Cloned list elements exhibit unexpected shared state

import java.util.ArrayList; import java.util.List; class MyObject implements Cloneable { int value; public MyObject(int value) { this.value = value; } @Override protected Object clone() throws CloneNotSupportedException { return super.clone(); } } public class Main { public static List<MyObject> cloneList(List<MyObject> original) { List<MyObject> clone = new ArrayList<>(); for (MyObject obj : original) { try { clone.add((MyObject) obj.clone()); } catch (CloneNotSupportedException e) { e.printStackTrace(); } } return clone; } public static void main(String[] args) { MyObject a = new MyObject(1); MyObject b = new MyObject(2); List<MyObject> original = new ArrayList<>(); original.add(a); original.add(b); List<MyObject> cloned = cloneList(original); cloned.get(0).value = 5; System.out.println(original.get(0).value); // Expect 1, but prints 5 }