Learn Java and Programming through articles, code examples, and tutorials for developers of all levels.
How to create an ArrayList from array in Java? Example
Top 5 Free Jenkins, Docker, DevOps, Maven, and Kubernetes Courses for Java Programmers in 2022 [UPDATED]
Top 5 Free Angular Courses for Beginners to Learn Online in 2022 - Best of Lot
Difference between Proxy and Decorator Pattern in Java
Top 5 Java Certifications to Aim in 2022 - Best of Lot
Top 5 Machine Learning Certifications and Courses to Aim in 2022
These days, machine learning is by far the most prominent branch of computer science. It is one of the latest innovations, with many firms from different industries taking advantage of it. If you wish to learn this skill, it's no wonder considering its huge demand in society. ML is the analysis of software algorithms that can improve & develop on their own with input & their usage over time. It is considered to be a component of AI. ML algorithms create a model premised on learning stats to create forecasts or judgments without having to be specifically coded to do so.
Top 5 Free Online Courses to learn JavaScript in 2022 - Best of Lot
Top 5 Free Database and SQL Query Courses for Beginners to Learn Online in 2022 - Best of Lot
Unix command to find IP address from hostname - Linux example
10 ways to Quit/Exit from Vim Editor in Linux/UNIX? Examples
10 Example of ps -ef command in Linux and UNIX
How to find Files with Matching String in Linux? grep -l command Example
Recursive grep command example in Linux
Difference between Soft Link vs Hard Links in Linux/UNIX?
3 Examples of for loop in Linux and Bash Script [Tutorial]
6 Essential Data Structures Java Programmer should Learn in 2022
How to prepare for Google Cloud Developer Certification exam in 2022
In the advent of an AI-based world, coding makes your life better both in terms of workplace and personal life. It helps you understand the developing world easier. Every exam has its preparation strategy. Worthy things are never easy to get. One should put one's complete energy to clear what you want the most. In this case, in the present day, this article is especially targeted to reach the hands of aspirants who wants to crack & possess the certificate of the most renowned exam.
How to prepare for Google cloud developer exam in 2022
1. Is the Google cloud developer exam designated for you?
2. All About Google cloud developer exam
3. Why should you take Google cloud developer certification?
4. What are the subjects to be covered in the Google cloud developer exam?
5. Is the Google cloud developer exam tough?
6. What do you need to crack the Google cloud developer exam?
7. Start your Google cloud developer exam study:
7.1. Online Course for Google cloud developer exam in 2022
7.2. Publications for Google cloud developer exam
8. Common Doubts in Google Cloud Platform for Developer Exam
Wrapping up:
How to Find Missing Number in a Sorted Array in Java [Solved]
13 Java Serialization Interview Questions with Answers for 3 to 5 Years Experienced
6 Best Free AZ-900 Azure Fundamentals Courses for Beginners to Learn Online in 2022
Top 10 Online Courses to Learn Data Structure and Algorithms in 2022 - Best of Lot
10 Regular Expressions Every Java Programmer Should Learn
Top 70 Java Interview Questions for Junior Developers [1 to 2 Years Experienced]
Top 5 Free C++ Courses for Beginners to Learn Programming Online in 2022 - Best of Lot
Top 5 Free JavaScript Books for Beginners - Download PDF or Read Online
Difference between Set, List and Map in Java - Interview question
Difference between Heap and Stack Memory in Java? [Explained]
Top 5 Free Core Spring, Spring MVC, and Spring Boot Courses for Beginners in 2022 - Best of Lot
How get() and put() methods of HashMap works in Java? [Explained]
Top 80 Core Java Interview Questions with Answers
10 Free Java Programing Books for beginners - download, pdf and HTML
Top 5 PostgreSQL Courses and Tutorials for Beginners in 2022 - Best of Lot
Hello guys, if you want to learn PostgreSQL and looking for the best resources like online courses, books, and tutorials then you have come to the right place. In the past, I have shared the best online courses to learn MySQL, Oracle, SQL Server, and SQL in general, and in this article, I am going to share the best online courses to learn PostgreSQL from Scratch. If you don't PostgreSQL is one of the popular databases and used by many companies in production It is an open-source, object-relational database system that has been around for more than 15 years. It has a strong reputation for reliability, stability, and data integrity.
Top 5 Courses To Learn ASP .NET Framework for Beginners 2022 - 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 2022.
