Hello guys, if you want to learn Microsoft Azure in 2025 and looking for the best resources like online courses, books, tutorials, etc then you have come to the right place. Earlier, I have shared the best cloud computing courses and best free Azure courses but many of you asked for more comprehensive and in-depth Azure courses and here we are with the list of the 5 best Microsoft Azure courses in 2025. Microsoft Azure is, as the name implies, Microsoft's answer to Google Cloud Platform and Amazon Web Services. What that means is that it provides a wide range of cloud services like computing, storage, analytics, and networking all under one umbrella.
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Hello folks, if you are looking for the best Coursera courses, certifications, and specialization to start your career in IT or make a career switch, you have come to the right place. Coursera is one of the leading online portals and brings the best learning material, courses, and certifications from the world's' top universities like the University of Michigan and top companies like Google, IBM, and Amazon. Learning on Coursera is a great way to learn in-demand tech skills and recognition and certification to showcase them to recruiters and companies looking to hire.
Top 7 Courses to Learn Design Patterns in Java for Experienced Programmers in 2025 - Best of Lot
Hello Java programmers, if you want to learn Design patterns in 2025 and looking
for the best resources like books, tutorials, and online courses then you have
come to the right place. Earlier, I have shared the
best design pattern books,
interview questions, and design pattern tutorials and in this article, I am going to share the
best design pattern courses for Java developers. A design pattern is the tried
and tested solution of classical software problems which is common during
software development. Knowing design pattern not only help you to solve those
problems quickly but also encouraged you to use tried and tested solution, thus
overall improving the quality of the software application you are
building.
Top 6 Courses to Learn Neural Networks and Deep Learning in 2025 - Best of Lot
Hello folks, if you are looking for the best online courses to learn Deep
Learning and Neural networks in 2025 then you have come to the right
place. In the past, I have shared the best Data Science courses, best Data Science websites,
and
best Machine Learning courses, and in this article, I am going to share the best online courses to learn
Data Science and Machine Learning for Beginners. I have hoped a lot of online
platforms and websites to find deep learning courses which not only cover
essential concepts but also cover them in a way that can be easily understood,
but most of the courses fall short of it.
10 Books and Courses to Prepare Technical Programming/Coding Job Interviews in 2025
If you are preparing for a technical interview in the software development sector and looking for some great books to boost your preparation, then you have come to the right place. In the past, I have hared some of the best online courses to prepare coding interviews. In this article, I am going to share some of the best programming/coding interview books to prepare well for any software development jobs. These books are enough to crack even the toughest of the job interviews at Google, Amazon, or Microsoft. They provide excellent coverage of all essential topics for programming job interviews like data structure and algorithms, system design, algorithm design, computer science fundamentals, SQL, Linux, Java, Networking, etc.
How to Reverse words in String Java? [Solution]
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[Solved] How to remove duplicate elements from Array in Java? Example
This is one of the common technical interview questions which are asked to entry-level programmers and software engineers. There are also a lot of variants of how do you remove duplicates from an array in Java, like sometimes the array is sorted, and other times it's not sorted or unsorted. Sometimes, the Interviewer just spends more than half of the interview on this question by progressively making it more difficult by imposing new constraints like removing duplicate elements in place or without using any additional data structure, etc.
[Solved] How to Print Alphabets in Upper and Lower Case in Java? Example Tutorial
Hello guys, if you are learning Java and looking for basic programming exercise to build your concepts then you have come to the right place. Earlier, I have shared 15 common Java programming exercises and today, you will learn one of them. One of the textbook exercises to get started with any programming language is writing a program to print alphabets in both upper and lower case. This program allows you to explore the String class in Java with the toUpperCase() and toLowerCase() method but normally when you start, it's asked to do this without any API methods.
How to swap two Integers without using a temporary variable in Java? [Solution]
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How to Print Floyd's Triangle in Java - Example Tutorial
Hello guys, In the last article, I have taught you how to print Pascal's triangle and in today's article, I'll teach you how to print Floyd's triangle in the Java program. Floyd's triangle is easier to print than Pascal's triangle because you don't need to take care of formatting the numbers as Floyd's triangle is a right-angle triangle. It is named after American computer scientist Robert Floyd, who has also contributed Floyd–Warshall algorithm, which efficiently finds all shortest paths in a graph, and Floyd's cycle-finding algorithm for detecting cycles in a sequence.
Matrix Multiplication in Java using Scanner, Class, and Function [Example]
Hello guys, if you are looking for a matrix multiplication example in Java using the scanner for user input, and using class and object-oriented programming then you have come to the right place. In this Java tutorial, I will show you how to multiply matrix in Java using an array, scanner, and object-oriented programming. We will create a class to represent matrix and then define a multiplication method to multiply two matrices in Java. I first learned about matrix in class 12th and I first wrote the program to multiply two matrices on my first semester of engineering, so, when I thought about this program, It brings a lot of memories from the past.
How to check is given String is a Palindrome in Java using Recursion
In this tutorial, you will learn how to check if a string is a palindrome in Java using Recursion. A String is nothing but a collection of characters like "Java," and String literals are encoded in double-quotes in Java. A String is said to be a palindrome if the reverse of String is equal to itself like "aba" is a palindrome because the opposite of "aba" is also "aba", but "abc" is not a palindrome because the reverse of "abc" is "cba" which is not equal. Recursion means solving a problem by writing a function which calls itself. In order to check if String is a palindrome in Java, we need a function that can reverse the String.
How to Reverse String in Java with or without StringBuffer Example
Reverse String in Java
There are many ways to reverse a given String in Java. For example, you can use rich Java API to quickly reverse the contents of any String object. Java library provides StringBuffer and StringBuilder class with the reverse() method which can be used to reverse String in Java. Since converting between String and StringBuffer or StringBuilder is very easy it's the easiest way available to reverse String in Java. But, in a coding interview, you may not be allowed to use the JDK API methods to solve this problem. That's why, writing a Java program to reverse String in Java without StringBuffer is one of the popular Java String interview questions, which requires you to reverse String by applying logic and by not using API methods.
How to Remove all adjacent duplicates characters from String in java? Example Tutorial
Hello guys, if you are wondering how to remove adjacent repeated characters or
duplicates from a given String in Java then you have come to the right place. In
the last article, we have seen
how to find duplicate characters
as well as
how to remove duplicate characters from String in Java, and in this article, we will take that topic to another level and remove
adjacent duplicates from given String. This topic gives another perspective to
removing duplicates in a word or phrase. Probably before now, you are familiar
with removing duplicates from a word or phrase, or number. But this topic gives
a detailed understanding of how to remove adjacent duplicates.
How to Perform Binary Tree InOrder traversal in Java using Recursion? Example Tutorial
The InOrder traversal is one of the three popular ways to traverse a binary tree data structure, the other two being the preOrder and postOrder. During the in-order traversal algorithm, the left subtree is explored first, followed by root, and finally nodes on the right subtree. You start traversal from root then go to the left node, then again go to the left node until you reach a leaf node. At that point in time, you print the value of the node or mark it visited and move to the right subtree. Continuing the same algorithm until all nodes of the binary tree are visited. The InOrder traversal is also known as the left-node-right or left-root-right traversal or LNR traversal algorithm.
How to Find Square Root of a Number in Java [Solved] - Example Tutorial
Java program for a square root or a number in Java
How to write a Java program to find the square root of a number is a common Java programming exercise that many institutes use in their Java course along with Java program to print Fibonacci series and How to find Armstrong numbers in Java, which we have seen earlier. Java program for the square root is also a popular question during college semester exams and various programming tests.
