The Java JDK (Java Development Kit) is a software development environment that creates Java applications. It includes tools and libraries that enable developers to write, compile, and execute Java ...

A Java compiler takes a text file and compiles it into a platform-independent Java file, meaning the compiled code can run on any OS. Learn how it works.

Java is one of those things that you don’t need to download until the moment you do. Most computer users will go about their business without having to download Java for Windows.

Learn how to optimize JVM and JIT compiler performance for better execution speed, memory usage, and resource utilization in your Java applications—and how to check your results.