Made cell change color on click/Player turns

src/main/java/TicTacToe/TicTacToeGame.java

@@ -4,7 +4,6 @@ import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.geom.Line2D;
 
-import javax.swing.JButton;
 import javax.swing.JFrame;
 import javax.swing.JPanel;
 
@@ -13,10 +12,13 @@ public class TicTacToeGame extends JPanel {
 	
 	private static final long serialVersionUID = 1L;
 	private static int width = 600, height = 600;
-	
+	public cell[] field;
+	public int player = 1;
 	
 	public TicTacToeGame() {
 		this.setSize(width, height);
+		setLayout(null);
+		initField();
 	}
 	
 	public static void main(String[] args) {
@@ -29,6 +31,25 @@ public class TicTacToeGame extends JPanel {
 		f.setVisible(true);
 	}
 	
+	public void initField() {
+		field = new cell[9];
+		
+		for(int i = 0; i < field.length; i++) {
+			field[i] = new cell(this);
+			add(field[i]);
+		}
+		
+		for(int i = 0; i < field.length; i++) {
+			if(i < 3) {
+				field[i].setBounds(150 + i*100, 150 , 100, 100);
+			} else if (i < 6) {
+				field[i].setBounds(150 + i%3*100, 250 , 100, 100);
+			} else {
+				field[i].setBounds(150 + i%3*100, 350 , 100, 100);
+			}
+		}		
+	}
+	
 	@Override
 	protected void paintComponent(Graphics g) {
 		super.paintComponent(g);
@@ -45,5 +66,13 @@ public class TicTacToeGame extends JPanel {
         g2.draw(lin4);
 	}
 
+	public void endTurn() {
+		player++;
+		if(player >= 3) {
+			player = 1;
+		}
+		
+	}
+
 
 }

src/main/java/TicTacToe/cell.java

@@ -1,13 +1,40 @@
 package TicTacToe;
+import java.awt.Color;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
 import javax.swing.JButton;
 
 public class cell extends JButton {
 
 	int value = 0;
+	private TicTacToeGame ttt;
+	
+	public cell(TicTacToeGame _ttt) {
+		ttt = _ttt;
 		
-	public cell() {
+		addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				OnMouseClick();
+			}
+		});
+	}
 
+	protected void OnMouseClick() {
+		value = ttt.player;	
+		ttt.endTurn();
+		 switch (value) {
+		 case 1:  setBackground(new Color(255,0,0));
+         break;
+		 case 2:  setBackground(new Color(0,0,255));
+         break;
+         default: ;
+         break;
      }
+	}
+	
+	
 	
 	
 }