Methods are essential in Java programming as they promote code reusability, modularity, abstraction, and structure, making the code more efficient and maintainable. This guide aims to provide a comprehensive understanding of calling methods in Java. We’ll start with the basics, exploring the process of calling static methods, followed by the convenience of invoking pre-defined methods. … Read more
IntelliJ IDEA, was developed by JetBrains and is an integrated environment for Java programming language development, with many features such as maintainable code and High Performance. It has good applications in intelligent code assistants, automatic code prompts, refactoring, J2EE support, various version tools (Git, SVN, etc.), JUnit, CVS integration, code analysis, innovative GUI design, etc. … Read more
Percentage Calculator is a free online tool to calculate percentages. What is % of ? % is what percent of ? % What is the percentage increase/decrease from to ? %
I think you will agree with me when I say: Converting String to int in Java is a REALLY one of the most used operations. I’ll show 10 methods of how to change String to int with descriptions and examples. How to Convert a String to an Int in Java Methods Overview If you need … Read more
Here I’ll explain how to add JAVA_HOME variable on your MacBook (Mac OS). Set JAVA_HOME in .bash_profile Open Launchpad and search for Terminal and launch it. Edit ~/.bash_profile: and add to the end: ${/usr/libexec/java_home} is a symlink for current Java. Press Ctrl+X to exit and “Y” to save your changes. Now we need to recompile … Read more
Before installing Java on Ubuntu you need to choose between Open JDK and Oracle JDK. The difference is described here. Personally, I prefer Oracle JDK. Oracle JDK To install Java on Ubuntu you need to open Terminal (Alt + Ctrl + T) and type: This will add a PPA repository that contains Java installer. Then … Read more
To install Java on MacOS you need to go to the official Oracle download page and click on the major version of Java. Press “JDK Download” link and scroll down and download macOS Installer. When downloading is finished launch dmg file and double-click on the icon. Java installer welcome page will be opened. Press “Continue”. … Read more
To install Java on Windows 10 you need to go to the official Oracle download page. Select the major version of Java and press “JDK Download” button. I’ve taken the latest release version to install, but I recommend using LTS (long-term support) version for everyday needs. Download Windows x64 Installer: Launch installer when it is … Read more
We need to use the terminal to define JAVA_HOME environment variable and set Java path on your Linux. Use shortcut Alt+Ctrl+T to launch the command line. How to set Java Home? Edit ~/bashrc: and add JAVA_HOME variable to the end of file: Note: don’t forget to set your path to Java folder! How to set … Read more
Some Java applications require to define JAVA_HOME and Java path. Keep reading and I’ll explain how to do it in Windows 10. How to set Java Home You need to do the following to set JAVA_HOME: Search for Advanced System Settings and launch it: Go to Environment Variables: Press “New” button in “System variables” section: … Read more