How to set enviroment variable for java in Windows XP/7

For  executing java program java program needs to be placed in bin folder .

But if you want to execute java program without placing it in bin folder of java you have to create the enviroment variable in windows..

For creating enviroment variables

Go to

My Computer  --> Properties ->Advanced -> Enviroment Variables --> System Variables

In system variables you will see value and variable

Here is variable which name is  Path

here append full path of java.

for append just place   ;  at end  and then paste java path

Ex : C:\Program Files\Java\jdk\bin

Ex :   java folder\bin

now close cmd   .. and  include your folder where java program is saved  and execute java prgram.