How to write a Java program to find the square root of a number is a common Java programming exercise that many institutes use in their Java course along with Java program to print Fibonacci series and How to find Armstrong numbers in Java, which we have seen earlier. Java program for the square root is also a popular question during college semester exams and various programming tests.
How to implement Binary Tree PreOrder Traversal in Java without Recursion? [Solved] Example Tutorial
This is my second article on how to implement binary tree pre-order traversal in Java. In the first part, I have shown how to traverse a binary tree with a pre-order traversal algorithm using Recursion, and in this article, you will learn how to implement pre-order traversal without using Recursion. You might be thinking that why do you need to learn the iterative solution if a recursive solution is possible and easy to write? Well, this type of question is mostly asked in Programming Job interviews and Interviewers like to see how comfortable a candidate is with both Recursion as well as using other data structures and iteration.
[Solved] 3 Examples to reverse an Array in Java - Example Tutorial
Hello guys, today we are going to see another common coding question from interviews - how do you reverse an array in Java? This is a popular array-based coding problem and often asked programmers during the first few rounds of interviews to check if they can code or not. Well, there are multiple ways to solve this problem and we will see three common ways to ever an array in Java. This method applies to all kinds of arrays like string array or integer array or even with arrays of objects because it's not focused on data types. The first way to reverse an array is by reversing it in a brute force way, without using any additional data structure or library method.
How to Find Even and Odd Number in Java - Program Tutorial Example
Even and Odd number check Java Example
There are many ways to find if a number is even or odd in Java but before moving into technical details on finding even and odd numbers in Java let's what is even and odd numbers in terms of Mathematics. Any number which is completely divisible by 2 is called an even number while a number that is not completely divisible by 2 is called an odd number. If you think in terms of remainder then in the case of even number, the remainder is zero while in the case of odd number remainder will be 1. zero is considered as an even number in maths.
How to Count number of 1s (Set Bits) in a binary number in Java [Solved]
Good morning folks, In today's article, we are going to discuss one of the frequently asked bit manipulation-based interview questions, how do you count the number of set bits in a given bit sequence? Bit Manipulation is an important topic in programming interviews and a good programmer should have sufficient knowledge and skill to work with binary numbers. This kind of question tests the skill of the programmer. Sometimes, it is also asked as to how to count the number of 1s (ones) in a given number? Both are the same question because 1 is also known as set bit. For example, if the given input is 1000110010 then your program should return 4, as three are only four set bits in this bit sequence.
How to Print Pyramid Pattern in Java? Program Example
Pattern based exercises are a good way to learn nested loops in Java. There are many pattern based exercises and one of them is printing Pyramid structure as shown below:
*
* *
* * *
* * * *
* * * * *
You need to write a Java program to print the above pyramid pattern. How many levels the pyramid triangle would have will be decided by the user input. You can print this kind of pattern by using print() and println() method from System.out object. System.out.print() just prints the String or character you passed to it, without adding a new line, useful to print stars in the same line.
*
* *
* * *
* * * *
* * * * *
You need to write a Java program to print the above pyramid pattern. How many levels the pyramid triangle would have will be decided by the user input. You can print this kind of pattern by using print() and println() method from System.out object. System.out.print() just prints the String or character you passed to it, without adding a new line, useful to print stars in the same line.
Top 5 Courses to learn UML for Software Design and Development in 2025 - Best of Lot
Hello friends, we are here again today for another exciting topic to discuss. But, today we are not gonna discuss something which is related to Java or any other language or spring boot. Today we are gonna discuss something which is immensely practical and very important skill if you want to grow as programmer and become a tech lead or Software architecture. Yes, you guessed it right, today we are going to talk about UML (Unified Modeling Language). Modeling is a process to communicate your design which is in your mind to other people in your team like developers, architect via diagram. This is one of the most important skill if you want to become Software architect in 2025.
My Favorite Courses to learn React.js in Depth in 2025 - Best of Lot
Hello guys, if you want to learn React.js in 2025 and looking for the best resources like books, online courses, tutorials, and guides, then you have come to the right place. In the past, I have shared the best free React.js courses, best React books, websites, projects, and even a complete React.js Developer RoadMap and in this article, I am going to share the best online courses to learn React.js in 2025. You've come to the correct spot if you're a web developer or someone who is passionate about web development and want to learn React or React JS, a popular JavaScript framework for developing a component-based user interface.
Top 10 Free Git Courses for Programmers and DevOps in 2025 - Best of Lot
Hello guys, there is no doubt that Git is one of the most essential tool and skill for every programmer and Software developer. Gone are the days where different companies uses different version control like SVN, CVS, or TFS, now almost every company uses Git which has become the standard source repository and version control tool. That's why its important for every programmer to learn Git and it's not that easy. Git is a distributed version control system and there are things like remote repository, local repository, commit, pull, push, fetch, rebase, merge etc which can be confusing to many programmers and that's why I am going to share best free Git courses you can join to learn Git in 2025.
Top 5 Free Coursera Courses for SQL and Database in 2025 - Best of Lot [UPDATED]
Hello guys, if you want to learn SQL and Database and looking for best free resources like books, online courses and websites then you have come tot he right place. Earlier, I have shared best SQL courses, SQL books, and best websites to learn SQL and in this article, I am going to share best free SQL courses from Coursera, one of the best place to learn technical skill from world's top university and companies online. While many people are familiar with Coursera courses and certifications then don't know that most of the Coursera courses can be taken for free-to-audit where you can watch them for free without enrolling on specialization or professional certification. Only thing is you don't have access to quizzes and exercise sand you don't get certificate but you can still learn from worlds' top trainers and instructors.
Top 6 Online Courses to Learn CSS, Flexbox, Grid, and Sass in 2025 - Best of Lot
Hello guys, Along with HTML and JavaScript, CSS is one of the core technologies of the World Wide Web (WWW) and critical skills for anyone who wants to start their career in web design and web development. No website in the modern world is complete without CSS, and it is safe to say, no one can become a complete web developer without CSS. If you want to learn advanced CSS concepts like Flexbox, Grid, and SaaS and looking for the best online courses, then you have come to the right place. In the past, I have shared some free courses to learn CSS basics and Bootstrap, one of the most popular CSS frameworks for styling web pages, and today I will share advanced CSS courses to learn Flexbox and Grid.
10 Best Coursera Web Development Courses and Projects for Beginners in 2025
Hello guys, if you are looking for the best web development courses and projects on Coursera to join in 2025, you have come to the right place. Earlier, I have shared the best Coursera courses to learn about Cloud Computing, Software Development, and Data Science. Today, I will share the best Coursera courses and projects one can join to learn Full-stack Development and essential web development skills to become a professional web developer in 2025. The best thing about these Coursera courses and projects is that you can join them with Coursera Plus, which means you don't need to buy them individually. If you have a Coursera Plus subscription, you can enter all these courses without extra cost.
Top 20 Machine Learning Libraries for AI Engineers in 2025 - Best of Lot
Artificial Intelligence (AI) has emerged as a transformative technology, revolutionizing various industries and driving innovation. With the increasing accessibility of AI, numerous free tools have become available, enabling individuals and businesses to explore and leverage AI capabilities. In this article, we present the top 20 free Machine Learning libraries to try in 2025. These tools cover a wide range of AI applications, including machine learning, natural language processing, computer vision, and more. Let's dive into the exciting world of AI tools and discover how they can empower innovation and automation.
