BAEL-3091: The Prototype Pattern in Java (changed code based on valid comments from a reader)

patterns/design-patterns-creational/src/main/java/com/baeldung/prototype/Tree.java

@@ -1,6 +1,6 @@
 package com.baeldung.prototype;
 
-public class Tree implements Cloneable {
+public class Tree implements TreeCloneable {
 
     private double mass;
     private double height;
@@ -36,7 +36,12 @@ public class Tree implements Cloneable {
     }
 
     @Override
-    public Tree clone() {
+    public String toString() {
+        return "Tree [mass=" + mass + ", height=" + height + ", position=" + position + "]";
+    }
+
+    @Override
+    public TreeCloneable createA_Clone() {
         Tree tree = null;
         try {
             tree = (Tree) super.clone();
@@ -46,9 +51,4 @@ public class Tree implements Cloneable {
         return tree;
     }
 
-    @Override
-    public String toString() {
-        return "Tree [mass=" + mass + ", height=" + height + ", position=" + position + "]";
-    }
-
 }

patterns/design-patterns-creational/src/main/java/com/baeldung/prototype/TreeCloneable.java

@@ -0,0 +1,6 @@
+package com.baeldung.prototype;
+
+public interface TreeCloneable extends Cloneable {
+
+    TreeCloneable createA_Clone();
+}

patterns/design-patterns-creational/src/test/java/com/baeldung/prototype/TreePrototypeUnitTest.java

@@ -15,7 +15,7 @@ public class TreePrototypeUnitTest {
 
         Tree tree = new Tree(mass, height);
         tree.setPosition(position);
-        Tree anotherTree = tree.clone();
+        Tree anotherTree = (Tree) tree.createA_Clone();
         anotherTree.setPosition(otherPosition);
 
         assertEquals(position, tree.getPosition());