Tache 5 (Ajout de la methode Iterator<Cell> iterator() dans Cell + redefinition dans SquareCell).

app/src/main/java/model/Cell.java

@@ -41,6 +41,6 @@ public interface Cell {
      * @return this {@link Cell}'s property
      */
     Property<Color> getColorProperty();
-
+    Iterator<Cell> iterator();
 
 }

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

+package model;
+
+import java.util.Iterator;
+
+public class ColoredCellIterator implements Iterator<Cell> {
+    public ColoredCellIterator(SquareCell squareCell) {
+    }
+
+    @Override
+    public boolean hasNext() {
+        return false;
+    }
+
+    @Override
+    public Cell next() {
+        return null;
+    }
+}

app/src/main/java/model/SquareCell.java

@@ -52,5 +52,10 @@ public class SquareCell extends AbstractCell{
 
     }
 
+    @Override
+    public Iterator<Cell> iterator() {
+        return new ColoredCellIterator(SquareCell.this);
+    }
+
 
 }