Java comes in different editions JSE (Java Standard Edition), JEE (Java
Enterprise Edition), JME (Java Micro Edition). Beginners should try start
java programming with JSE. For this, you need to download, install and
configure the JSE development environment. To compile and run a java program
we need to install JDK (Java Development Kit) which is the basic set of tools
required to compile and run java programs. To download J2SE on your machine
for development visit http:/www.java.sun.com/j2se.
Read more at: