Learn how to use lambda expressions and functional programming techniques in your Java programs ...

This post explains how to call a method in Java. Learn how to define methods, call them from other classes, and pass arguments!

Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories.

Learn how to set JAVA_HOME as the Environment variable in Windows and also how to check or test the JAVA_HOME configuration setup using CMD.

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.

A preview feature in JDK 22 combines the strengths of virtual threads and parallel streams to improve optimization and performance. Here's how it works.