设计密码窗口（含“是、否”按键）窗体可关！

import java.awt.*;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;class WindowText extends Frame{Label label1,label2;TextField text1,text2;Button yes=new Button("yes");Button no=new Button("no");WindowText(String s){super(s);setLayout(new FlowLayout());label1=new Label("输入密码");label2=new Label("用户名");text2=new TextField(10);text1=new TextField(10);text2.setEchoChar('*');add(label2);add(text1);add(label1);add(text2);add(yes);add(no);addWindowListener(new WindowAdapter(){public void windowClosing (WindowEvent we){dispose();}});setBounds(100,200,200,150);setVisible(true);}}public class TextExample{public static void main(String []args){WindowText win=new WindowText("添加了密码文本框的窗口");}}