java.lang.Character.Subset.hashCode() java.lang.Character.Subset.equals() java.lang.Character.Subset.toString() java.lang.Character.Subset.hashCode() package com.codingdict; import java.lang.*; public class CharacterSubsetDemo extends Character.Subset { // constructor of super class CharacterSubsetDemo(String s) { super(s); } public static void main(String[] args) { CharacterSubsetDemo obj1 = new CharacterSubsetDemo("admin"); CharacterSubsetDemo obj2 = new CharacterSubsetDemo("webmaster"); CharacterSubsetDemo obj3 = new CharacterSubsetDemo("administrator"); // returns a hash code value int retval = obj1.hashCode(); System.out.println("Hash code of Object " + obj1 + " = " + retval); retval = obj2.hashCode(); System.out.println("Hash code of Object " + obj2 + " = " + retval); retval = obj3.hashCode(); System.out.println("Hash code of Object " + obj3 + " = " + retval); } } java.lang.Character.Subset.equals() java.lang.Character.Subset.toString()