Page 32 | Java Blog - Java News and Learning posts on CodeGym

CodeGym Random
27 December 2021 14:09
Java in 2021: Updates in versions 16 and 17, Popularity in Asia, and Sustainability in Rankings It's the end of December, which means it's time to summarize the significant news and updates in Java development. After all, it has undergone many changes during this year...
27.12.2021
1744views
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Oleksandr Miadelets Java Numbers
24 December 2021 10:50
Java BigInteger Class There are some primitive data types in Java that are used, such as int or long, to perform integer operations. However, sometimes we need to store large numbers outside the scope of such primitive data types. BigInteger Class is used...
24.12.2021
3474views
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Lucy Oleschuk Random
23 December 2021 8:56
Open Source Software. What Is It and Is It Worth Trying?With the rapid growth of OSS, an open-source software, anyone who'd like to succeed in the IT-sphere should get familiar with this flow and understand what stands behind it. As the name suggests, open-source software is something people can inspect...
23.12.2021
1094views
1comment
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Vasyl Malik Strings in Java
22 December 2021 7:50
Java String trim() method Even if the two strings look the same to you, they may not. For example, they may have leading and trailing spaces. The computer “sees” it, but we don’t. Java has a...
22.12.2021
2351views
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Artem Divertitto Java Collections
21 December 2021 12:14
Java ArrayList addAll() method If you need to add all the elements of one ArrayList () collection to another, you can use the addAll() method of the Java ArrayList class. In this article, I’m going to explain how this method works and provide some code examples...
21.12.2021
3664views
1comment
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Lucy Oleschuk Random
21 December 2021 8:13
How Many Programming Languages Are There? Why Some of Them Are Bound to Succeed, and Others Are Stillborn We are surrounded by hundreds of programming languages, but naturally, no one can learn all of them. And what for? There is no need, since knowing just one or a couple of mainstream programming languages...
21.12.2021
2506views
2comments
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Konstantin Random
16 December 2021 8:05
All about unit testing: techniques, concepts, practice Today you won't find an application that is not draped with tests, so this topic will be more relevant than ever for novice developers: you can't succeed without tests. Let's consider what types of testing are used in principle, and then we will study in detail everything...
16.12.2021
2809views
3comments
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Eugene Kuzmin Java Developer
14 December 2021 7:49
What to do if you've already "learned" Core Java, but it isn't enough for employment Hello everyone. Allow me to introduce myself. I'm Eugene. And I've been working as a Java developer for half a year :-) My entire path from Level 0 to employment...
14.12.2021
3914views
5comments
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John Selawsky Strings in Java
9 December 2021 12:53
Java String replace() Method What are the common replace() methods of String class in Java? The String class provides four different kinds of replace() methods in Java. Each of the methods addresses a specific use case. Their names are listed below...
09.12.2021
3122views
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CodeGym Random
9 December 2021 8:08
Code to Success and Vital Skill for 21st Century Workers. What is Computational Thinking?A number of things make CodeGym the best online course to learn how to code in Java from scratch (in our eyes at least): carefully planned course structure, practice-first approach, enormous number of tasks...
09.12.2021
5199views
1comment
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Alex Vypirailenko Methods in Java
8 December 2021 6:58
How to Call a Method in Java Java is an object-oriented language and thus needs its methods to be defined in a class. Once a method is declared in a class it can be called in the main or any other method. There are also some built-in methods already defined in Java libraries...
08.12.2021
77405views
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Lucy Oleschuk Random
7 December 2021 10:28
Is Java a Hard Nut to Crack for You?One of the most confusing things that may happen to students who are just starting to code is being told that programming is easy. In reality, things are entirely different. A famous American computer scientist, Alan Kay, has hit the bull's-eye by saying, "The most disastrous...
07.12.2021
1796views
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