Top 5 Courses to Learn Perl Scripting in 2022 - Best of Lot
Top 15 HTML5 Interview Questions with Answers for 1 to 2 years Experienced
Top 10 Free and Best CodeCademy Courses for Beginners in 2022 - Best of Lot
Top 5 MATLAB courses for Beginners in 2022 - Best of Lot
Top 15 Microservices Interview Questions with Answers for Java Developers
Top 6 Online Course to Learn React.js with Hooks Beginners in 2022 - Best of Lot
Top 5 Courses to learn Web Development and Web Design in 2022 - Best of Lot
Hello guys, web development is one of the most lucrative fields of Software development, and demand for web developers is always increasing. It's also one of the exciting fields as you create web applications that are used by real people and you can also make an impact on millions of lives if you got a chance to work on the next unicorn or big tech companies like Amazon, Google, or Facebook. if you want to learn web development in 2022 and become a web developer or looking for a web development job then you have come to the right place. Earlier, I have shared the best free web development courses and in this article, I am going to share the best web development courses for beginners.
5 Best Haskell Programming Courses for Beginners in 2022
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 Free Courses to learn Design Patterns in Java and TypeScript in 2022 - Best of Lot
No matter how good or experienced a programmer is, they will run across issues when programming. As a number of problems arise in code, you may see some commonalities, and when you try to address them, you may detect certain patterns. The term "Design pattern" comes into play here. Design patterns, in basic words, are tried-and-true solutions to common programming problems. For instance, creational design patterns address object creation issues.
Top 5 Free Courses to Learn NFT (Non Fungible Tokens) - Best of Lot
5 Best PowerPoint Courses for IT Professionals in 2022
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 is so important for improving your abilities.
What is Iterator in Java? Example
5 Best Solidity courses for Beginners to Learn in 2022
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.
8 Best and Free Java Multithreading and Concurrency Courses for Beginners in 2022
How does Hello world program in Java works? Example and Explanation
5 Best Apache Camel Online Courses for Java Developers in 2022
How to Create, Start, and Stop a New Thread in Java? [Example Tutorial]
How to prepare for AWS certified Security Specialty Exam in 2022
"AWS Certified certified Security-Specialty" certification is one of the most esteemed credentials in the industry. There is now an official designation for data analysts on their resumes and applications. Two of today's most hotly debated topics, cloud computing, and security, come together with the AWS Security Specialty certification. If you're in the security field, bringing your skills to the cloud is a natural next step in your career development.
How to use CountDownLatch in Java? Example
5 Best Ethical Hacking Courses for Beginners to Learn Online in 2022
Hello guys, if you want to become an ethical hacker in 2022 or a cyber security professional, you have come to the right place. In the past, I have shared the best Cyber Security courses, websites, and even best free courses to learn Ethical hacking, but my readers requested more, and today, I am going to share the best online courses to learn Ethical hacking in 2022 and become an Ethical Hacker and Cyber Security professional. We all know who a hacker is and what is hacking, and how important cyber security is. But something is interesting about the origins of the word. The term 'hacker' was first coined to describe people who were experts at building mainframe systems, increasing their efficiency, and allowing the process of multi-tasking.
How to Join or Merge two ArrayList in Java - Example Tutorial
What is Diamond operator in Java? How and When to use? - Example Tutorial
The Diamond operator is a relatively new operator in Java which was first introduced in JDK 7 to improve type inference and reduce boilerplate Java coding. It is denoted with a closed angle bracket that resembles the shape of a diamond (<>) and that's why it's called the Diamond operator. If used correctly it can reduce typing and boilerplate coding in Java and result in much cleaner and readable code especially when you use Generics.
How to sort a List or Stream by Multiple Fields in Java? Comparator comparing() + thenComparing Example
One of the common requirements in Java is to compare objects by multiple fields. For example, if you have a list of CreditCard objects and you want to compare them by their provider and credit limit I mean, first compare them by their providers like VISA, Master, or American Express and if they are from the same provider then compare them by their credit limit, also known as breaking ties. Before Java 8 this wasn't easy because you have to write nested codes to compare multiple fields of an object as there was no easy way to chain multiple Comparators in Java, but things have changed a lot from Java 8.
