refactoring:

src/main/java/Snake/SnakeView.java

@@ -35,10 +35,7 @@ public class SnakeView implements Drawable{
         g.fillOval((int)positions.get(0).getX(),
                 (int)positions.get(0).getY(), cellSize, cellSize);
 
-        int r = 144;
-        int g1 = 238;
-        int b = 144;
-        g.setColor(new Color(r, g1, b));
+        g.setColor(new Color(144, 238, 144));
         for(int i = 1; i < positions.size(); ++i)
         {
 //      g.fillRect((int)positions.get(i).getX(),