PPT Slide
public static void main(String args[]) {
public boolean handleEvent(Event myEvent) {
if (myEvent.id == Event.WINDOW_DESTROY) {
if (myEvent.target == myButton && myEvent.id == Event.ACTION_EVENT) {
if (myPanel.getBackground() == Color.red) {
myPanel.setBackground(Color.blue);
else myPanel.setBackground(Color.red);
return super.handleEvent(myEvent);
Example 5: A simple GUI example (part B)