cells

src/Color.java

@@ -1,7 +1,6 @@
 
 
 public enum Color {
-
     NIL,
     WHITE,
     BLACK;

src/GomokuCell.java

@@ -2,10 +2,11 @@ import java.util.EnumMap;
 
 public class GomokuCell{
     private EnumMap<Cardinal,GomokuCell> neighbour;
-    public Color state; 
+    private Color state; 
 
-    public GomokuCell(){
+    public GomokuCell(Color state){
         this.neighbour = new EnumMap<>(Cardinal.class);
+        this.state = state;
     }
 
     public void linkCell(Cardinal car, GomokuCell cell){
@@ -16,6 +17,18 @@ public class GomokuCell{
         return this.neighbour.get(car);
     }
 
+    public boolean isEmpty(){
+        return this.state == Color.NIL;
+    }
+
+    public boolean isPlayed(){
+        return !this.isEmpty();
+    }
+
+    public Color getSate(){
+        return this.state;
+    }
+
     public EnumMap<Cardinal, GomokuCell> getAllNeighbour(){
         return neighbour;
     }