test

app/src/main/java/model/ColoredCellIterator.java

@@ -7,9 +7,9 @@ import java.util.Iterator;
 import java.util.Set;
 
 public class ColoredCellIterator implements Iterator<Cell> {
-    private Color color;
-    private Set<Cell> visitedCells;
-    private Set<Cell> pendingCells ;
+    private final Color color;
+    private final Set<Cell> visitedCells;
+    private final Set<Cell> pendingCells ;
 
     public ColoredCellIterator(Cell startCell){
         this.color = startCell.getColor();