Top10 Platforms for Freelance Writing and Earning Money in 2025 - Best of Lot
Are you a writer looking to make some extra cash on the side? Or are you a full-time freelance writer looking for new platforms to expand your portfolio and find more clients? Look no further! Here are 10 platforms that can help you earn money as a freelance writer. Freelance writing is a great way to earn money on the side or even as a full-time career. With the rise of the internet and the increasing demand for content, there are now many platforms that connect businesses with freelance writers.
In this article, we will introduce you to 10 platforms that can help you earn money as a freelance writer. Whether you are a beginner looking for your first writing gig or an experienced writer looking for new opportunities, these platforms have something to offer.
In this article, we will introduce you to 10 platforms that can help you earn money as a freelance writer. Whether you are a beginner looking for your first writing gig or an experienced writer looking for new opportunities, these platforms have something to offer.
How to call REST API an send HTTP GET and POST Request using cURL command in Linux? Example Tutorial
The curl or cURL command of Linux is a compelling and versatile command which allows you to send sophisticated HTTP requests right from your Linux command line window. You can use the cURL command to test your RESTful Web Services by sending GET and POST requests, doing authentication, saving a cookie in the file, etc. The curl command is, in fact, the go-to tool for many Java and Spring developers working in web applications and consuming data from the secured RESTful Web Services. Still, you can also use it to test your simple REST Web APIs without security. I have used it many times to check if our Web service is up or not, or is there any error while accessing those services.
Top 10 Courses to Learn Artificial Intelligence for Beginners in 2025 - Best of Lot
Artificial Intelligence (AI) is transforming industries and revolutionizing the way we live and work. To stay ahead in this rapidly evolving field, it is crucial to continually update your knowledge and skills. Fortunately, Udemy and Coursera offer a wide range of courses that provide comprehensive training in various aspects of AI. In this article, we have curated a list of the top 10 courses on Udemy and Coursera in 2025, each with an expansive description. We will also provide essential details such as course duration, instructor information, course fee, and course rating. Whether you are a beginner or an experienced professional, these courses will equip you with the necessary tools to excel in the field of AI.
How to Create Config Server in Microservices Architecture with Spring Cloud Config Server
The ability of microservices architecture to deconstruct big monolithic programmes into smaller, independent, and controllable services has led to its enormous growth in popularity in recent years. It can be difficult to manage configuration across numerous microservices, though, as each service may call for a separate set of configurations. To solve this problem, configurations for microservices are centralised and managed by a separate Config Server. In this post, we'll examine what a Config Server is, why it's crucial for microservices, and how to use Spring Cloud Config Server to construct it.
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Artificial Intelligence (AI) has revolutionized various industries, and the field of writing and blogging is no exception. AI-powered tools for bloggers and writers have emerged, offering innovative solutions to enhance creativity, streamline workflows, and improve content quality. In this article, we present the top 10 AI tools specifically designed for bloggers and writers. These tools leverage AI technologies such as natural language processing, machine learning, and data analytics to help writers generate ideas, improve grammar, enhance productivity, and optimize content for better engagement. Let's explore these cutting-edge AI tools and discover how they can empower bloggers and writers.
What is Payload in REST API? How to send Payload using HTTP Post Request and HttpClient
Hello and welcome to the blog post. In this comprehensive article we are going to take a look at an interesting topic. I’m sure you all are familiar with client-server architecture. If not let me recap it quickly for you.
A Client is a machine (or a web-browser) that request for desired results from the server. In other words, clients initiate requests for services or resources, while servers provide those services or resources upon request. The client-server model forms the foundation of many networked applications and systems, where clients and servers communicate and collaborate to fulfill various tasks and deliver services.
What is a Payload?
When a client sends a request to a server, the payload typically contains the data or parameters required by the server to process the request. For example, in a client-server architecture for a web application, the payload of an HTTP request sent by the client may include parameters for a form submission, JSON data for an API request, or a file to be uploaded.
On the server side, when the server sends a response back to the client, the payload contains the data or information requested by the client. This can include HTML content, JSON responses, file attachments, or any other data relevant to the specific request made by the client.
Payload in REST API
The information supplied in the body of an HTTP request is referred to as a payload in the RESTful API architecture. It represents the data that is being sent from the client to the server or the other way around. Depending on the content type supplied in the request headers, the payload may be in one of several forms, including JSON, XML, or plain text.
The payload carries the necessary data required to perform operations on the server or to retrieve specific resources. For example, when creating a new resource, the payload would typically contain the data that needs to be stored on the server. When updating an existing resource, the payload would include the modified data.
What is an HttpClient?
HttpClient is a powerful Java package that offers quick and efficient way for submitting HTTP requests and receiving server responses. Starting with Java 11, it is a part of the Java SE standard library and offers a comprehensive API for interacting with HTTP-based services.
HttpClient's main objective is to make it easier for client applications to communicate with RESTful APIs, web services, and other HTTP-based endpoints. The low-level aspects of creating and managing connections, dealing with request and response bodies, modifying headers, controlling timeouts, and dealing with redirection are abstracted away.
You can perform various HTTP operations like GET, POST, PUT, DELETE by using HttpClient. It supports both synchronous and asynchronous request processing and offers a number of configuration options for customization.
Let’s take an example on how to send a POST request to REST API using HttpClient
import com.fasterxml.jackson.databind.ObjectMapper;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.http.HttpHeaders;
import java.net.http.HttpResponse.BodyHandlers;
public class HttpClientExample {
public static void main(String[] args) throws Exception {
// Create an instance of HttpClient
HttpClient httpClient = HttpClient.newHttpClient();
// Define the URL of the REST API endpoint
String url = "http://api.example.com/users";
// Create a User object
User user = new User("John Doe", 30);
// Serialize the User object to JSON
ObjectMapper objectMapper = new ObjectMapper();
String requestBody = objectMapper.writeValueAsString(user);
// Build the HTTP request
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create(url))
.header("Content-Type", "application/json")
.POST(HttpRequest.BodyPublishers.ofString(requestBody))
.build();
// Send the request and receive the response
HttpResponse<String> response = httpClient.send(request, BodyHandlers.ofString());
// Extract the User object from the response
String responseBody = response.body();
User responseUser = objectMapper.readValue(responseBody, User.class);
// Print the response User object
System.out.println("Response User: " + responseUser);
}
}
class User {
private String name;
private int age;
// Constructors, getters, and setters
@Override
public String toString() {
return "User{" +
"name='" + name + '\'' +
", age=" + age +
'}';
}
}
In this example, we have a User class representing the user object. We use the ObjectMapper from the Jackson library to serialize the User object to JSON format.
We then create an HttpRequest object with the necessary details, including the URI, headers (in this case, "Content-Type" is set to "application/json"), and the request body containing the serialized User object.
After sending the request using httpClient.send(), we receive the response as an HttpResponse object. We extract the response body as a JSON string.
Finally, we deserialize the response JSON string back into a User object using objectMapper.readValue(). The resulting User object represents the response payload, which we can use as needed.
Sending Payload to REST API using HTTP POST Request and HttpClient in Java
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.http.HttpHeaders;
import java.net.http.HttpEntity;
import java.net.http.HttpHeaders;
import java.net.http.HttpRequest.BodyPublishers;
import java.net.http.HttpResponse.BodyHandlers;
public class HttpClientExample {
public static void main(String[] args) throws Exception {
HttpClient httpClient = HttpClient.newHttpClient();
String jsonPayload = "{\"name\": \"Someone \", \"email\": \"someone@example.com\"}";
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("http://example.com/api/resource"))
.header("Content-Type", "application/json")
.POST(BodyPublishers.ofString(jsonPayload))
.build();
HttpResponse<String> response = httpClient.send(request, BodyHandlers.ofString());
int statusCode = response.statusCode();
String responseBody = response.body();
System.out.println("Status Code: " + statusCode);
System.out.println("Response Body: " + responseBody);
}
}
In the example above, we create a JSON payload using a sample data object. We set the HTTP method to POST, the request URL to "http://example.com/api/resource", and the content type to "application/json". The payload is then sent in the body of the request using the BodyPublishers.ofString() method.
