update

try

Objects/Entrance.java

@@ -0,0 +1,13 @@
+package Objects;
+import java.awt.geom.Point2D;
+
+import Applicatie.DrawObject;
+
+
+public class Entrance extends DrawObject {
+
+	public Entrance(Point2D position) {
+		super("images/entrance.png", position);
+	}
+
+}

Objects/Path.java

@@ -0,0 +1,13 @@
+package Objects;
+import java.awt.geom.Point2D;
+
+import Applicatie.DrawObject;
+
+
+public class Path extends DrawObject {
+
+	public Path(Point2D position) {
+		super("images/path.jpg", position);
+	}
+
+}

Objects/Toilet.java

@@ -7,7 +7,7 @@ import Applicatie.DrawObject;
 public class Toilet extends DrawObject {
 
 	public Toilet(Point2D position) {
-		super("images/toilet.png", position);
+		super("images/wc.png", position);
 	}
 
 }

Objects/Wall.java

@@ -0,0 +1,13 @@
+package Objects;
+import java.awt.geom.Point2D;
+
+import Applicatie.DrawObject;
+
+
+public class Wall extends DrawObject {
+
+	public Wall(Point2D position) {
+		super("images/wall.png", position);
+	}
+
+}