java窗口输出

满意答案

kjjvj

2013.09.04

采纳率：46%    等级：12

已帮助：9519人

import java.awt.*;

import java.awt.event.*;

public class Four extends Frame

implements WindowListener

{ Four(){

setBounds(150,150,300,300);

setVisible(true);

Label lb=new Label("Hello World!");

addWindowListener(this);

add(lb);

lb.setBounds(50,30,80,50); }

public void windowClosed(WindowEvent w)

{

System.exit(0);

}

public void windowClosing(WindowEvent w)

{

dispose();

}

public void windowOpened(WindowEvent e) {}

public void windowIconified(WindowEvent e) {}

public void windowDeiconified(WindowEvent e) {}

public void windowActivated(WindowEvent e) {}

public void windowDeactivated(WindowEvent e) {} public static void main(String[] args){

new Four();

}

}

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