Example of Tic Tac Toe Game in Swing

In this example, we are going to see the example of tic tac toe game (also known as 0 and x (cross)).

It can be developed only through AWT api, but we are using here swing framework.

1. import java.awt.*;  
2. import java.awt.event.*;  
3. import javax.swing.*;  
4. class TTT1 extends JFrame implements ItemListener, ActionListener{  
5. int i,j,ii,jj,x,y,yesnull;   
6. int a[][]={{10,1,2,3,11},{10,1,4,7,11},{10,1,5,9,11},{10,2,5,8,11},  
7.                 {10,3,5,7,11},{10,3,6,9,11},{10,4,5,6,11},  
8.         {10,7,8,9,11} };  
9. int a1[][]={{10,1,2,3,11},{10,1,4,7,11},{10,1,5,9,11},{10,2,5,8,11},  
10.                 {10,3,5,7,11},{10,3,6,9,11},{10,4,5,6,11},{10,7,8,9,11} };  
11.                   
12. boolean state,type,set;  
13.   
14. Icon ic1,ic2,icon,ic11,ic22;  
15. Checkbox c1,c2;  
16. JLabel l1,l2;  
17. JButton b[]=new JButton[9];  
18. JButton reset;  
19.   
20. public void showButton(){  
21.   
22. x=10; y=10;j=0;  
23. for(i=0;i<=8;i++,x+=100,j++){  
24.  b[i]=new JButton();  
25. if(j==3)  
26. {j=0; y+=100; x=10;}  
27.  b[i].setBounds(x,y,100,100);  
28. add(b[i]);  
29. b[i].addActionListener(this);  
30. }//eof for  
31.   
32. reset=new JButton("RESET");  
33. reset.setBounds(100,350,100,50);  
34. add(reset);  
35. reset.addActionListener(this);  
36.   
37. }//eof showButton  
38.   
39. /*********************************************************/  
40. public  void check(int num1){  
41. for(ii=0;ii<=7;ii++){  
42.    for(jj=1;jj<=3;jj++){  
43.         if(a[ii][jj]==num1){ a[ii][4]=11;  }  
44.   
45.    }//eof for jj  
46.   
47. }//eof for ii  
48. }//eof check  
49. /**********************************************************/  
50.   
51. /*********************************************************/  
52.   
53. public void complogic(int num){  
54.   
55.  for(i=0;i<=7;i++){  
56.    for(j=1;j<=3;j++){  
57.       if(a[i][j]==num){  a[i][0]=11; a[i][4]=10;    }  
58.       }  
59.   }  
60.    for(i=0;i<=7;i++){              // for 1  
61.      set=true;               
62.    if(a[i][4]==10){               //if 1   
63.        int count=0;  
64.        for(j=1;j<=3;j++){         //for 2   
65.            if(b[(a[i][j]-1)].getIcon()!=null){ //if 2  
66.              count++;  
67.                }                        //eof if 2  
68.             else{ yesnull=a[i][j]; }  
69.         }                               //eof for 2  
70.       if(count==2){                     //if 2  
71.          b[yesnull-1].setIcon(ic2);   
72.          this.check(yesnull); set=false;break;  
73.          }                                  //eof if 2  
74.       }                                     //eof if 1  
75.       else  
76.       if(a[i][0]==10){  
77.                 for(j=1;j<=3;j++){         //for2  
78.                     if(b[(a[i][j]-1)].getIcon()==null){ //if 1  
79.                       b[(a[i][j]-1)].setIcon(ic2);  
80.                         this.check(a[i][j]);  
81.                          set=false;  
82.                          break;  
83.                     }                         //eof if1  
84.                 }                             //eof for 2  
85.                 if(set==false)  
86.                       break;                                                         
87.             }//eof elseif  
88.   
89.     if(set==false)  
90.          break;      
91.  }//eof for 1  
92.   
93.   
94. }//eof complogic  
95.   
96.   
97. /*********************************************************/  
98.   
99. TTT1(){  
100. super("tic tac toe by ashwani");  
101.   
102. CheckboxGroup cbg=new CheckboxGroup();  
103. c1=new Checkbox("vs computer",cbg,false);  
104. c2=new Checkbox("vs friend",cbg,false);  
105. c1.setBounds(120,80,100,40);  
