Java Programming Tutorial - 74, 75, 76 - Mouse Events

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

class Mouse extends JFrame {
   private JPanel mousePanel;
   private JLabel statusBar;

   public static void main(String args[ ]) {
      Mouse gui = new Mouse();
      gui.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      gui.setSize(350, 200);
      gui.setVisible(true);
   }

   Mouse() {
      super("Title: mouse actions");

      mousePanel = new JPanel();
      mousePanel.setBackground(Color.BLUE);
      add(mousePanel, BorderLayout.CENTER);

      statusBar = new JLabel("Go on - do something");
      add(statusBar, BorderLayout.SOUTH);

      HandlerClass handler = new HandlerClass();
      mousePanel.addMouseListener(handler);
      mousePanel.addMouseMotionListener(handler);
   }

   private class HandlerClass implements MouseListener, MouseMotionListener {
      public void mouseClicked(MouseEvent event) {
         statusBar.setText(String.format("Mouse clicked at %d, %d", event.getX(), event.getY()));
      }

      public void mouseEntered(MouseEvent event) {
         mousePanel.setBackground(Color.RED);
      }

      public void mouseExited(MouseEvent event) {
         mousePanel.setBackground(Color.BLUE);
      }

      public void mousePressed(MouseEvent event) {
         statusBar.setText("You pressed the button");
      }

      public void mouseReleased(MouseEvent event) {
         statusBar.setText("You have released the button");
      }

      public void mouseDragged(MouseEvent event) {
         statusBar.setText("You are dragging the mouse");
      }

      public void mouseMoved(MouseEvent event) {
         statusBar.setText("You moved the mouse");
      }
   }

}