帮忙看看这个代码要怎么修改

Question

请大家帮忙看看，这段代码要怎么修改才行呢？
import java.awt.*;
import java.awt.event.*;
public class S extends Frame{
private KeyEventHandler keyListener= new KeyEventHandler();
private WindowCloser windowListener= new WindowCloser();
public S(){
addKeyListener(keyListener);
addWindowListener(windowListener);
setSize(200,200);
setVisible(true);
}
public static void main(String args[])
{S p= new S();}
}
public class KeyEventHandler implements KeyListener{
    /**
     * 
     * @param ke 
     */
public void keyPressed(KeyEvent ke){
if (ke.getKeyChar()=='q')
System.exit(0);}
public void keyReleased(KeyEvent ke)
{}
public void keyTyped(KeyEvent ke)
{System.out.println("Key Listener:Key pressed:"+ ke.getKeyChar());}
}
public class WindowCloser implements windowListener{
public void windowClosing(WindowEvent we)
{System.exit(0);}
public void windowOpened(WindowEvent we){}
public void windowIconified(WindowEvent we){}
public void windowDeiconified(WindowEvent we){}
public void windowClosed (WindowEvent we){}
public void windowActivated (WindowEvent we){}
public void windowDeactivated(WindowEvent we){}
}

Answer 1

import java.awt.*;
import java.awt.event.*;class S extends Frame {    private KeyEventHandler keyListener = new KeyEventHandler();
    private WindowCloser windowListener = new WindowCloser();    public S() {
        addKeyListener(keyListener);
        addWindowListener(windowListener);
        setSize(200, 200);
        setVisible(true);
    }    public static void main(String args[]) {
        S p = new S();
    }
}class KeyEventHandler implements KeyListener {    /**
     *
     * @param ke
     */
    public void keyPressed(KeyEvent ke) {
        if (ke.getKeyChar() == 'q') {
            System.exit(0);
        }
    }    public void keyReleased(KeyEvent ke) {
    }    public void keyTyped(KeyEvent ke) {
        System.out.println("Key Listener:Key pressed:" + ke.getKeyChar());
    }
}class WindowCloser implements WindowListener {    public void windowClosing(WindowEvent we) {
        System.exit(0);
    }    public void windowOpened(WindowEvent we) {
    }    public void windowIconified(WindowEvent we) {
    }    public void windowDeiconified(WindowEvent we) {
    }    public void windowClosed(WindowEvent we) {
    }    public void windowActivated(WindowEvent we) {
    }    public void windowDeactivated(WindowEvent we) {
    }
}

Answer 2

没写过AWT看不懂.
帮你顶下..

Answer 3

谢谢一楼啦，还想问下一楼给代码加的 
    /**
     *
     * @param ke
     */
是什么意思呢？小弟刚学java不久，还希望能帮忙解释下？谢谢

Answer 4

import java.awt.*;
import java.awt.event.*;class S extends Frame {    public S() {
        addKeyListener(new KeyAdapter() {            @Override
            public void keyPressed(KeyEvent ke) {
                if (ke.getKeyChar() == 'q') {
                    System.exit(0);
                }
            }            @Override
            public void keyTyped(KeyEvent ke) {
                System.out.println("Key Listener:Key pressed:" + ke.getKeyChar());
            }
        });
        addWindowListener(new WindowAdapter() {            @Override
            public void windowClosing(WindowEvent e) {
                S.this.dispose();
                System.exit(0);
            }
        });
        setSize(200, 200);
        setVisible(true);
    }    public static void main(String args[]) {
        S p = new S();
    }
}

Answer 5

javadoc的一些标记，暂时不用管。