import javax.swing.JFrame;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.Timer;
public class Test extends JFrame {
private int breite = 600;
private int hoehe = 300;
private ActionListener timeraction;
private final Timer timer;
public Test() {
// + Einstellungen des Frames
timeraction = new ActionListener() {
public void actionPerformed(ActionEvent evt) {
if((getWidth() != breite) || (getHeight() != hoehe)) {
System.out.println("Groeße hat sich verändert!");
breite = getWidth();
hoehe = getHeight();
}
}
};
timer = new Timer(1, timeraction);
timer.start();
}
}