A position of a window on the screen. : ComponentListener « Swing Event « Java Tutorial

1. Java Tutorial
2. Swing Event
3. ComponentListener

import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;

import javax.swing.JFrame;

public class MovingWindow extends JFrame implements ComponentListener {
  public MovingWindow() {
    addComponentListener(this);
    setSize(310, 200);
    setLocationRelativeTo(null);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    setVisible(true);
  }

  public void componentResized(ComponentEvent e) {
  }

  public void componentMoved(ComponentEvent e) {
    int x = e.getComponent().getX();
    int y = e.getComponent().getY();
    System.out.println("x: " + x);
    System.out.println("y: " + y);
  }

  public void componentShown(ComponentEvent e) {
  }

  public void componentHidden(ComponentEvent e) {
  }

  public static void main(String[] args) {
    new MovingWindow();
  }
}

15.10.ComponentListener
	15.10.1.	How to Write a Component Listener
	15.10.2.	ComponentListener and ComponentEvent
	15.10.3.	extends ComponentAdapter
	15.10.4.	A ComponentAdapter.
	15.10.5.	A position of a window on the screen.
	15.10.6.	Installs/resets a ComponentListener to resize the given window to minWidth/Height if needed