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8 October 2020 6:46
10 ways to improve your code, proven through personal experience
Hello everyone in the CodeGym community! Today we're going to talk about code quality. Yes, dear friends. Nobody's perfect. Everyone realizes at some point that the code could be better...
7 October 2020 9:38
Best Tech Companies in Germany: Is It Worth Taking a ‘Road to Berlin’?
Here at CodeGym, we don’t just help you to learn how to code in Java from scratch. We also do all we can to support you with knowledge necessary to find a good Java Developer job after you...
Professor Hans Noodles
6 October 2020 8:27
Welcome to CodeGym
Hey! Welcome to the global CodeGym community. Programmers are not born. We made these words our slogan because we firmly know that programming is a skill. To develop it, you need to practice every day. That is right...
5 October 2020 12:14
Matrix in Java - 2D Arrays
“A matrix is a collection of numbers arranged into a fixed number of rows and columns.” Usually these are real numbers. In general, matrices can contain complex numbers but for the sake of simplicity we will only use whole numbers here. Let’s have a look at what a matrix looks like...
5 October 2020 11:15
System.exit() in Java
The System class in Java contains fields and methods to handle the SystemOne of them is the System.exit () method used in the Java language when you need to terminate a program or rather JVM instance that is currently running. Any line inserted below the exit method...
5 October 2020 5:48
Max Heap in Java
In Java, there are many different types of data structures. The heap is based on a tree structure called a binary tree. A binary tree consists of nodes, each of which can have a maximum of 2 child nodes. A binary tree consists of a parent node which can have...
1 October 2020 7:22
Getting started with Git: a comprehensive guide for newbies
Hello! Today we're going to talk about a version control system, namely Git. You have nothing to do with programming if you don't know/understand Git. But the beauty is that you don't have to keep all the Git commands and features in your head in order to be continuously employed...
30 September 2020 11:26
Top 50 job interview questions and answers for Java Core. Part 2
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...
28 September 2020 7:36
Start Coding From Day One and Get a Developer Job in a Few Months. CodeGym’s Recipe for Your Success
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...
21 September 2020 6:51
The Power of Us. How Socializing Improves Your Java Learning Ability
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...
16 September 2020 6:12
UK’s Best Tech Employers: Companies to Apply to, Salaries, and If It’s Worth Being a Developer in the UK
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...
Strings in Java
14 September 2020 11:04
Java String contains() Method
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...
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