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  1. /*
  2.  * To change this license header, choose License Headers in Project Properties.
  3.  * To change this template file, choose Tools | Templates
  4.  * and open the template in the editor.
  5.  */
  6. package swingdemo;
  7.  
  8. import java.awt.BorderLayout;
  9. import java.awt.CardLayout;
  10. import java.awt.Color;
  11. import java.awt.Container;
  12. import java.awt.HeadlessException;
  13. import java.awt.event.ActionEvent;
  14. import java.awt.event.ActionListener;
  15. import javax.swing.JButton;
  16. import javax.swing.JCheckBox;
  17. import javax.swing.JFrame;
  18. import javax.swing.JPanel;
  19.  
  20. /**
  21.  *
  22.  * @author MYPC
  23.  */
  24. public class CardLayoutDemo extends JFrame{
  25.  
  26.     public CardLayoutDemo(String title) throws HeadlessException {
  27.         super(title);
  28.         this.setSize(400,600);
  29.         this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  30.         this.setVisible(true);
  31.         this.setLocationRelativeTo(null);
  32.         CreatAndShow();
  33.  
  34.     }
  35.  
  36.  
  37.  
  38.  
  39.     public void  CreatAndShow() throws HeadlessException {
  40.  
  41.         // Tạo Panel cha
  42.         JPanel jpnBorder = new JPanel();
  43.         jpnBorder.setLayout(new BorderLayout());
  44.  
  45.  
  46.         //Tạo một panel phía bắc
  47.         JPanel jpnNorth = new JPanel();
  48.         JButton jbt1 = new JButton("Show Card1");
  49.         JButton jbt2 = new JButton("Show Card2");
  50.         jpnNorth.add(jbt1);
  51.         jpnNorth.add(jbt2);
  52.         jpnBorder.add(jpnNorth, BorderLayout.NORTH);
  53.  
  54.  
  55.         //Tạo panel ở trung tâm
  56.         final JPanel jpnCenter = new JPanel();
  57.         jpnCenter.setLayout(new CardLayout());
  58.         jpnCenter.setBackground(Color.LIGHT_GRAY);
  59.  
  60.         //Tạo một panel bên trong panel trung tâm
  61.         final  JPanel card1 = new JPanel();
  62.         card1.setBackground(Color.LIGHT_GRAY);
  63.         card1.add(new JButton("Hello"));
  64.         card1.add(new JButton("I'm Card1"));
  65.  
  66.  
  67.         //Tạo panel bên trong panel trung tâm 
  68.         //panel này bị panel Card1 chồng lên
  69.         final  JPanel card2 = new JPanel();
  70.         card2.setBackground(Color.PINK);
  71.         card2.add(new JButton("Hi !"));
  72.         card2.add(new JCheckBox("CardLayout"));
  73.         card2.add(new JButton("I'm Card2"));
  74.  
  75.         //Thêm 2 panel này vào panel trung tâm
  76.         jpnCenter.add(card1,"my card1");
  77.         jpnCenter.add(card2,"my card2");
  78.  
  79.         jpnBorder.add(jpnCenter,BorderLayout.CENTER); 
  80.  
  81.  
  82.         Container con = getContentPane();
  83.         con.add(jpnBorder);
  84.  
  85.  
  86.         jbt1.addActionListener(new ActionListener() {
  87.             @Override
  88.             public void actionPerformed(ActionEvent e) {
  89.               CardLayout c1 = (CardLayout) jpnCenter.getLayout();
  90.  
  91.             c1.show(jpnCenter,"my card1");
  92.  
  93.  
  94.             }
  95.         });
  96.  
  97.  
  98.         jbt2.addActionListener(new ActionListener() {
  99.             @Override
  100.             public void actionPerformed(ActionEvent e) {
  101.             CardLayout c2 = (CardLayout) jpnCenter.getLayout();
  102.              c2.show(jpnCenter,"my card2");
  103.  
  104.  
  105.             }
  106.         });
  107.  
  108.       }
  109.  
  110.     public static void main(String[] args) {
  111.         new CardLayoutDemo("MY WINDOW");
  112.     }
  113.  
  114.  
  115. }
  116.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:24: error: class CardLayoutDemo is public, should be declared in a file named CardLayoutDemo.java
public class CardLayoutDemo extends JFrame{
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/fkUoWS
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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