The ShapeContainer class now correctly adds shapes to a list with the addShape...

The ShapeContainer class now correctly adds shapes to a list with the addShape method, and the draw method iterates over the shapes to render them on the canvas.

src/main/java/shape/Rectangle.java

@@ -16,7 +16,7 @@ public class Rectangle implements Shape {
 
     @Override
     public int pointsCount() {
-        return 2;  // Un rectangle a 2 points (deux coins opposés)
+        return 2;
     }
 
     @Override

src/main/java/shape/ShapeContainer.java

 package shape;
 
 import javafx.scene.canvas.GraphicsContext;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -9,10 +8,13 @@ public class ShapeContainer{
 
     private List<Shape> shapes = new ArrayList<>();
 
-    public void addShape(Shape shape){}
+    public void addShape(Shape shape) {
+        shapes.add(shape);
+    }
 
     public void draw(GraphicsContext context) {
-        for(Shape shape : shapes)
+        for (Shape shape : shapes) {
             shape.draw(context);
         }
     }
+}