10 Best Free Git Courses and Tutorials for Beginners in 2022

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 difference 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 its 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 2022.

3 ways to convert String to JSON object in Java? Examples

It's very common nowadays to receive JSON String from a Java web service instead of XML, but unfortunately, JDK doesn't yet support conversion between JSON String to JSON object. Keeping JSON as String always is not a good option because you cannot operate on it easily, you need to convert it into a JSON object before you do anything else e.g. retrieve any field or set different values. Fortunately, there are many open-source libraries which allows you to create JSON object from JSON formatted String like Gson from Google, Jackson, and json-simple. In this tutorial, you will learn how to use these 3 main libraries to do this conversion with step-by-step examples.

10 Best Java Online Courses and Tutorials for Beginners in 2022

Hello everyone! if you want to learn Java Programming and become a Java Programmer in 2022 and looking for the best resources like books, online courses, tutorials, projects, and websites, you have come to the right place. Earlier, I have shared the best Java books for beginners, best Java websites, best Java tutorials, and free Java courses. Today, we will go through some of the best online courses for learning the Java Programming language. These Java online courses are curated from top websites and learning platforms like Coursera, Udemy, Educative, CodeCademy, Javaespecialist, etc.

Top 5 MEAN stack online Courses to Learn Web Development in 2022 - Best of Lot

Hello guys, if you want to learn MEAN stack to become a full stack web developer, you have come to the right place. I have been sharing valuable courses to learn modern tech stack like in the past, I have shared the best courses to learn MERN stack, and in this article, I will list the top 5 MEAN stack courses that explain every concept nicely and properly. The MEAN (Mongo, Express, Angular, and Node) stack is undoubtedly the most popular software stack in full-stack web development. The demand for full-stack developers has increased tremendously in recent years. This pandemic has also given the digital push to many companies, which means the demand will only increase.

Why String is Immutable or final in Java - 5 Reasons

There is hardly any Java Interview, where no questions are asked from String, and Why String is Immutable in Java is I think most popular Java String question. This question is also asked as Why String class is made final in Java or simply, Why String is final. In order to answer these questions, Java programmer must have a solid understanding of how String works, what are special features of this class, internal structure and implementation of String and some key fundamentals. The String class is a God class in Java, It has got special features which is not available to other classes like String literals are stored in string pool.

Top 5 Courses to Learn Smart Contract for Beginners in 2022 - 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 2022. 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.

[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.

Difference between Array vs ArrayList in Java

What is the difference between Array and ArrayList is quite a common question among beginners especially those who started coding in C and C++ and prefer to use Array? Both Array and Array List are used to store elements, which can be either primitive or objects in case of Array and only objects in case of ArrayList in Java. The main difference between Array vs ArrayList in Java is the static nature of the Array and the dynamic nature of ArrayList. Once created you can not change the size of Array but ArrayList can re-size itself when needed.

6 Free Courses to learn Machine Learning and Deep Learning in 2022 - Best of Lot

Hello guys, if you want to learn Machine learning and Deep learning in 2022 and look for the best online courses and tutorials, you have come to the right place. In this article, I will share some of the best free classes to learn Machine learning and Deep learning online. By the way, If you are thinking of learning Data Science, Machine learning, or Deep learning, you are not alone; more and more people are starting with these advanced skills worldwide. I have seen a lot of interest from Indian engineers in machine learning and the Artificial intelligence space. They are totally caught up with the craze of developing programs that can recognize numbers, alphabets, vehicles, and several other image scanning stuff.

Top 5 Free Courses to learn Node.js in 2022 - Best of lot

Node JS has completely changed the way JavaScript is used for development. Earlier JavaScript was considered as a client-side language because it runs on a browser and is mostly used for client-side validations, animations, and interaction. Node.js takes that to the next level by allowing JavaScript to run on a server-side, which means you can now write JavaScript applications that can execute without a browser. Node JS uses Google Chrome's execution engine and asynchronous processing to do this. All you need to is include a node.js script in your application, and you are ready to create server-side applications in JavaScript, which wasn't possible until a few years back.

Top 5 Git Online Courses for Beginners to Learn in 2022 [UPDATED] - Best of Lot

Hello guys, if you want to learn Git and Github and looking for the best resources then you have come to the right place. Earlier, I have shared free Github courses and free websites, and in this article, I am going to share the best online courses to learn Git from Udemy, Pluralsight, and other online portals. There is no doubt that both Git and Github have become standard source control and code repository for software developers. There was a time when multiple version control rules the world like CVS, SVN, VSS, Mercury, and TFS, but slowly and for better, everything has converged to Git. Now, almost 70 to 80% of programmer uses Git for version control and Github repository, both public and private, for storing their source codes.

Top 6 Courses to Learn Microservice with Java and Spring Boot in 2022 - Best of Lot

Hello guys, if you want to learn about Microservices architecture and how to create Microservices with Java using Spring Boot and Spring cloud framework and looking for the best online courses then you have come to the right place. Earlier, I have shared the best free Microservices courses for Java programmers and in this article, I am going to share the best online courses to learn Microservices with Java in 2022. Popularity of Cloud Computing has given an exponential rise to Microservices architecture because they go hand in hand. It's easy to scale Microservices which is the biggest advanced of Cloud Computing. If you don't know what is Microservices then don'

t worry, I will give you a brief overview.

Difference between HashMap and ConcurrentHashMap in Java? Example

HashMap vs ConcurrentHashMap in Java
What is the difference between an HashMap and ConcurrentHashMap in Java is one of the common interview questions and knowing the answer is not just important for interviews but also for writing robust and high performance Java cocd. ConcurrentHashMap in Java is introduced as an alternative of Hashtable in Java, which is a synchronized collection class, that makes the main difference between HashMap and ConcurrentHashMap which is one is non-synchronized , non-thread safe and not for use in Concurrent multi-threaded environment while ConcurrentHashMap is a thread-safe collection and intended to be used as primary Map implementation especially for multi-threaded and Concurrent environment.

How to iterate over an Array in Java using foreach loop Example Tutorial

Though there are many ways to loop over Array in Java, including classical for loop, while loop with length counter, nothing matches the elegance of Java 1.5 foreach loop, which makes iteration super easy and super cool. When we need to iterate through each element of an array and have to perform some operation on them e.g. filtering, transformation, or simply printing, the foreach loop comes to its full glory. There is not much difference between traditional for loop and Java 1.5 foreach loop, except that the former has counter and condition, which is checked after each iteration.

Top 6 AWS Cloud Practitioner Certification (CLF-C01) Courses, Practice Tests, and Exam Dumps in 2022 - Best of Lot

Hello guys, If you are preparing for AWS Certified Cloud Practitioner and looking for some affordable awesome online training courses and practice tests to start your preparation then you have come to the right place. Earlier, I have shared free AWS Cloud Practitioner courses, and in this article, I am going to share the best AWS Certified Cloud Practitioner certification online training courses for beginners and anyone who want to learn about AWS and Cloud Computing and also want to earn a certification.

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