library.java~4~

简单的代码

package xue;

import java.awt.event.*;

public class library{
    public static void main(String[] args){
        MyFrame mf=new MyFrame();

        mf.init1();
        mf.addWindowListener(new WindowAdapter() {
               public void windowClosing(WindowEvent e) {
                  System.exit(0);
               }
           });
        mf.setVisible(true);
    }
}