Articles

24. How do I create a new thread in Java? One way or another, a thread is created using the Thread class. But there are various ways of doing this… 1. Inherit java.lang.Thread. 2. Implement the java.lang.Runnable interface — the Thread class's...

What is the most important and essential part of learning how to code? If you aren’t totally new at CodeGym you probably know the answer to this question: practice is the most...

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...

We humans are inherently social beings. Most of us are so deeply social that we cannot bear total loneliness even for a day or two. Interestingly, we are not special in this way, as social behavior is very important for pretty much...

Coding in Java is so incredibly easy and fun, isn’t it? Just learn it real quick and start developing your own software or get a well-paid job as a Java Developer. Child’s play. Ok, we are obviously messing with you. Learning how to code in Java, or any other programming language for that matter, is not that easy...

The United Kingdom has been known as an excellent environment for technological companies for years, mainly due to the lack of corporate regulations, very reasonable taxation policies, and...

This function is specially designed to check if a string ‘contains’ another string or not. If you’re new to this you might end up using it to find a ‘character’. But it won’t serve the purpose. In this article, we’ll address how java.lang.String.contains() is used, implemented...

Arrays are used frequently in coding and are a way of storing multiple values of the same type in one variable. There may be many reasons why a coder may want to reverse an array. It may be necessary to reverse an array, for example, when the logic of a problem needs to start with the last element.

At CodeGym, we always say our course is the best possible way to learn Java online from scratch. Excuse us for bragging, it’s just the way we feel, and our students' results support this notion in quite an indisputable way...

The Java language is equipped with a comprehensive library for mathematical functions and operations. It is called "Math" class, and it resides in the java.lang package. There are methods included in the Math library for fundamental numerical operations, trigonometry, finding min-max...

Good day, everybody! Today we would like to talk to you about writing good code. Of course, not everyone wants to chew on books like Clean Code right away, since they contain copious amounts of information but not much is clear at first. And by the time you finish reading, you may kill all your desire to code...

Before we get started, it is assumed that you know about a Binary Tree (in a binary tree, each node stores a key greater than all the keys in its left subtree and less than all the keys in its right subtree). Whereas, a Binary Heap is a complete binary tree which satisfies either the min-heap or max-heap ordering property...