鼠标监听类适配器改良

同样代码大量精简
<span style="font-size:14px;">import java.awt.event.ActionEvent ;
import java.awt.event.ActionListener ;
import java.awt.event.WindowListener ;
import java.awt.event.WindowAdapter ;
import java.awt.event.WindowEvent ;
import java.awt.event.KeyEvent ;
import java.awt.event.MouseEvent ;
import java.awt.event.MouseAdapter ;
import java.awt.event.KeyAdapter ;
import java.awt.event.KeyListener ;
import java.awt.event.MouseListener ;
import javax.swing.JTextArea ;
import javax.swing.JFrame ;
import javax.swing.JScrollPane ;
import javax.swing.JPasswordField ;

class MyMouse extends JFrame
{  
        JTextArea text = new JTextArea() ;
        public MyMouse()
        {
            super.setTitle("鼠标精灵") ;
            JScrollPane scr = new JScrollPane(text) ;
            scr.setBounds(5,5,300,200) ;
            super.add(scr) ;
            text.addMouseListener(new MouseAdapter()
            {
                public void mousePressed(MouseEvent e)
                {
                   text.append("鼠标被按下
") ;
                }
            }) ;
            super.addWindowListener(new WindowAdapter()
           {
             public void WindowClosing(WindowEvent e)
            {
               System.exit(1) ;
            }
           }) ;
          
           super.setSize(400,300) ;
           super.setVisible(true) ;   
        }
       
   
} ;

class Tester
{
   public static void main(String args[])
   {
      MyMouse mhk = new MyMouse() ;
   }
} ;
</span>