How to Retrieve First and Last Element of LinkedList in Java [Example]
How to create an ArrayList from Array in Java? Arrays.asList() Example Tutorial
One of the common problems faced by junior and less experienced Java developers is converting an array to ArrayList e.g. they are getting an array from somewhere in their code and then want to create an ArrayList out of that so that they can add more elements and use other library methods which operate with ArrayList or List. The simplest way to convert an array to ArrayList is by using the Arrays.asList() method, which acts as a bridge between Collection classes and array data structure. This method returns a List that contains elements from an array.
How to use WeakHashMap in Java? Example Tutorial
Hello friends, we are here today again on our journey to Java. I hope everyone is fine and ready to board our train of knowledge. Today we are gonna learn something very interesting and very exciting. Today's topic will definitely be very useful in coding and programming. This topic would surely decrease your time complexity, and space requirements for any task very significantly :p So what's the wait? Let's start!
How to use HashSet in Java? Set Example Tutorial
Hello friends, we meet again for our journey of learning Java. Today, we are gonna learn something very fruitful and easy. Hope you all are excited and ready. I would recommend you guys to go through the HashMap or TreeMap article which goes over hashing as this topic has some of its features. So, What's the wait? Let's start! Suppose you guys are given the task of storing car names (yes, I love cars :p). Now, how would you store it? If you guys have some questions, here are the requirements. The car names may increase over time. So, logically, an array is not what we are looking for.
How to use LinkedList in Java? Singly LinkedList and Doubly LinkedList Example Tutorial
Hello friends, we meet again on our journey to Java. I hope you guys are enjoying Java and are trying hands-on too. Today we are gonna discuss a very easy topic (yeah, I mean it :p). But, do not get carried away just by "easy", this is the hottest topic asked in various interviews, exams, and development purposes too. So, what's the wait? Let's start! As usual, let's start with a scenario. Let's say you want a data structure that stores data in a sequential manner, like an array. But, you don't know the size yet while initializing the data structure. Arrays don't support that, they need a size beforehand. So, what should we do? Do not worry, as Java is here to help us again. Let's explore it then!
How to use TreeMap in Java? Example Tutorial
Hello friends, I hope you all are doing well and having lots of fun reading and learning together. Today we are here a meet again on our journey of Java. I hope you all have seatbelts buckled up as today it's gonna be an adventurous ride while learning something that is most used in many production applications, coding, and whatnot. Today's topic, TreeMap in Java is very important because it holds a very significant feature Java development kit provides.
25 Examples of ConcurrentHashMap in Java [Tutorial]
How to use Blocking Deque in Java? Example Tutorial
How to use Stream findFirst and findAny function in Java? Example Tutorial
Hello friends, here we are again on the journey of Java excited and eager to find the next stop of knowledge. But do not worry my friends, continuing the
java stream series further, today we will deep dive into two other functions of streams that are equally important and interesting.
So what’s the wait? Let’s start!
How to convert Stream to List, Set, or Collection in Java 8 - Example Tutorial
How to use CompletableFuture in Java? Example Tutorial
How To Check If Two Strings Array are Equivalent in Java? Example Tutorial
How to prepare for Google Cloud DevOps Engineer Exam in 2022
DevOps – The mix of development and operations is undoubtedly getting utmost importance in the modern era of technology. Google cloud platform is a Google cloud service that provides support to organizations in speedy building and delivery of applications and software programs with their easy and reliable maintenance.
How to Print Floyd's Triangle in Java - Example Tutorial
Matrix Multiplication in Java using Scanner, Class, and Function [Example]
How to Count number of 1s (Set Bits) in a binary number in Java [Solved]
3 ways to Find Duplicate Elements in a given Array in Java [Solved]
Top 5 Online Courses to Learn Selenium for Automation Testing in 2022 - Best of Lot
Top 5 Scala and Functional Programming Books and Courses in 2022 [Best of Lot]
Top 7 Free Selenium Courses for Beginners to Learn Online in 2022 - Best of Lot
Top 5 Online Courses to Learn Artificial Intelligence (AI) with Python for Beginners in 2022 - Best of Lot
How to get the value of a checkbox using jQuery ? Example Tutorial
Suppose you have a web page with a checkbox like a registration page where you have a checkbox about reading terms and conditions. When the user clicks the submit button, your job is to validate whether that particular checkbox is checked or not? How do you do that? How do you get the value of the checkbox to see if it's checked or not? Well, you can use a pseudo-selector ":checked" to see if that checkbox is checked or not. This selector returns true if the user has clicked and kept the checkbox checked; false otherwise. You can get the checkbox either by class or id and then you can call the is(":checked") method, as shown in our example.
