Changed Colors to cross and circle

src/main/java/TicTacToe/Cell.java

@@ -1,6 +1,8 @@
 package TicTacToe;
 
 import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 
@@ -13,7 +15,7 @@ public class Cell extends JButton {
 
 	public Cell(TicTacToeGame _ttt) {
 		ttt = _ttt;
-		setBackground(new Color(255,255,255));
+		setBackground(new Color(255, 255, 255));
 
 		addActionListener(new ActionListener() {
 			@Override
@@ -28,22 +30,31 @@ public class Cell extends JButton {
 			playerID = ttt.playerID;
 			ttt.endTurn();
 			setEnabled(false);
+			repaint();
+		}
+	}
+
+	@Override
+	protected void paintComponent(Graphics g) {
+		super.paintComponent(g);
+		Graphics2D g2 = (Graphics2D) g;
 
 		switch (playerID) {
 		case 1:
-				setBackground(new Color(255, 0, 0));
+			g2.drawOval(5, 5, 90, 90);
 			break;
 		case 2:
-				setBackground(new Color(0, 0, 255));
+			g2.drawLine(5, 5, 90, 90);
+			g2.drawLine(90, 5, 5, 90);			
 			break;
 		}
 	}
-	}
+
 
 	protected void reset() {
 		playerID = 0;
 		setEnabled(true);
-		setBackground(new Color(255,255,255));
+		repaint();
 	}
 
 }