Example:Immutable Class
Immutable class is thread safe Imuutable class objects cannot be modified Examples : Integer String package com.demo.immutable; //make ur class final public final class MyImmutable { //make ur instance variables final final String s="Anjana"; private String s2=null; //access the private via constructors--to modify public MyImmutable(String s2) { super(); this.s2 = s2; } public static void main(String args[]){ MyImmutable myimmutable=new MyImmutable("dff"); } }