The evolution of Java desktop technology is straightforward and distinct from web UI development, which has seen much more advancement and the introduction of many new frameworks. Let's take a deep ...

[gui] java.lang.NullPointerException: Cannot invoke "java.awt.Rectangle.equals (Object)" because "this.bounds" is null #2571 ...

When this window closes, I want it to call the function 'closeListener (java.awt.event.WindowEvent e)' and do some extra stuff before I dispose the frame and exit.