Tic Tac Toe created method to restart or exit game, if game over

src/main/java/src/TicTacToeGame.java

@@ -27,7 +27,7 @@ public class TicTacToeGame implements ActionListener {
         frame.setVisible(true);
 
         textfield.setBackground(new Color(0, 0, 250));
-        textfield.setForeground(new Color (100,100,255));
+        textfield.setForeground(new Color (255,0,0));
         textfield.setFont(new Font("Serif", Font.BOLD, 25));
         textfield.setHorizontalAlignment(JLabel.CENTER);
         textfield.setText("Tic Tac Toe");
@@ -49,7 +49,7 @@ public class TicTacToeGame implements ActionListener {
         }
 
         t_panel.add(textfield);
-        frame.add(t_panel, BorderLayout.NORTH);
+        frame.add(t_panel, BorderLayout.SOUTH);
         frame.add(bt_panel);
 
         startGame();
@@ -81,6 +81,23 @@ public class TicTacToeGame implements ActionListener {
         }
     }
 
+    //method to restart or exit game, if game over
+    public void gameOver(String s)
+    {
+        chance_flag = 0;
+        Object[] option={"Restart","Exit"};
+        int n=JOptionPane.showOptionDialog(frame, "Game Over\n"+s,"Game Over", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null, option, option[0]);
+        if(n==0)
+        {
+            frame.dispose();
+            new TicTacToeGame();
+        }
+        else
+        {
+            frame.dispose();
+        }
+
+    }
     //creating method for checking winner
     public void chek(){
         if ((bton[0].getText() == "X") && (bton[1].getText() == "X") && (bton[2].getText() == "X"))
@@ -147,6 +164,7 @@ public class TicTacToeGame implements ActionListener {
             oWin(6, 7, 8);
         } else if (chance_flag==9) {
            textfield.setText("Game Draw :)");
+           gameOver("Game Draw");
         } else if ((bton[3].getText()== "O") && (bton[4].getText() == "O") && (bton[5].getText() == "O"))
             oWin(3,4,5);
         }
@@ -163,7 +181,8 @@ public class TicTacToeGame implements ActionListener {
         {
             bton[j].setEnabled(false);
         }
-        textfield.setText("Player O Wins");
+        textfield.setText("Player O wins :)");
+        gameOver("Player O wins");
     }
 
     //method if player X wins
@@ -176,7 +195,8 @@ public class TicTacToeGame implements ActionListener {
         {
             bton[j].setEnabled(false);
         }
-        textfield.setText("Player X wins");
+        textfield.setText("Player X wins :)");
+        gameOver("Player X wins");
 
     }