This post explains how to use variables in Java. Learn the primitive types (and what that means) and just why variables are so important for any coding!

There are three simple ways to set JAVA_HOME in Windows. This tutorial shows you how to do it manually, from the command line and through the installer.

为什么变量名很重要？ Having a well named variable is definitely one of the most important thing for code readability. A good variable name should also provide meaning. That way it’s easy for others to read your ...

Method and variable handles vs. Java reflection To truly understand MethodHandles and VarHandles —what they do and why they are useful—it’s helpful to know a few things about reflection in Java.

Learn what a variable is, how to declare it, what types of variables exist, and what scope and modifiers mean in Java, one of the most popular programming languages.