Shallow copy then deep copy : Clone « Class Definition « Java Tutorial

class A {
  int l = 1;

class B extends A implements Cloneable {
  int m = 2;

class CloneDemo4 extends B {
  int n = 3;
  A a = new A();

  public static void main(String[] args) throws CloneNotSupportedException {
    CloneDemo4 c = new CloneDemo4();
    CloneDemo4 c2 = (CloneDemo4) c.clone();


    System.out.println(c.a == c2.a);

  protected Object clone() throws CloneNotSupportedException {
    // First, perform a shallow copy.

    CloneDemo4 temp = (CloneDemo4) super.clone();

    if (a != null)
      temp.a = new A();

    return temp;

5.18.1.Demonstrate the clone() method.
5.18.2.Override the clone() method.
5.18.3.Copying Objects implements Cloneable
5.18.4.Construct clone of an object
5.18.5.construct clone of an object and call constructor in the super class
5.18.6.public Object clone() throws CloneNotSupportedException
5.18.7.Cast after cloning
5.18.8.Shallow copy then deep copy
5.18.9.Uses serialization to perform deep copy cloning.
5.18.10.Deep clone Object
5.18.11.Deep clone serializing/de-serializng Clone
5.18.12.Serializable Clone
5.18.13.Manipulate properties after clone operation
5.18.14.Clone an object with clone method from parent
5.18.15.Arrays are automatically cloneable
5.18.16.A collection of utilities to workaround limitations of Java clone framework
5.18.17.Copy an serializable object deeply
5.18.18.Clone an array