Here is a easy-to-follow tutorial on how to clear or delete Java cache in Windows 7.
1. Go to Control Panel.
2. Click Programs. Then look for Java icon and click on it.
3. A new box called Java Control Panel will pop up.
4. Now select the General tab.
5. Look down at the last section called Temporary Internet Files. Click on Settings...
6. Next click Settings... in the Temporary Internet Files section.
7. Another box will pop up. It is called Temporary Files Settings.
8. Now click Delete Files...
9. Finally another smaller box pops up called Delete Temporary Files. Just click OK.
10. That's all.
