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}

}

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

new Information(); panel.add(rb1); panel.add(rb2); bg.add(rb1); bg.add(rb2);

// Ϊµ¥Ñ¡ºÍ¸´Ñ¡°´Å¥Ìí¼Óʼþ¼àÌýÆ÷ cb1.addActionListener(listener1); cb2.addActionListener(listener1); cb3.addActionListener(listener1); rb1.addActionListener(listener2); rb2.addActionListener(listener2);

// ½«JPanelÃæ°åºÍJScrollPaneÃæ°åÌí¼Óµ½JFrameÈÝÆ÷ÖÐ Container container = this.getContentPane(); container.add(panel, BorderLayout.NORTH); container.add(pane, BorderLayout.CENTER); this.pack();

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setVisible(true);

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

public class MyMenu extends JFrame implements ActionListener {

JLabel label = new JLabel(\ÇëÑ¡Ôñ²Ëµ¥\JMenuItem aaMenuItem, baMenuItem; MyMenu() {

JMenuBar menuBar = new JMenuBar(); JMenu aMenu = new JMenu(\²Ëµ¥A\JMenu bMenu = new JMenu(\²Ëµ¥B\

JMenuItem aaMenuItem = new JMenuItem(\²Ëµ¥Ïî AA\JMenuItem abMenuItem = new JMenuItem(\²Ëµ¥ÏîAB\JMenuItem baMenuItem = new JMenuItem(\²Ëµ¥Ïî BA\menuBar.add(aMenu); menuBar.add(bMenu); aMenu.add(aaMenuItem); aMenu.addSeparator(); aMenu.add(abMenuItem); bMenu.add(baMenuItem);

aaMenuItem.addActionListener(this); abMenuItem.addActionListener(this);

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}

public void actionPerformed(ActionEvent e) { }

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

JFrame frame = new MyMenu();

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(300, 200); frame.setVisible(true);

JMenuItem source = (JMenuItem) (e.getSource()); label.setText(\Ñ¡ÔñÁ˲˵¥:\label.setHorizontalAlignment(JLabel.CENTER); baMenuItem.addActionListener(this); setJMenuBar(menuBar);

getContentPane().add(label, BorderLayout.CENTER);

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

public class MyLayout _______/*´Ë´¦Ìî¿Õ*/ JFrame{

JLabel labelNo,labelName,labelGender; JTextField stdno,name,gender; int x=0,y=0,w,h;

Container cp=getContentPane(); public MyLayout() {

setLayout(null);

ѧºÅ=new JLabel(\¡¢\ÐÕÃû=new JLabel(\¡¢\ÐÔ±ð=new JLabel(\¡¢\_______________________ // ´Ë´¦Ìî¿Õ

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}

}

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

MyLayout obj=new MyLayout();

_______________________ // ´Ë´¦Ìî¿Õ gender=new JTextField(); x=80;y=30; w=100;h=30;

cp.add(labelNo); cp.add(labelName);cp.add(labelGender); cp.add(stdno);cp.add(name);cp.add(gender);

labelNo.setBounds(0,y,w,h); stdno.setBounds(x,y,w,h); labelName.setBounds(0,2*y,w,h);name.setBounds(x,2*y,w,h); labelGender.setBounds(0,3*y,w,h);gender.setBounds(x,3*y,w,h); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setSize(280,200); setVisible(true);

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import java.awt.CardLayout; import java.awt.Container;

import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; public class MyCardLayout {

public static void main(String args[]) {

final JFrame jframe = new JFrame(\Ò»¸ö¹ö¶¯ÁбíµÄÀý×Ó\final Container panelcp = jframe.getContentPane(); final CardLayout card = new CardLayout (20, 20); panelcp.setLayout(card); for (int i = 0; i < 5; i++) {

JButton jbt = new JButton(\

jbt.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

final JPanel panel = new JPanel();

jframe.add(panel);

// µã»÷µÄʱºòÏÔʾÏÂÒ»¸ö°´Å¥

}

jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

_______________________ // ´Ë´¦Ìî¿Õ

});

_______________________ // ´Ë´¦Ìî¿Õ

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