JAVA学习笔记(四十八)- 适配器类 Adapter

适配器类 Adapter，对接口中的抽象方法进行空实现

import java.awt.Button;
import java.awt.Frame;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

/*
 * 适配器类 Adapter，对接口中的抽象方法进行空实现
 */
public class Test07 extends Frame{

    Button btn=new Button("点我");

    public Test07(String title){
        super(title);
        init();
    }

    public void init(){
        addWindowListener(new WindowAdapter() {

            @Override
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });

        btn.addMouseListener(new MouseAdapter() {

            @Override
            public void mouseClicked(MouseEvent e) {
                System.out.println("被点中了！");
            }

        });

        add(btn);
        setSize(200,200);
        setLocationRelativeTo(null);
        setVisible(true);
    }

    public static void main(String[] args) {
        new Test07("哈哈");
    }
}