JDK and JRE Installation - Java Tips

Installing JDK & JRE, writing your first java program using text editor, compiling java using java compiler (javac). And run your application in command prompt windows.

The JDK is a development environment for building applications, applets, and components using the Java programming language.

The JDK includes tools useful for developing and testing programs written in the Java programming language and running on the Java platform.

The JDK also comes with a complete Java Runtime Environment, usually called a private runtime, due to the fact that it is separated from the "regular" JRE and has extra contents.