Two Listener Example In Java

import java.awt.*;
import java.awt.event.*;
public class TwoListener implements MouseMotionListener,MouseListener{
private Frame f;
private TextField tf;


public TwoListener(){
f=new Frame("Two Listener Example");
tf=new TextField(30);
}
public void launchFrame(){
Label label=new Label("Click and drag the mouse");
f.add(label,BorderLayout.NORTH);
f.add(tf,BorderLayout.SOUTH);
f.addMouseMotionListener(this);
f.addMouseListener(this);
f.setSize(300,200);
f.setVisible(true);
}
public void mouseDragged(MouseEvent e){
String s="Mouse dragging : X ="+e.getX()+"Y = "+e.getY();
tf.setText(s);
}
public void mouseEntered(MouseEvent e){
String s="The Mouse Entered";
tf.setText(s);
}
public void mouseExited(MouseEvent e){
String s="The mouse has Left the Building";
tf.setText(s);
}
public void mouseMoved(MouseEvent e){
}
public void mousePressed(MouseEvent e){
}
public void mouseClicked(MouseEvent e){
}
public void mouseReleased(MouseEvent e){
}
public static void main(String args[]){
TwoListener two=new TwoListener();
two.launchFrame();
}

}