Finally, we retrieve and handle the response from the server.
Remember to replace "http://example.com/api/resource" with the actual endpoint URL of the REST API you want to send the payload to, and modify the payload data according to your requirements and the API's expected format.
Let me show you how to send other types of payloads from the following example.
1) Sending a Form-UrlEncoded Payload
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.http.HttpHeaders;
import java.net.http.HttpEntity;
import java.net.http.HttpHeaders;
import java.net.http.HttpRequest.BodyPublishers;
import java.net.http.HttpResponse.BodyHandlers;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
public class HttpClientExample {
public static void main(String[] args) throws Exception {
HttpClient httpClient = HttpClient.newHttpClient();
String payload = "name=" + URLEncoder.encode("John Doe", StandardCharsets.UTF_8)
+ "&email=" + URLEncoder.encode("johndoe@example.com", StandardCharsets.UTF_8);
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("http://example.com/api/resource"))
.header("Content-Type", "application/x-www-form-urlencoded")
.POST(BodyPublishers.ofString(payload))
.build();
HttpResponse<String> response = httpClient.send(request, BodyHandlers.ofString());
int statusCode = response.statusCode();
String responseBody = response.body();
System.out.println("Status Code: " + statusCode);
System.out.println("Response Body: " + responseBody);
}
}
In this example, we are sending a form-urlencoded payload to the REST API endpoint "http://example.com/api/resource". The payload contains two fields, name and email, which are URL-encoded using the URLEncoder.encode() method. The Content-Type header is set to "application/x-www-form-urlencoded".
2) Sending a Plain Text Payload
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.http.HttpHeaders;
import java.net.http.HttpEntity;
import java.net.http.HttpHeaders;
import java.net.http.HttpRequest.BodyPublishers;
import java.net.http.HttpResponse.BodyHandlers;
public class HttpClientExample {
public static void main(String[] args) throws Exception {
HttpClient httpClient = HttpClient.newHttpClient();
String textPayload = "This is a plain text payload.";
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create("http://example.com/api/resource"))
.header("Content-Type", "text/plain")
.POST(BodyPublishers.ofString(textPayload))
.build();
HttpResponse<String> response = httpClient.send(request, BodyHandlers.ofString());
int statusCode = response.statusCode();
String responseBody = response.body();
System.out.println("Status Code: " + statusCode);
System.out.println("Response Body: " + responseBody);
}
}
In this example, we are sending a plain text payload to the REST API endpoint "http://example.com/api/resource". The payload simply contains the text "This is a plain text payload." The Content-Type header is set to "text/plain" to indicate that the payload is in plain text format.
Summary
In summary, sending a payload to a REST API using an HTTP POST request and HttpClient in Java involves creating an HTTP request with the desired payload, specifying the necessary headers, and sending the request using the HttpClient instance. The server will process the payload and provide a response, which can be accessed and utilized accordingly.
20 Examples of Git Commands in Linux and Windows
Version control is crucial in software development, and Git stands out as a powerful tool for managing source code. Whether you're working in a Linux or Windows environment, understanding Git commands is essential. This article explores 20 fundamental Git commands, demonstrating their application and significance. From initializing a repository to handling branches and commits, each command plays a pivotal role in maintaining a well-organized and collaborative development workflow. Whether you're a seasoned developer or a newcomer, mastering these Git commands will enhance your ability to track changes, collaborate seamlessly, and contribute effectively to software projects.
Is Frontend Master Worth It?
Frontend development has been growing rapidly in the last few years, as web applications have become more complex and interactive. Frontend Master is an online platform that provides courses and tutorials to learn front-end development. However, with so many resources available on the internet, it's difficult to know whether Frontend Master is worth investing your time and money. In this article, we'll take a closer look at what Frontend Master has to offer and whether it's worth the investment.
5 Free Oracle and Microsoft SQL Server Online Courses [2025] - Best of lot
If you are an application developer, like someone developing a server-side application using Java or .NET or any other programming language which uses a database like Oracle and Microsoft SQL Server or a junior DBA, then you must learn these database technologies to effectively work in your Job. Even though your organization might have DBAs or Database Administrators to help you with the database, more often than not, it's application developers who end up writing SQL scripts to create data, upload data, query data, and writing complex stored procedures and triggers to implement application functionalities. DBAs job mostly does database installation, access control, security, and other database admin stuff.
Top 5 Free Servlet, JSP, Java FX, and JDBC Courses for Java Web Developers in 2025 - Best of Lot
If you are a Java developer working on a Java JEE projects like a Java Web application running on Tomcat or Glassfish, or you want to get into that by learning server-side technologies like Servlet, JSP, and JDBC, then you have come to the right place. In this article, I will share some free online courses to learn Servlet, JSP, and JDBC at your own pace. If you want to become a rockstar Java web developer, then you must have a good understanding of these essential web technologies before you learn frameworks like Spring and Hibernate. These frameworks work on top of these basic technologies, and if you don't know them, then you would often struggle to debug and troubleshoot problems in the real world.
Top 6 Dynamic Programming Online Courses for Coding Interviews in 2025 - Best of Lot
Hello guys, if you are preparing for a coding interview but struggling to solve Dynamic programing based coding problems and looking for the best resource to improve your Dynamic programming skill then you have come to the right place. Earlier, I have shared the best coding interview courses and best Recursion courses, as well as popular Dynamic programming problems from interviews, and today I am going to share the best online courses to learn Dynamic programming in depth. Dynamic programming simply means that plain recursion can be optimized when there are repeated calls for some inputs.
5 Free Online Courses to Learn Kotlin in 2025 - Best of Lot
Hello guys, If you are in Android application development or server-side Java development, then you might have heard about the Kotlin programming language, created by JetBrains, the company behind popular IDEs like IntelliJIDEA, PyCharm, and WebStorm. Kotlin is also Google's official language for developing Android apps. If you don't know what Kotlin is and why you should learn Kotlin, then let me tell you that Kotlin is a mature programming language that offers many benefits over traditional programming languages like Java which has been time-tested over the last 25 years. Kotlin is designed to solve pain points of Java programming language like verbose nature and boilerplate.
Top 6 Free Courses to Learn Bootstrap Online for Beginners in 2025 - Best of Lot
Bootstrap is one of the most popular front-end libraries, which provides a customizable HTML, CSS, and JavaScript template for creating a modern and responsive website. All the beautiful websites you see these days with large fonts and slick form fields are built using Bootstrap. If you want to learn Bootstrap and looking for some excellent online courses, then you have come to the right place. In the past, I have shared advanced CSS courses to learn Flexbox, Grid, and SaaS, and in this article, I will share some of the excellent Bootstrap courses, which are also free, and you can use them to kick-start your journey with the Bootstrap framework. If you are interested in modern web development, this is the framework you must learn this year.
6 Best Free AZ-900 Azure Fundamentals Courses for Beginners to Learn Online in 2025
Hello guys, if you are preparing for the AZ-900 certification or Azure Fundamentals exam in 2025, one of the best certifications to start a cloud computing career, and looking for free online courses to start your preparation, then you have come to the right place. In the past, I have shared both free and paid courses to learn AWS, Azure, and Google Cloud and the best AZ-900 courses and practice tests, and today, I am going to share the best free AZ-900 courses to pass the Azure Fundamentals exam. If you are thinking of learning Cloud Computing and Microsoft Azure platform, this is the best cloud certification.
