fix clone @overrired

src/TD1/point/Point.java

@@ -52,8 +52,9 @@ public class Point
         return (this.x == p.x && this.y == p.y);
     }
     
-    public Point clone() {
-        return this;
+    @Override
+    protected Object clone() throws CloneNotSupportedException {
+    	return new Point(this.getX(), this.getY());
     }
     
     public String displayLocation() {

tests/TD1/point/TestPoint.java

@@ -32,8 +32,8 @@ public class TestPoint {
 	}
 	
 	@Test
-	public void testClone() {
-		pT = p1.clone();
+	public void testClone() throws CloneNotSupportedException {
+		pT = (Point) p1.clone();
 		assertTrue(pT.equals(p1));
 	}