testanonymous.java

java程序设计源代码

import java.awt.*;
import java.awt.event.*;
public class TestAnonymous {
	Frame f = new Frame("匿名内部类测试");
	TextField tf = new TextField(30);
	
	public TestAnonymous(){
		f.add(new Label("请按下鼠标左键并拖动"), "North");
		f.add(tf, "South");
		
		f.addMouseMotionListener(new MouseMotionListener(){
			public void mouseDragged(MouseEvent e) {
			    String s = "鼠标拖动到位置（" + e.getX() + "," + e.getY() + ")";
			    tf.setText(s);
			}	
			public void mouseMoved(MouseEvent e) { }		
		});
		f.addWindowListener( new WindowAdapter() {
			public void windowClosing( WindowEvent e ){
				System.exit(0);
			}
		});
		f.setSize(300, 200);	    	
		f.setVisible(true);
	}
	public static void main(String args[]) {   	
		TestAnonymous t = new TestAnonymous();
	}
}