How to setting environment variable of jdk

NB:  At first Install jdk any version.Then follow the steps below to set Environment variable 

1. Right click on My Computer and select Properties

 

 2. Select Advance and click on Environment Variables

 

 
 3. Click to New.

 

 4. Name the variable and enter the path for the folder bin of JDK.Click Ok

 

5. Now you can see the variable you created if you click on Environment Variables.Click Ok