java弹出式小程序

import java.awt.GridLayout;
import java.awt.event.*;
import javax.swing.*;

public class textFrame extends JFrame {
<wbr><wbr><wbr> public textFrame() {<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> super("Title Frame");<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> setSize(300, 200);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> JLabel username=new JLabel("username: ",SwingConstants.RIGHT);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> JLabel passWord=new JLabel("password: ",SwingConstants.RIGHT);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> JTextField text=new JTextField(10);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> JTextField password=new JTextField(10);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> JPanel pane=new JPanel();<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> pane.setLayout(new GridLayout(2,2));<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> setDefaultCloseOperation<wbr>(JFrame.EXIT_ON_CLOSE);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> String response1 = JOptionPane.showInputDialog(null,<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> "username:");<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> String response2=JOptionPane.showInputDialog(null,"passwrod:");<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> text.setText(response1);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> password.setText(response2);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> pane.add(username);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> pane.add(text);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> pane.add(passWord);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> pane.add(password);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> setContentPane(pane);<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> setVisible(true);<br><wbr><wbr><wbr> }</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>

<wbr><wbr><wbr> public static void main(String[] arguments) {<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> JFrame frame = new textFrame();<br><wbr><wbr><wbr> }<br> }<br></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>