Top 5 Solidity courses for Beginners to Learn in 2025 - Best of Lot
Hello friends, we are here again today for another exciting topic to discuss. But, today, we are not gonna discuss something related to Java or any other language or spring boot. Today we are gonna discuss something which is immensely practical and has the potential to land you very high paying jobs. Today, we are going to take a look at the best available Solidity courses online.
Top 10 NFT, Metaverse, and Web3 Courses on Udemy for Beginners in 2025 - Best of Lot
Hello guys, if you want to learn NFT, Metaverse, and Web3, three future technologies and looking for best online courses then you have come to the right place. Earlier, I have shared best free NFT courses and in this article, I am going to share best NFT courses on Udemy as well best online courses to learn Metaverse and Web3 from Udemy. But, Before I give you a list of the 10 best courses that will teach you everything you need to know about NFTs and Metaverse, let me tell you a little bit about what web3 is and why people are talking about it.
Why Programmers and Developers Should Learn Docker in 2025?
Hello guys, I have been asking my readers to learn Docker since last year. Why have I been doing this? Because Docker is not just another tool, it's a game-changer, and I firmly believe that every Programmer, be it a Java developer, a C++ developer, or a Web Developer coding in JavaScript, all should learn Docker. The first and foremost reason is that Docker simplifies both the development and Deployment of Software projects, for example, you can deploy a Java Microservice in the same way as a node application once you wrap them in a container. Just like Maven made it easy to maintain project dependencies, Docker takes it to another level by building applications and shipping them into containers.
12 Must Read Advance Java Books for Intermediate Programmers - Part 1
I often receive loads of email about Java books and courses recommendations, something like, I have 2 years of experience in Java and Spring, which Java books should I read to become an expert Java programmer, or I have 5 years of experience in core Java and want to become a Java expert, which books or courses should I refer? These are just some of the examples, but most of the requests are like that. It's interesting that most of the email I receive is not from beginners, I mean those who want to learn Java from scratch, but, from Java developers who have 2 to 3 years of experience. I call them Intermediate Java programmers because they are in the state of their career where they know how to program in Java, but they are not experts yet.
Top 10 Oracle Database and PL/SQL Courses for Beginners in 2025 - Best of Lot [UPDATED]
Hello folks, if you are learning Oracle database and want to learn PL/SQL programming language and looking for the best resources like books, online courses, tutorials and articles then you have come to the right place. In the past, I have shared the best free SQL and database courses, PL/SQL books, and a few free Oracle courses, and this article will introduce you to the Oracle SQL database and how they work as well as the PL language and how you can use its commands to interact with the oracle SQL database in 2025.
Top 5 Courses to Learn Smart Contract for Beginners in 2025 - Best of Lot
Hello friends, if you want to learn Blockchain and Smart Contracts and looking for best online resources like books and courses then you have come to the right place. Earlier, I have shared best online courses to learn Blockchain, best Ethereum courses, and best NFT courses and today, I will share best online courses to learn Smart contracts in 2025. The list includes best smart contract courses from Udemy and Coursera and suitable for both beginners and experienced developers and IT professionals. Today we are gonna discuss something which is immensely practical and has the potential to land you very high paying jobs. Today we are gonna take a look at the best available smart contract courses online.
Top 5 Courses to Learn Data Analytics in 2025 - Best of Lot
Hello guys, if you want to learn Data Analytics and looking for best online courses and tutorials then you have come to the right place. In the past I have shared best Data Science Courses and things a Data Scientist should learn and in this article, I am going to share best online courses to learn Data Analytics. The list includes best Data Analytics courses from Udemy, Coursera, Pluralsight, and other popular online learning platform. They are taught by experts and they are also the most comprehensive and up-to-date resources to learn Data Analytics in 2025.
10 Best Udemy Courses of Colt Steele for Web Developers in 2025
Before we get to the 10 best Udemy courses of Colt Steele, let me tell you who the man really is. Colt Steele is one of the most popular and highly-rated instructors on the Udemy platform. He is also a highly-decorated professional developer with a serious love for teaching. Colt Steele has spent the last few years teaching normal people to program at two different impressive boot camps. He has helped hundreds of people become professional software developers and change their lives. His students now work in companies like Google, Salesforce, and Square. Impressive, right?
10 Best Udemy Courses of Tim Buchalaka for Java and Python Programmers in 2025
Hello guys if you are looking for best Udemy courses for Java developers, mostly from Tim Buchalaka then you have come to the right place. For those of you who don't know, Tim Buchalaka is a highly-experienced software developer. During his long glittering career, he has worked for a lot of major companies like Fujitsu, Mitsubishi, and Saab. Tim Buchalaka's amazing video lectures have been used to train software developers in major companies like Mercedes-Benz, PayPal, VW, Pitney Bowers, IBM, and T-Mobile. What sets Tim apart from loads of other instructors is the fact that most of those instructors have never been professional programmers. They also cannot boast about a distinguished professional development career like him.
10 Best Udemy Courses Of Rob Percival to Learn Python, JavaScript and Tech skills in 2025
Helo guys, if you are looking for best online courses by Rob Percvial, one of
the Udemy's top instructor to learn web development, Python, JavaScript, and
Node.js then you have come to the right place. In the past, I have shared best
online courses by
Jose Portilla,
Stephen Grider, Maximillian SchwarzMuller,
Stephane Maarek
and
Brad Traversy
and in this article, I am going to share best online course by Ro Percival, one
of the top Udemy instructor and my favorite. But, before we start with the 10
best Udemy courses from Rob Percival, let me tell you who Rob is.
Top 5 courses for Google Cloud Professional Network Engineer Certification in 2025
Networking is an essential aspect of any cloud platform. The individual responsible for handling the networks should have a proper understanding of networking fundamentals as well as enough experience in networking. The cloud network
engineer at Google is responsible for implementing and managing the network architectures of the platform. The professionals should have hands-on experience of working with the Google cloud platform for at least one year.
Top 5 Courses To Learn ASP .NET Framework for Beginners 2025 - Best of Lot
Hello guys, if you want to learn the .NET framework and platform and looking for the best resources like books, online courses, and tutorials then you have come to the right place. Earlier, I have shared the best free C-Sharp courses and in this article, I am going to share the best online courses to learn .NET for Beginners. If you don't know, .NET is the second most popular platform for application development after Java, and it's used widely across domains including investment banks. These are truly the best resources to learn and master .NET in 2025.
Top 5 Courses to Learn Perl Scripting in 2025 - Best of Lot
Hello everyone, today I'm going to talk about Perl, a very strong text processing programming language. While writing a Perl script to create a report from log files ten years ago, I first encountered Perl. At the time, I knew that Perl was unrivaled when it came to string and text processing. It has a number of helpful data structures and facilities, making loading data from files and processing data easier than with any other programming language. Knowing a programming language like Python or Perl may tremendously help a senior developer because scripting is such a vital skill.
Top 10 CodeCademy Courses to Learn Tech Skills for Beginners in 2025 - Best of Lot
If your work is in any way related to coding or technology, you would surely know what CodeCademy is. But for those of you who don't know, it is an online platform that teaches a wide range of programming languages like JavaScript, Python, and SQL. There are also career paths based on computer science, machine learning, data science, and developer tools. CodeCademy was founded in 2011 by Zach Sims and Ryan Bubinski and started as an online coding platform with both free as well as paid plans. Since then, it has grown considerably and right now offers courses based on 14 different programming languages. There are also courses on a wide range of libraries and frameworks.
