The JDK is a development environment for building applications, applets, and components using the Java programming language.
The JDK Standard Edition (SE) includes tools useful for developing and testing programs written in the Java programming language and running on the Java platform.
The Java SE Development Kit (JDK) includes the Java Runtime Environment (JRE)
and command-line development tools, such as compilers and debuggers, that are necessary or useful for developing applets and applications.
Download the complete platform and runtime environment
Use your creative talents to design a winning application.What Java Do I Need?
You must have a copy of the Java Runtime Environment (JRE)
on your system to run Java applications and applets
To develop Java applications and applets
, you need the Java Development Kit, which includes the JRE