For the latest Java software, go to:

           http://java.sun.com/javase/downloads/index.jsp

Click Download Java Platform (JDK).

This program will install J2SE Development Kit (JDK) and J2SE Runtime Environment (JRE) .

From the same download page, you can also get J2SE Documentation. It is an ultimate reference for every Java programmer.

When runnig the setup program, it is recomenneded that you change the installation directory to a simpler one, for example, to \java\jdk.