Top 5 MATLAB courses for Beginners in 2025 - Best of Lot
Before we get to the best courses that can teach you MATLAB, let me tell you what it exactly is. MATLAB is a high-performance programming language used for technical computing. MATLAB is a programming language that integrates computation, visualization, and programming into one package. It also has an easy-to-understand environment that provides solutions in mathematical notations. MATLAB has a wide variety of uses, including, math and computation, modeling, simulation, and prototyping, scientific and engineering graphics, algorithm development, data analysis and visualization, and application development. In the most simple terms, MATLAB is an interactive system with an array as the basic data element.
Top 6 Online Course to Learn React.js with Hooks Beginners in 2025 - Best of Lot
Hello guys, if you want to learn React hooks and looking for the best React
hooks courses then you cha come to the right place. Earlier, I have shared
free React courses,
books, and
websites to learn and master React.js, and today, I am going to share the best React
Hooks courses to deep dive and learn hooks in depth. React is a revolutionary
front-end JavaScript library. It is free. Open-source and can be used for
building user interfaces and other UI components. Most software developers use
React as a base for developing mobile applications.
Top 5 Courses to learn Haskell Programming for Beginners in 2025 - Best of Lot
Hello friends! Today we are gonna review some of the best courses available for learning Haskell. So, are you guys wondering what is Haskell or where is it used. Do not worry, let's have a brief point on that. Haskell is a language of programming that is solely functional. It's a general-purpose, statically typed language. In Haskell, all programs are expressed as mathematical operations with no side effects. It is mostly utilized in academics and research. You all must be wondering what does a Haskell developer gets in compensation and how's the demand. Remember that candidates for this position can expect to earn anywhere from $140,000 to $190,000, with a median pay of $170,000. And of course, that's just the beginning.
Top 5 PowerPoint Courses for IT Professionals in 2025 - Best of Lot
Creating appealing graphics is an important part of giving a successful presentation. You need to deliver images that are clear and easy to grasp whether you're working on a new or old project. Beautiful visuals should be used in your presentation to keep your audience interested. That is why taking online classes on Microsoft Power Point is so important for improving your abilities. Microsoft PowerPoint is a widely used presentation software developed by Microsoft as part of the Microsoft Office suite. It allows users to create, edit, and display visually engaging slideshows that can incorporate text, images, graphics, animations, and multimedia elements.
Top 5 Online Courses to Learn Express.js in 2025 - Best of Lot
Hello guys, if you want to learn Express.js and looking for the best online courses then you have come to the right place. Earlier, I have shred best web development courses and mentioned Express.js, now of the leading backend node.js frameworks for JavaScript developers. In this article, I am going to share the best online courses to learn Express.js in 2025. But, before that, let's try to understand what is Express.js and are benefits of using Express.js for backend development in JavaScript. In the simplest of terms, Express is a flexible Node.js web application framework that has a robust set of features that can be used to develop web and mobile applications. It also facilitates the rapid development of Node-based web applications.
5 Best DP-900 Certification Courses and Practice Test for Azure Data Fundamentals Exam in 2025
The DP-900 certification, also known as the Microsoft Azure Data Fundamentals Certification, is perfect for people who are just starting to work with data on the cloud. This certification will help you build foundational knowledge in cloud data services with Microsoft Azure. Taking the DP-900 certification exam will have many benefits. It will give you a broad overview of how data works in the cloud. It will also help you test your knowledge of cloud data within the ambit of Microsoft Azure services.
6 React.js Performance Tips Every Web Developer Should Learn
Hello guys, if you are working in a React.js application and looking for best tips to improve performance of your react application then you have come to the right place. Performance is one of the biggest reasons why React.js has gained immense popularity in the last five years. React uses virtual DOM to boost performance. Though React does what it has to do to increase the performance behind the scenes, the developer has to ensure a top-quality user experience. In this article, we will discuss some of the ways which can be used to optimize the performance of a React application.
Top 5 Programming languages for Backend development in 2025
Hello folks, if you are wondering what are the best programming language for backend development then you have come to the right place. Earlier, I have shared the best programming languages for beginners and today, I am going to share best programming language for backend development. My choices are based upon my own experience as well as what I have seen in job markets and other companies. To end the suspense, Java is the best programming language for backend development. It is used by both big and small companies for creating solid and scalable backend which can withstand high volume.
Top 20 Mathematics and Statistics Interview Questions and Answers
Hello guys, if you are preparing for Data Engineer or Data Scientist Interview then you must prepare for Mathematics and Statistics questions, and if you are looking for Maths and Statistics questions then you have come to the right place. In the past, I have shared multiple Data Science Interview Questions and Machine Learning Interview questions and in this article, I am going to share 20 Mathematics and Statistics questions which you can prepare for interview. If you have used Statistics and Maths recently then you are most likely to answer these questions but if you are not you can always join these Maths and Statistics courses to learn more about them and refresh you knowledge before interviews.
Difference between Chef and Ansible in DevOps
Hello guys, Ansible and Chef are two popular configuration management tool which are very important in this world of DevOps. What is difference between Ansible, Chef, and Puppet is also a common questions for DevOps and senior Java developer who are also responsible for setting their server and installing application. Earlier, I have shared best DevOps Courses and best online courses to learn Ansible and Chef and in this article, we will go through the difference between two widely recognized configurations management tools used by DevOps engineers i.e. Chef and Ansible.
7 Free 1Z0-803 and 1Z0-804 Sample Questions - OCAJP 7 and OCPJP 7 Mock Exams (Oracle Certified Associate Java SE 7 Programmer 1 and 2 )
In this article, I am going to share some OCAJP 7 or 1Z0-803 exam and OCPJP 7 or 1Z0-804 certification sample questions and mock exam for practice which are completely free and available online. The sample questions are not good enough for thorough practice but you can use these mock tests to get an idea of what to expect in the actual exam. Many of the free mock questions are actually the samples questions provided by professional certification exam simulator provided e.g. Whizlabs, Enthuware, MyExamCloud etc, which are samples of their full-length exam simulators.
Top 5 OCPJP7 books for 1Z0-804 and 1Z0-805 Exam - Java SE 7 II Certification
You may know that from Java SE 7 onwards, you need to pass two exams to become a certified Java developer e.g. OCAJP and OCPJP. The first one is an associate-level exam and it's rather easy to pass, but the second one OCPJP is a professional level exam and it's much harder than OCAJP. If you are giving the Oracle Java certification then you should know that you need to pass OCAJP before taking the OCPJP exam. This is also the second part of an article about books to prepare Java SE 7 certifications. In the first part, I have shared the best books for OCAJP7 and in this part, I am going to share the best books for the OCPJP7 exam.
When to use PUT or POST in a RESTful API and Web Service? Answer
Hello guys, if you are confused about whether to use PUT or POST for updating a resource using RESTful web service then you have come to the right place. In the past, I have shared the best RESTful web service books and courses and today, I am going to share some tips to choose between PUT and POST while designing your RESTful web services. Btw, you are not alone, one of the most common confusion among web developers is the choice of PUT or POST HTTP method for creating and updating a resource while developing RESTful Web Services. Since both can be used to submit data, you can use either POST or PUT to create or update a resource.
What is Backend for front-end Pattern? How to use it?
In the realm of microservices architecture, designing efficient communication between front-end applications and the back-end services is crucial. The Backend for Front-End (BFF) pattern has emerged as a useful architectural pattern to streamline this communication. In this article, we will delve into what the Backend for Front-End pattern is, its benefits, and how to effectively implement and utilize it in your microservices ecosystem.
