package com.shallowcopy;

/**

* @author ManhKM on 2/14/2022

* @project Java-String

* address: o1 -> 475

* address: o2 -> 480

* o2 = o1 -> address o2 -> trỏ sang địa chỉ của o1.

*

* Reference document:

* https://tunghuynh.net/programer/java/1957/java-phan-6-su-khac-biet-giua-shallow-copy-voi-deep-copy-va-cach-tranh-loi-tiem-an/

*/

public class Main {

public static void main(String[] args) {

Obj o1 = new Obj("123");

Obj o2 = new Obj("abc");

System.out.println("Init: " + o1 + " | " + o2);

o2 = o1;

System.out.println("After assign: " + o1 + " | " + o2);

o2.setContent("456");

System.out.println("After set o2: " + o1 + " | " + o2);

o1.setContent("789");

System.out.println("After set o1: " + o1 + " | " + o2);

}

}