JavaSE 匿名类（Anonymouse Inner Class）实现

{相关信息}
当一个内部类只创建一个对象，并且该类继承一个父类或者实现一个接口的时候，才考虑使用匿名类。

{代码实现}

package sup.orange.learn;



import java.awt.*;

import java.awt.event.MouseEvent;

import java.awt.event.MouseMotionAdapter;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;



/**

 * Created by re-x on 11/2/14.

 */

public class ListenerAnonymouseClass {

    private Frame f;

    private TextField tf;



    public ListenerAnonymouseClass() {

        f = new Frame("click or move");

        tf = new TextField(30);

    }



    public static void main(String[] args) {

        ListenerAnonymouseClass la = new ListenerAnonymouseClass();

        la.show();

    }



    public void show() {

        f.add("North", tf);

        f.setSize(200, 300);

        f.addWindowListener(new WindowAdapter() {

            @Override

            public void windowClosing(WindowEvent e) {

                super.windowClosing(e);

                f.dispose();

                f.setVisible(false);

                System.exit(0);

            }

        });



        f.addMouseMotionListener(new MouseMotionAdapter() {

            @Override

            public void mouseMoved(MouseEvent e) {

                super.mouseMoved(e);

                tf.setText("x="+e.getX()+",y="+e.getY());

            }

        });

        f.setVisible(true);

    }

}