4 Examples to Convert an int to String in Java [UPDATED]
Post order traversal Algorithms for Binary Tree in Java with example
Top 5 Free Java Microservices Courses with Spring Boot and RxJava in 2022 - Best of Lot
Hello Java programmers, if you want to learn Microservice architecture and look for free Microservice resources like free online courses, you have come to the right place. Earlier, I have shared the best Microservice courses for Java programmers to build Microservice using Java and the Spring framework, and today, I will share some free courses to learn Microservice in Java using Spring Boot and the Spring Cloud framework. If you don't know, Microservices is a modern architecture that goes along nicely with cloud computing and makes deployment, scaling, and even development easier.
Top 5 Courses to Learn Cyber Security Online in 2022 - Best of Lot
Hello folks, if you want to learn Cyber Security in 2022 and looking for the best online courses to learn Cyber Security to start your career, then you have come to the right place. Earlier, I have shared free Cyber Security courses and websites, and in this article, I am going to share the best Cyber Security online courses anyone can join to learn security essentials. These are also the best courses from popular online platforms like Udemy, Coursera, and Pluralsight and great resources to learn about Cyber Security, Ethical Hacking, Information Security, and much more. If you want to become a Cyber Security specialist, you should definitely check out these courses.
Top 5 Online Courses to Learn Express.js in 2022 - 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 2022. 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.
Top 5 Python Courses for Data Science and Machine Learning in 2022 - Best of Lot
We all know what Python is, right? It is a high-level, general-purpose programming language with enhanced readability. The syntax is also well-constructed and has an object-oriented approach. This will enable programmers to write clear and logical code for small and large projects. Data Science can be broadly defined as a field that extracts insights from structured and unstructured data using scientific methods and algorithms. These insights can then be applied across various domains and fields. It can be used for increasing sales, optimizing workflow, cash flow, etc.
How to Prepare for Google Collaboration Engineer Exam in 2022? Tips and Resources
Just before 2 months of 2022, I've cleared the Google Collaboration Engineer Exam, and now working as a cloud solutions engineer. Throughout my journey of Google Collaboration Engineer Exam preparation, the greatest challenge was the lack of materials and sources. I found it hard to find out the materials for this exam. I'm here to list out some important materials which I found helpful in clearing this Google Collaboration Engineer Exam.
Top 5 Courses to Learn Angular for Web Development in 2022 - Best of Lot
Hello guys, if you want to learn Angular in 2022 and looking for the best Angular courses then you have come to the right place. In the past, I have shared many resources to learn and master Angular like the best Angular books as well as free courses to learn Angular but many of you asked me to share more comprehensive and in-depth Angular courses and here we are with the list of the best Angular online courses to learn in 2022. These are comprehensive, in-depth, and up-to-date Angular courses, curated from popular websites and online courses platforms like Udemy, Pluralsight, Coursera as well as interactive platforms like Educative.
Top 5 Online Courses to learn Big Data, Spark, and Hadoop for Beginners in 2022 - Best of Lot
Hello Java programmers, if you want to learn Big Data and related technologies like Apache Hadoop, Spark, Hive, Flume, etc in 2022 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 free Big data courses and best courses to learn Spark but a lot of you asked me about the more comprehensive and up-to-date Big data course recommendations. So, I have come up with this list which contains the best-paid courses you can join to learn Big Data in 2022. Although the courses are not free, they are very affordable, particularly Udemy courses which you can get for just $10 on Sales. They are also very comprehensive, up-to-date, and trusted by millions of developers and probably the best resources to learn Big Data online in 2022.
How to Perform Union of Two Linked Lists Using Priority Queue in Java? Example Tutorial
Top 5 Computer Vision and OpenCV Courses to Learn in 2022 - Best of Lot
5 Free Courses for Google Cloud Professional Architect Certification [2022] - Best of Lot
Hello guys, if you are preparing for Google Cloud Professional Architect certification and looking for free online training courses, you have come to the right place. In the past, I have shared the best courses to learn Google Cloud and certification courses to pass cloud engineer, data engineer, and cloud architect certifications. Today, I will share free GCP Cloud Architect certification courses for beginners experienced cloud professionals. This is one of the most difficult and prestigious exams, similar ot the AWS Solution Architect and Azure Technology Architect (AZ-300) exam; once you pass this exam, you will have sufficient knowledge and skills to propose a Google cloud-based solution in-demand skill.