+ Added restart button

src/fx/Main.java

@@ -21,7 +21,6 @@ public class Main extends Application
     private Turn currentTurn = Turn.CROSSES;
     
     private boolean gameOver = false;
-    private boolean firstTurn = true;
     
     private Random random = new Random();
     
@@ -84,6 +83,20 @@ public class Main extends Application
         label.setPrefHeight(128);
         label.setPrefWidth(256);
        
+        Button button = new Button();
+        button.setText("Restart");
+        
+        button.setOnAction(new EventHandler<ActionEvent>() 
+        {
+	    @Override
+	    public void handle(ActionEvent arg0)
+	    {
+		restart();
+	    }
+        });
+        
+        pane.add(button, 128*5, 128*4);
+        
         winLabel = label;
         
         pane.add(label, 128*4, 128*4);
@@ -94,6 +107,17 @@ public class Main extends Application
         s.show();
     }
     
+    public void restart()
+    {
+	gameOver = false;
+	currentTurn = Turn.CROSSES;
+	for (Button b : buttons)
+	{
+	    b.setStyle("-fx-font-size:40");
+	    b.setText("");
+	}
+    }
+    
     public void updateButton(Button button)
     {
 	if (gameOver)
@@ -172,21 +196,6 @@ public class Main extends Application
     {
 	// AI PRIORITISES AGGRESSION BUT CAN ALSO BE VERY DEFENSIVE
 	
-	if (firstTurn)
-	{
-	    firstTurn = false;
-	    int i = -1;
-	    int count = 0;
-	    while (!isSlotAvailable(i) && count < 100000)
-	    {
-		count ++;
-		i = random.nextInt(buttons.size());
-	    }
-	    
-	    updateButton(buttons.get(i));
-	}
-	else
-	{
 	String turnCheck = "";
 	String opponentCheck = "";
 
@@ -252,8 +261,6 @@ public class Main extends Application
 	}
 	    
 	updateButton(buttons.get(i));
-	    
-	}
     }
     
     public void checkForWin()