Add new Update.

src/Wall.java

@@ -4,16 +4,14 @@ public class Wall extends Rectangle {
 
     private int x, y, width, height;
     private Graphics2D g2d;
-    private int verOrHor;
 
-    public Wall(int x, int y, int width, int height, Graphics2D g2d,int verOrHor) {
+    public Wall(int x, int y, int width, int height, Graphics2D g2d) {
 
         this.x = x;
         this.y = y;
         this.height = height;
         this.width = width;
         this.g2d = g2d;
-        this.verOrHor=verOrHor;
 
         g2d.fillRect(x, y, width, height);
     }
@@ -33,4 +31,9 @@ public class Wall extends Rectangle {
     public double getHeight() {
         return height;
     }
+
+    @Override
+    public String toString() {
+        return x+" "+y;
+    }
 }