106. c2.setBounds(120,150,100,40);  
107. add(c1); add(c2);  
108. c1.addItemListener(this);  
109. c2.addItemListener(this);  
110.   
111.   
112. state=true;type=true;set=true;  
113. ic1=new ImageIcon("ic1.jpg");  
114. ic2=new ImageIcon("ic2.jpg");  
115. ic11=new ImageIcon("ic11.jpg");  
116. ic22=new ImageIcon("ic22.jpg");  
117.   
118. setLayout(null);  
119. setSize(330,450);  
120. setVisible(true);  
121. setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);  
122. }//eof constructor  
123.   
124. /*************************************************************/  
125. public void itemStateChanged(ItemEvent e){  
126.  if(c1.getState())  
127.   {   
128.  type=false;  
129.  }  
130.   
131.  else if(c2.getState())  
132.   { type=true;  
133.   }  
134. remove(c1);remove(c2);  
135.  repaint(0,0,330,450);  
136.  showButton();  
137. }//eof itemstate  
138. /************************************************************/  
139.   
140. public void actionPerformed(ActionEvent e){  
141. /********************************/  
142. if(type==true)//logicfriend  
143. {  
144. if(e.getSource()==reset){  
145.  for(i=0;i<=8;i++){  
146.    b[i].setIcon(null);  
147.   }//eof for    
148. }  
149. else{   
150.   for(i=0;i<=8;i++){  
151.       if(e.getSource()==b[i]){  
152.          
153.            if(b[i].getIcon()==null){  
154.               if(state==true){ icon=ic2;           
155.                state=false;} else{ icon=ic1; state=true; }  
156.             b[i].setIcon(icon);  
157.             }  
158.        }   
159.   }//eof for  
160. }//eof else  
161. }//eof logicfriend  
162. else if(type==false){                           //  complogic  
163.       if(e.getSource()==reset){  
164.           for(i=0;i<=8;i++){  
165.             b[i].setIcon(null);  
166.           }//eof for   
167.        for(i=0;i<=7;i++)  
168.         for(j=0;j<=4;j++)  
169.         a[i][j]=a1[i][j];   //again initialsing array  
170.         }  
171.         else{  //complogic  
172.             for(i=0;i<=8;i++){  
173.                if(e.getSource()==b[i]){  
174.                   if(b[i].getIcon()==null){   
175.                            b[i].setIcon(ic1);    
176.                             if(b[4].getIcon()==null){  
177.                               b[4].setIcon(ic2);  
178.                               this.check(5);  
179.                               } else{  
180.                                  this.complogic(i);  
181.                                  }  
182.                     }  
183.                  }  
184.              }//eof for  
185.         }  
186.     }//eof complogic  
187.   
188. for(i=0;i<=7;i++){  
189.     
190.   Icon icon1=b[(a[i][1]-1)].getIcon();  
191.   Icon icon2=b[(a[i][2]-1)].getIcon();  
192.   Icon icon3=b[(a[i][3]-1)].getIcon();  
193.      if((icon1==icon2)&&(icon2==icon3)&&(icon1!=null)){  
194.                if(icon1==ic1){   
195.                  b[(a[i][1]-1)].setIcon(ic11);  
196.                  b[(a[i][2]-1)].setIcon(ic11);   
197.                  b[(a[i][3]-1)].setIcon(ic11);  
198.     JOptionPane.showMessageDialog(TTT1.this,"!!!YOU won!!! click reset");     
199.          break;  
200.                    }  
201.              else if(icon1==ic2){   
202.              b[(a[i][1]-1)].setIcon(ic22);  
203.              b[(a[i][2]-1)].setIcon(ic22);  
204.              b[(a[i][3]-1)].setIcon(ic22);   
205.                JOptionPane.showMessageDialog(TTT1.this,"won! click reset");  
206.                 break;             
207.                }  
208.          }  
209.     }    
210.   
211.   
212. }//eof actionperformed  
213. /************************************************************/  
214.   
215. public static void main(String []args){  
216. new TTT1();  
217. }//eof main  
218. }//eof class