Installation

first of all you must  install the jdk 7.0 on your system.by this you can run or develop the java programs.

click on the download  for downloading the jdk7.0:-

                                               click

you will get this screen\

now click on the java downloads you will get this screen and accept the license and install the last zip file shown in the image below.

After downloading  open the .exe file.
click on Next.
you will get 3 folders:-
1-Public Jre
2-Development tool
3-Demo with Sources

Right click on Public jre and select "this feature is no available"
click on install then close.
so by this JDK will install in your drive.