What is Backend for front-end Pattern? How to use it?
The
Backend for Front-End pattern, also known as BFF, is an architectural
pattern that involves creating a specialized backend service for a
specific front-end application or client. The purpose of this pattern is
to decouple the front-end from the complexities and intricacies of the
backend services, providing tailored APIs that align with the needs of
the front-end.
By employing the BFF pattern,
you create an intermediary layer that acts as a bridge between the
front-end and the various backend services. This allows for improved
flexibility, enhanced user experience, and optimized performance.
How to Use the Backend for Front-End Pattern
Identify the Front-End Application
Start
by identifying the front-end application or client that will benefit
from the BFF pattern. It can be a web application, mobile application,
or any other consumer of the backend services.
Understand the Front-End Requirements
Work
closely with the front-end development team to understand the specific
requirements of the application. This includes the data and
functionality needed, performance considerations, and any other factors
that may impact the user experience.
Design the Backend for Front-End Service
Based
on the front-end requirements, design a specialized backend service
that acts as the BFF for the front-end application. This service will
serve as an intermediary between the front-end and the backend services,
encapsulating the necessary logic and communication.
Define Tailored APIs
The
BFF service should expose a set of tailored APIs that are optimized for
the front-end application's needs. These APIs should provide the
required data in an efficient and convenient format, minimizing
unnecessary round trips and reducing data transfer.
Aggregate Data and Handle Complexity
The
BFF service should handle the complexity of interacting with multiple
backend services. It can aggregate data from different services,
orchestrate workflows, and transform or filter the data to meet the
front-end's specific requirements. This helps in reducing the complexity
and network overhead on the front-end side.
Optimize Performance
One
of the key benefits of the BFF pattern is the ability to optimize
performance. The BFF service can leverage caching mechanisms,
pre-fetching of data, or implementing tailored data retrieval strategies
to enhance response times and improve the overall user experience.
Maintain Separation of Concerns
While
the BFF service acts as an intermediary between the front-end and the
backend services, it's important to maintain separation of concerns. The
BFF should not contain business logic or data manipulation that belongs
to the backend services. Instead, it should focus on providing the
necessary data and functionality required by the front-end.
Handle Security and Authorization
Ensure
that the BFF service implements proper security measures to protect
sensitive data and enforce appropriate authorization rules. This may
involve authentication mechanisms, token-based access control, or
integration with a central authentication service.
Evolve and Scale
As
the front-end application evolves, the BFF service should also adapt
accordingly. Monitor the usage patterns, performance metrics, and user
feedback to continuously enhance and optimize the BFF service.
Additionally, ensure that the BFF service is designed to be scalable and
can handle increased traffic and load as the application grows.
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Benefits of the Backend for Front-End Pattern
Improved Front-End Development Experience: The
BFF pattern allows front-end developers to work with a specialized
backend service that caters specifically to their needs. This results in
a more streamlined development process, as the front-end team can focus
on building the user interface without being hindered by backend
complexities.
Enhanced Performance: By
tailoring APIs and optimizing data retrieval and caching strategies, the
BFF service can significantly improve the performance of the front-end
application. This reduces latency, minimizes unnecessary data transfer,
and provides a more responsive user experience.
Flexibility and Adaptability:
The BFF pattern promotes flexibility by enabling the front-end
application to evolve independently from the backend services. As
requirements change or new features are introduced, the BFF service can
be updated accordingly without impacting the existing backend services.
Simplified Backend Integration:
The BFF service acts as a single point of integration for the front-end
application, abstracting away the complexities of multiple backend
services. This simplifies the integration process and reduces the
coordination efforts required between the front-end and backend teams.
Security and Authorization Control:
The BFF service can handle security concerns and enforce authorization
rules specific to the front-end application. This allows for a
centralized approach to security, ensuring that the appropriate
authentication and authorization mechanisms are applied consistently.
Considerations for Using the Backend for Front-End Pattern
Increased Complexity:
Implementing the BFF pattern introduces an additional layer of
complexity to the overall architecture. It requires careful design and
coordination between the front-end and backend teams to ensure smooth
communication and maintain separation of concerns.
Potential Performance Bottlenecks:
While the BFF pattern can improve performance, improper implementation
or inadequate scalability measures can introduce performance
bottlenecks. It is important to monitor and optimize the BFF service to
ensure it can handle the expected load and traffic.
Maintenance and Versioning:
As the front-end application evolves, the BFF service may require
updates and maintenance. It is crucial to manage versioning and
compatibility between the front-end and BFF service to prevent
disruptions and ensure seamless upgrades.
Overlapping Functionality: Care
must be taken to avoid duplicating functionality between the BFF
service and backend services. It is essential to clearly define the
responsibilities and boundaries of each component to avoid unnecessary
redundancy or inconsistency.
Conclusion
The
Backend for Front-End pattern provides a powerful approach to improving
the interaction between front-end applications and backend services in a
microservices architecture. By creating a specialized backend service
tailored to the needs of the front-end, the BFF pattern enhances
performance, simplifies integration, and promotes flexibility.
When
implementing the BFF pattern, it is important to consider the specific
requirements of the front-end application, design tailored APIs,
optimize performance, and handle security and authorization effectively.
By maintaining separation of concerns and continuously monitoring and
optimizing the BFF service, you can create a robust and scalable
architecture that enhances the development experience and delivers a
seamless user experience.
Utilize the Backend
for Front-End pattern as a valuable tool in your microservices ecosystem
to bridge the gap between front-end applications and backend services,
providing a streamlined and optimized communication channel.
Difference between Scala, Kotlin Java Programming
Hello guys, what is difference between Java, kotlin, and Scala is a common question from Java developers and new programmers who are learning these programming language for backend development. As a Java programmer and blogger, who has also worked extensively with Kotlin, I've often been asked about the differences between these two languages and how they compare to Java. While Java remains one of the most popular programming languages in use today, both Kotlin and Scala have gained significant traction in recent years, particularly in the realm of modern web development and microservices.
10 Best Courses to Learn Freelancing in 2022 - Best of Lot
If you have been thinking of freelancing, don’t think any more but just make that move and get into it as soon as possible. I say this because freelancing is really helping many people in terms of providing a steady income for them. Many people are making it big in life just because of freelancing. It is an opportunity that put a smile on your face at any given time or always. Before you get into it you have to really know what it is all about.
Top 5 Free Python Courses with Certificate for Beginners in 2025
Python language nowadays becomes one of the most used languages among developers in different variety of industries from making a small program for automating your daily tasks to programming large web apps in large companies. It is a high-level language just like Java and easy to learn and can be mastered in a few months. I’ve collected the best online courses to take with a certificate of completion to showcase your employee and get more change being hired.
Top 5 Courses To Learn Kindle Self Publishing for eBook in 2025 - Best of Lot
Before I get to the 5 best courses that will teach you everything there is to
know about Kindle self-publishing, let me tell you a little bit more about what
self-publishing really is all about. The self-publishing arm of Kindle,
known as Kindle Direct Publishing, is a platform that allows authors to connect
to millions of readers worldwide. It is very easy to create an author account,
upload your book, and sell the paperback version, as well as your eBooks through
Amazon. The key thing to remember is that you can do all of this without any
setup cost.
Top 5 Courses For Snowpro Core Certification in 2025 - Best of Lot
Before we get to the 5 best courses that will teach you about snowflake
certification, let me tell you what it really is. The Snowflake SnowPro
Certification Exam covers all the features of SnowFlake in addition to the
architectural principles and the best practices for implementing SnowFlake
solutions. You should have a very good understanding of SnowFlake before
attempting this exam. SnowFlake is basically a cloud-native platform that frees
you to set up separate data warehouses and data lakes as well as allows you to
secure data sharing across your organization.
