How about switching the focus from your JButton to JFrame which will do the trick

Just add this code before setting your JFrame visibility
setFocusable(true);
before your
setVisible(true);...

Hi folks,
Today i noticed two strange behaviour in swing.
Case 1: Normally for every key events we used to get one keyPress and one keyRelease events.But this is not of the case with PrintScreen...

Can you provide some more detail where you have been struck up.
If you don't know how to start with creating thread then you can get a nice tutorial here...

Java specification tells that we cannot have static methods in interface.Can anyone explain me Why?

:-O