java事件演示

package cn.stat.p3.windowdemo;

import java.awt.Button;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent; public class windowdemo { /**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
//创建窗体
Frame f=new Frame("my frame");
//设置大小
f.setSize(200,200);
//创建按钮
Button but=new Button("yige");
f.setLayout(new FlowLayout());//设置窗体流布局
//添加按钮
f.add(but);
//添加窗体事件监听
f.addWindowListener(new WindowAdapter() { @Override
public void windowClosing(WindowEvent e) {
// TODO Auto-generated method stub System.out.println("dddd");
System.exit(0);//关闭
} }); //添加按钮监听
but.addActionListener(new ActionListener() { @Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
System.out.println("dddd");
System.exit(0);//关闭
}
});
//显示窗体
f.setVisible(true); System.out.println("over"); } }
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