Top 5 SEO Courses on Udemy for 2025 - Best of Lot
Hello friends, we are here again today for another exciting topic to discuss. But, today we are not gonna discuss something which is related to Java or any other language or spring boot. Today we are gonna discuss something which is immensely practical and has the potential to land you very high paying jobs. Today we are gonna take a look at the best available SEO courses online.
How to Print Prime Numbers from 1 to 100 in Java [Solved]
Hello guys, today, I'll share with you a simple problem of writing a Java program to print prime numbers up to a given number like saying prime numbers from 1 to 100. It's one of the most common coding exercises for programmers learning in Java, as it gives you an opportunity to learn more about the essential operators in Java Programming. The key here is that you cannot use a library function which can simplify your job, you need to devise the algorithm for checking prime number by yourself. One of the most popular algorithms for generating prime is Sieve of Eratosthenes, which we have discussed earlier, but in this post, we will take a simpler approach.
How to count a number of words in given String in Java? [Solved]
Can you write a method in Java that accepts a String argument and returns a number of words in it? A word is a sequence of one or more non-space characters i.e. any character other than '' (empty String). This should be your method signature:
public int count(String word);
This method should return 1 if the input is "Java" and return 3 if the input is "Java, C++, Python". Similarly a call to wordCount(" ") should return 0.
public int count(String word);
This method should return 1 if the input is "Java" and return 3 if the input is "Java, C++, Python". Similarly a call to wordCount(" ") should return 0.
5 Best Udemy Courses to Learn Spring Framework in 2025
For all the Java developers landing on this blog, you are on the right page! For
all who wanna transform, you too are also on the right page. Today we are gonna
review a few of the best courses available in the market for the learning
world's one of the most famous frameworks ever made, the Spring
framework! The Spring Framework is a Java platform application framework
and inversion of the control container. Any Java program may utilize the
framework's fundamental capabilities, however, there are extensions for creating
web apps on top of the Java EE platform.
5 Best Udemy Courses to Learn Hibernate in 2025
Hello there, if you're seeking the greatest Hibernate and JPA online courses in
2021, you've come to the correct spot. Hibernate ORM is a Java programming
language object-relational mapping tool. It provides a framework for translating
a relational database to an object-oriented domain model. It's an
object-relational mapping (ORM) tool or platform that lets you deal just with
objects while Hibernate takes care of your data. You may utilize the Hibernate
framework in your project instead of developing classes using SQL to load,
store, and update data using the DAO design pattern.
So, let's take a look at some f the best courses available in the market to learn Hibernate.
So, let's take a look at some f the best courses available in the market to learn Hibernate.
5 Best Hibernate courses on Udemy in 2025
Here are the best Udemy courses you can join to Learn Hibernate in depth. I
highly recommend them to Java developers who want to upskill themselves in
2024 to 2205.
Conclusion:
1. Java Persistence: Hibernate and JPA Fundamentals[UDEMY]
rating: 4.5 out of 5
duration: 10 hours
instructor: Deshraj Singh Kiran
price: $42
This is the course for you if you're a Java programmer who wants to master
Hibernate and JPA principles as well as some advanced subjects in Java
Persistence with Hibernate.
Hibernate 4.3.5. Final (and applicable updates for Hibernate 5.0) will be
covered in this course, as well as how to utilize Hibernate as a JPA
provider.
You'll also study the principles of object/relational mapping, querying,
cache performance, and concurrency, as well as some advanced JPA
capabilities.
The principles of Object/Relational Mapping, Querying, Caching,
Performance, and Concurrency, as well as certain advanced JPA
capabilities.
The basics of First and Second Level Caching, N+1 Selects Problem &
Batch Fetching, Optimistic Locking & Versioning, and Optimistic
Locking & Versioning Entity Relationships, Inheritance Mapping, and
Polymorphic Queries: The Basics
2. High-Performance Java Persistence - Mach 1[Vlad Mihalcea]
rating: 4.5 out of 5
duration: 4 hours
instructor: Vlad Mihalcea
price: $99
When you already know Hibernate and JPA and want to push your
understanding of Hibernate and JPA to the next level, I recommend checking
out @Vlad Mihalcea's High-Performance Java Persistence with Hibernate.
Vlad is a Java Champion and one of the most active Hibernate ORM project
committers, whose goal is to better understand the inner workings of
databases and frameworks in order to improve corporate system performance.
The following are some of the topics covered in this course:
Best practices for logging, testing, and schema management
Modeling of data (types, identifiers, entity mappings, inheritance)
Processing in batches (Persistence Context Management, batch updates, bulk
updates)
Obtaining the finest techniques
Controlling transactions and concurrency
Best practices are being archived.
Finally, you'll learn about sophisticated features like caching and
interceptors, which are essential for experienced Java programmers. I
strongly advise experienced Java developers to take this advanced
Hibernate course.
3. Hibernate and Java Persistence API (JPA) Fundamentals[UDEMY]
rating: 4.6 out of 5
duration: 7.5 hours
instructor: Infinite skills
price: $42
This is another excellent course for learning the fundamentals of
Hibernate and JPA. Object-relational mapping and Hibernate concepts are
covered in this online training course.
The basics of mapping annotations, mapping composite, and collection
types, and entity relationships will be covered after that. Hibernate API,
JPA API, complex mapping and settings, and criteria API are all covered in
this video tutorial.
The Hibernate query language and Java Persistence query language will also
be covered, which allow you to express SQL in a database
vendor-independent manner.
4. Master Hibernate and JPA with Spring Boot in 100 Steps[UDEMY]
rating: 4.5 out of 5
duration: 13 hours
instructor: In28Minutes
price: $45
This is a hands-on course that uses Spring and Spring Boot to teach the
principles of the Java Persistence API (JPA) and the Hibernate framework.
Entities, Relationships, Inheritance Mappings, and Annotations are the
fundamentals of JPA and Hibernate.
It also delves into JPA and Hibernates Relationships — One to One, Many to
One, and Many to Many — as well as several techniques of querying data
with JPA and Hibernate, including JPQL, Criteria API, and Native Queries.
You'll also learn about caching and how to use Hibernate to tune the speed
of your JPA application — Solve N+1 Queries Issues.
5. Hibernate Fundamentals: Hands-On Primer With Java EE & JPA[UDEMY]
rating: 3.8 out of 5
duration: 3 hours
instructor: Syez raza
price: $45
Another good online Hibernate training course is this one, which gives a
thorough introduction to Hibernate and the notion of Object Relational
Mapping (ORM).
You'll also learn how to develop Java apps that link to a relational
database using Hibernate.
The course also covers the most important JPA annotations for mapping
classes to relational models. In a nutshell, you'll learn how to use
Hibernate to install, set up, and develop Java apps.
You will learn some of the best things in hibernate and the list is as
follows:
Learn all there is to know about Hibernate and why it is so important.
Create a Java application from the ground up in the Hibernate environment.
Hibernate and SQL tools must be installed and configured.
Create a Java class for persistence.
The Hibernate XML Mapping File must be created.
Create an XML configuration file for Hibernate.
Access to the MyPHPadmin back-end database and test the application.
That's all about the best Udemy courses to learn Hibernate in 2025. I
highly recommend them for Java developers. So we have reviewed some of the
best Hibernate courses available in the market. Decide on your own will and
jump into the ocean of Hibernate and Java!