Topic: 高手们,书中的例子,有本事的来调通!

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1.高手们,书中的例子,有本事的来调通! Copy to clipboard
Posted by: wyvern2004
Posted on: 2005-01-07 22:28

书中的一个例子,但为什么运行不了。
import java.awt.*;
import java.awt.event.*;

class TestAnonymousClass
{
private Frame f;
private TextField tf;
public static void main(String[]argsr)
{
TestAnonymousClass ac=new TestAnonymousClass();
ac.go();
}
public void go()
{
f=new Frame("AnonymousClass Example");
tf=new TextField(30);
f.add(new Label("Click and Drag the "+"mouse"),BorderLayout.NORTH);
f.add(tf,BorderLayout.SOUTH);

f.addMouseMotionListener(new MouseMotionAdapter(){
public void mouseDragged(MouseEvent e)
{
String s="Mouse Dragging: X="+e.getX()+" Y="+e.getY();
tf.setTextMoon;
}
});
f.addMouseListener(new MouseClickHandler());

f.setSize(300,200);
f.setVisible(true);
}
}

出现了下面的问题,这是为什么,谢谢了。
F:\java\JavaSun>javac TestAnonymousClass.java
TestAnonymousClass.java:27: cannot find symbol
symbol : class MouseClickHandler
location: class TestAnonymousClass
f.addMouseListener(new MouseClickHandler());
^
1 error

F:\java\JavaSun>

给位高手们帮帮忙,谢谢了。

2.Re:高手们,书中的例子,有本事的来调通! [Re: wyvern2004] Copy to clipboard
Posted by: Sunteya
Posted on: 2005-01-08 22:18

MouseClickHandler 是什么?


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