2.  If we set java settings permanently they are available from all command prompts even after system restart

3. Right click on “ my computer ”  click on “ properties ”

4. Below window is opened

5. Click on “Advanced System settings” hyper link, bellow window is opened

6. Click on “environment variables” button, bellow widow is opened..

7. In System variables section scroll down  find the Path environment variables

8. Cut its value (ctrl + X)  double click on it, bellow window is opened

9. Open Notepad and paste it here (ctrl + V)

10. Now open C:\Java\jdk1.7.0_11\bin folder  right click on bin in address bar  click “copy address as text” to copy entire path

11. Then paste this path at beginning of notepad with semicolon as shown bellow

12. Copy this updated path value back to “path” variable window  Select complete text on notepad (press ctrl + A)  Copy the text from notepad(press Ctrl + C)  Paste in the path environment variable window (Press Ctrl + V) Then you can find bellow the updated window.. Finally click on Ok button till all widows are closed