Update Cell.java

Cell.java

@@ -8,6 +8,9 @@ public class Cell {
     public Cell(){
 	this.isAlive = false;
     }
+    public void setColor(String hisColor) { color = hisColor; }
+
+    public String getColor() { return color; }
 
     /**
      * Determines whether this {@link Cell} is alive or not.