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Volodymyr Portianko
Java Collections
12 January 2022 8:56
How to create a dictionary in Java
If you need to create a dictionary in a Java program, the most logical way to solve this problem is to use the dictionary data structure. This data structure allows you to store information in the form "key - value". Java has a special Dictionary...
Lucy Oleschuk
Random
11 January 2022 10:31
Online Bootcamps, Universities, and Private Tutoring. Which Option Is The Best for You to Learn Java?
Today, everyone has many opportunities to learn to program and isn't limited to universities and colleges. You can enter online coding bootcamps and learn at a comfortable pace or...
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...
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...
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...
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...
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...
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...
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...
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...
Konstantin
Random
3 December 2021 7:37
Coding Rules: the Power of Correct Names, Good and Bad Comments
How often have you had to dig into someone else's code? Instead of two hours, you may spend two days to simply understand the logic of what is happening. The funny thing is that for the person who wrote the code, everything is...
Lucy Oleschuk
Random
1 December 2021 10:30
Hot Programming, Tech, and Career Predictions for 2022 that can Help You Stay Head and Shoulder Above other Java Specialists
According to the world-famous American writer and software engineer Robert L. Glass, "The best programmers are up to 28 times better than the worst programmers". However, great...
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