java.lang.Character.Subset.equals() java.lang.Character.valueOf(char c) java.lang.Character.Subset.hashCode() java.lang.Character.Subset.equals() 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"); // compares Subset objects for equality boolean retval = obj1.equals(obj1); System.out.println("Object obj1 is equal to obj1 ? " + retval); retval = obj2.equals(obj1); System.out.println("Object obj1 is equal to obj2 ? " + retval); retval = obj3.equals(obj1); System.out.println("Object obj1 is equal to obj3 ? " + retval); } } java.lang.Character.valueOf(char c) java.lang.Character.Subset.hashCode()