Tạo Puzzle Game sử dụng Java Swing

Chúng ta có thể phát triển Puzzle Game bằng Java với sự giúp đỡ của AWT/Swing với Event Handling. Dưới đây là code để phát triển Puzzle Game:

import java.awt.*;  
import javax.swing.*;  
import java.awt.event.*;  
public class puzzle extends JFrame implements ActionListener{  
JButton b1,b2,b3,b4,b5,b6,b7,b8,b9,next;  
puzzle(){  
super("Puzzle Game - code24h");  
 b1=new JButton("1");  
 b2=new JButton(" ");  
 b3=new JButton("3");  
 b4=new JButton("4");  
 b5=new JButton("5");  
 b6=new JButton("6");  
 b7=new JButton("7");  
 b8=new JButton("8");  
 b9=new JButton("2");  
 next=new JButton("next");  
  
b1.setBounds(10,30,50,40);  
b2.setBounds(70,30,50,40);  
b3.setBounds(130,30,50,40);  
b4.setBounds(10,80,50,40);  
b5.setBounds(70,80,50,40);  
b6.setBounds(130,80,50,40);  
b7.setBounds(10,130,50,40);  
b8.setBounds(70,130,50,40);  
b9.setBounds(130,130,50,40);  
next.setBounds(70,200,100,40);  
    
add(b1);add(b2);add(b3);add(b4);add(b5);add(b6);add(b7);add(b8);add(b9); add(next);  
b1.addActionListener(this);  
b2.addActionListener(this);  
b3.addActionListener(this);  
b4.addActionListener(this);  
b5.addActionListener(this);  
b6.addActionListener(this);  
b7.addActionListener(this);  
b8.addActionListener(this);  
b9.addActionListener(this);  
next.addActionListener(this);  
  
next.setBackground(Color.black);  
next.setForeground(Color.green);  
setSize(250,300);  
setLayout(null);  
setVisible(true);  
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  
}//ket thuc constructor  
  
public void actionPerformed(ActionEvent e){  
if(e.getSource()==next){  
String s=b4.getLabel();  
b4.setLabel(b9.getLabel());  
b9.setLabel(s);  
s=b1.getLabel();  
b1.setLabel(b5.getLabel());  
b5.setLabel(s);  
s=b2.getLabel();  
b2.setLabel(b7.getLabel());  
b7.setLabel(s);  
}  
if(e.getSource()==b1){  
String s=b1.getLabel();  
if(b2.getLabel().equals(" ")){ b2.setLabel(s); b1.setLabel(" ");}  
else if(b4.getLabel().equals(" ")){ b4.setLabel(s); b1.setLabel(" ");}  
 }//ket thuc if  
  
if(e.getSource()==b3){  
String s=b3.getLabel();  
if(b2.getLabel().equals(" ")){ b2.setLabel(s); b3.setLabel(" ");}  
else if(b6.getLabel().equals(" ")){ b6.setLabel(s); b3.setLabel(" ");}  
 }//ket thuc if  
  
if(e.getSource()==b2){  
String s=b2.getLabel();  
if(b1.getLabel().equals(" ")){ b1.setLabel(s); b2.setLabel(" ");}  
else if(b3.getLabel().equals(" ")){ b3.setLabel(s); b2.setLabel(" ");}  
else if(b5.getLabel().equals(" ")){ b5.setLabel(s); b2.setLabel(" ");}  
 }//ket thuc if  
  
if(e.getSource()==b4){  
String s=b4.getLabel();  
if(b1.getLabel().equals(" ")){ b1.setLabel(s); b4.setLabel(" ");}  
else if(b7.getLabel().equals(" ")){ b7.setLabel(s); b4.setLabel(" ");}  
else if(b5.getLabel().equals(" ")){ b5.setLabel(s); b4.setLabel(" ");}  
 }//end of if  
  
if(e.getSource()==b5){  
String s=b5.getLabel();  
if(b2.getLabel().equals(" ")){ b2.setLabel(s); b5.setLabel(" ");}  
else if(b4.getLabel().equals(" ")){ b4.setLabel(s); b5.setLabel(" ");}  
else if(b6.getLabel().equals(" ")){ b6.setLabel(s); b5.setLabel(" ");}  
else if(b8.getLabel().equals(" ")){ b8.setLabel(s); b5.setLabel(" ");}  
 }//ket thuc if  
  
if(e.getSource()==b6){  
  
String s=b6.getLabel();  
if(b9.getLabel().equals(" ")){ b9.setLabel(s); b6.setLabel(" ");}  
else if(b3.getLabel().equals(" ")){ b3.setLabel(s); b6.setLabel(" ");}  
else if(b5.getLabel().equals(" ")){ b5.setLabel(s); b6.setLabel(" ");}  
  
 }//ket thuc if  
  
if(e.getSource()==b7){  
String s=b7.getLabel();  
if(b4.getLabel().equals(" ")){ b4.setLabel(s); b7.setLabel(" ");}  
else if(b8.getLabel().equals(" ")){ b8.setLabel(s); b7.setLabel(" ");}  
  
 }//ket thuc if  
  
if(e.getSource()==b8){  
String s=b8.getLabel();  
if(b7.getLabel().equals(" ")){ b7.setLabel(s); b8.setLabel(" ");}  
else if(b9.getLabel().equals(" ")){ b9.setLabel(s); b8.setLabel(" ");}  
else if(b5.getLabel().equals(" ")){ b5.setLabel(s); b8.setLabel(" ");}  
  
 }//ket thuc if  
  
if(e.getSource()==b9){  
String s=b9.getLabel();  
if(b6.getLabel().equals(" ")){ b6.setLabel(s); b9.setLabel(" ");}  
else if(b8.getLabel().equals(" ")){ b8.setLabel(s); b9.setLabel(" ");}  
if(b1.getLabel().equals("1")&&b2.getLabel().equals("2")&&b3.getLabel()  
.equals("3")&&b4.getLabel().equals("4")&&b5.getLabel().equals("5")  
&&b6.getLabel().equals("6")&&b7.getLabel().equals("7")&&b8.getLabel()  
.equals("8")&&b9.getLabel().equals(" ")){   
JOptionPane.showMessageDialog(puzzle.this,"!!!you won!!!");  
}  
 }//ket thuc if  
  
}//ket thuc actionPerformed  
   
  
public static void main(String[] args){  
new puzzle();  
}//ket thuc main  
  
}//ket thuc class