The procedure to set the JAVA_HOME environment variable differs on different platforms:
- Open System Properties (right-click My computer and select Properties)
- Open Advanced tab
- Click Environment Variables
- Locate the JAVA_HOME system variable and click Edit
- Set the value of the variable to the path of the Java installation, for example: "C:\Progra~1\Java\jre1.6.0_17"
Depending on the used shell:
Java Home directory
The JAVA_HOME environment directory may be different on every distribution.