Tic Tac Toe Game in Java with Source Code

by Online Tutorials Library July 14, 2022
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.
  import java.awt.*; import java.awt.event.*; import javax.swing.*; class TTT1 extends JFrame implements ItemListener, ActionListener{ int i,j,ii,jj,x,y,yesnull;  int a[][]={{10,1,2,3,11},{10,1,4,7,11},{10,1,5,9,11},{10,2,5,8,11},                 {10,3,5,7,11},{10,3,6,9,11},{10,4,5,6,11}, {10,7,8,9,11} }; int a1[][]={{10,1,2,3,11},{10,1,4,7,11},{10,1,5,9,11},{10,2,5,8,11},                 {10,3,5,7,11},{10,3,6,9,11},{10,4,5,6,11},{10,7,8,9,11} };  boolean state,type,set;  Icon ic1,ic2,icon,ic11,ic22; Checkbox c1,c2; JLabel l1,l2; JButton b[]=new JButton[9]; JButton reset;  public void showButton(){  x=10; y=10;j=0; for(i=0;i<=8;i++,x+=100,j++){  b[i]=new JButton(); if(j==3) {j=0; y+=100; x=10;}  b[i].setBounds(x,y,100,100); add(b[i]); b[i].addActionListener(this); }//eof for  reset=new JButton(“RESET”); reset.setBounds(100,350,100,50); add(reset); reset.addActionListener(this);  }//eof showButton  /*********************************************************/ public  void check(int num1){ for(ii=0;ii<=7;ii++){    for(jj=1;jj<=3;jj++){         if(a[ii][jj]==num1){ a[ii][4]=11;  }     }//eof for jj  }//eof for ii }//eof check /**********************************************************/  /*********************************************************/  public void complogic(int num){   for(i=0;i<=7;i++){    for(j=1;j<=3;j++){       if(a[i][j]==num){  a[i][0]=11; a[i][4]=10;    }   }   }    for(i=0;i<=7;i++){              // for 1      set=true;         if(a[i][4]==10){               //if 1         int count=0;        for(j=1;j<=3;j++){         //for 2             if(b[(a[i][j]-1)].getIcon()!=null){ //if 2              count++;                }                        //eof if 2             else{ yesnull=a[i][j]; }         }                               //eof for 2       if(count==2){                     //if 2          b[yesnull-1].setIcon(ic2);           this.check(yesnull); set=false;break;          }                                  //eof if 2       }                                     //eof if 1       else   if(a[i][0]==10){                 for(j=1;j<=3;j++){         //for2                     if(b[(a[i][j]-1)].getIcon()==null){ //if 1                       b[(a[i][j]-1)].setIcon(ic2);                         this.check(a[i][j]);                          set=false;  break;                     }                         //eof if1                 }                             //eof for 2                 if(set==false)                       break;                                                                    }//eof elseif      if(set==false)          break;      }//eof for 1   }//eof complogic   /*********************************************************/  TTT1(){ super(“tic tac toe by ashwani”);  CheckboxGroup cbg=new CheckboxGroup(); c1=new Checkbox(“vs computer”,cbg,false); c2=new Checkbox(“vs friend”,cbg,false); c1.setBounds(120,80,100,40); c2.setBounds(120,150,100,40); add(c1); add(c2); c1.addItemListener(this); c2.addItemListener(this);   state=true;type=true;set=true; ic1=new ImageIcon(“ic1.jpg”); ic2=new ImageIcon(“ic2.jpg”); ic11=new ImageIcon(“ic11.jpg”); ic22=new ImageIcon(“ic22.jpg”);  setLayout(null); setSize(330,450); setVisible(true); setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); }//eof constructor  /*************************************************************/ public void itemStateChanged(ItemEvent e){  if(c1.getState())   {   type=false;  }   else if(c2.getState())   { type=true;   } remove(c1);remove(c2);  repaint(0,0,330,450);  showButton(); }//eof itemstate /************************************************************/  public void actionPerformed(ActionEvent e){ /********************************/ if(type==true)//logicfriend { if(e.getSource()==reset){  for(i=0;i<=8;i++){    b[i].setIcon(null);   }//eof for   } else{    for(i=0;i<=8;i++){       if(e.getSource()==b[i]){                    if(b[i].getIcon()==null){               if(state==true){ icon=ic2;                         state=false;} else{ icon=ic1; state=true; }             b[i].setIcon(icon);             }        }    }//eof for }//eof else }//eof logicfriend else if(type==false){                           //  complogic       if(e.getSource()==reset){           for(i=0;i<=8;i++){             b[i].setIcon(null);           }//eof for         for(i=0;i<=7;i++)         for(j=0;j<=4;j++) a[i][j]=a1[i][j];   //again initialsing array         }         else{  //complogic             for(i=0;i<=8;i++){                if(e.getSource()==b[i]){                   if(b[i].getIcon()==null){                             b[i].setIcon(ic1);                               if(b[4].getIcon()==null){       b[4].setIcon(ic2);   this.check(5);   } else{          this.complogic(i);  }                     }                  }              }//eof for         }     }//eof complogic  for(i=0;i<=7;i++){      Icon icon1=b[(a[i][1]-1)].getIcon();   Icon icon2=b[(a[i][2]-1)].getIcon();   Icon icon3=b[(a[i][3]-1)].getIcon();      if((icon1==icon2)&&(icon2==icon3)&&(icon1!=null)){                if(icon1==ic1){                   b[(a[i][1]-1)].setIcon(ic11);                  b[(a[i][2]-1)].setIcon(ic11);                   b[(a[i][3]-1)].setIcon(ic11); JOptionPane.showMessageDialog(TTT1.this,”!!!YOU won!!! click reset”);  break;                    }              else if(icon1==ic2){               b[(a[i][1]-1)].setIcon(ic22);              b[(a[i][2]-1)].setIcon(ic22);              b[(a[i][3]-1)].setIcon(ic22);                 JOptionPane.showMessageDialog(TTT1.this,”won! click reset”);                 break;                 }          }     }     }//eof actionperformed /************************************************************/  public static void main(String []args){ new TTT1(); }//eof main }//eof class  
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