Initial data commit

Task/Polymorphic-copy/Groovy/polymorphic-copy-1.groovy

@@ -0,0 +1,14 @@
+class T implements Cloneable {
+    String property
+    String name() { 'T' }
+    T copy() {
+        try { super.clone() }
+        catch(CloneNotSupportedException e) { null }
+    }
+    @Override
+    boolean equals(that) { this.name() == that?.name() && this.property == that?.property }
+}
+
+class S extends T {
+    @Override String name() { 'S' }
+}

Task/Polymorphic-copy/Groovy/polymorphic-copy-2.groovy

@@ -0,0 +1,14 @@
+T obj1 = new T(property: 'whatever')
+S obj2 = new S(property: 'meh')
+
+def objA = obj1.copy()
+def objB = obj2.copy()
+
+assert objA.class == T
+assert objA == obj1 && ! objA.is(obj1) // same values, not same instance
+
+assert objB.class == S
+assert objB == obj2 && ! objB.is(obj2) // same values, not same instance
+
+println "objA:: name: ${objA.name()}, property: ${objA.property}"
+println "objB:: name: ${objB.name()}, property: ${objB.property}"