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 ...

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.

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.