java.lang.Enum.equals() java.lang.Enum.compareTo() java.lang.Enum.finalize() java.lang.Enum.equals() package com.codingdict; import java.lang.*; // enum showing topics covered under Tutorials enum Tutorials { topic1, topic2, topic3; } public class EnumDemo { public static void main(String args[]) { Tutorials t1, t2, t3; t1 = Tutorials.topic1; t2 = Tutorials.topic2; t3 = Tutorials.topic3; if(t1.equals(t2)) { System.out.println(t1 + " is equal to " + t2); } else if(t2.equals(t3)) { System.out.println(t2 + " is equal to " + t3); } else if(t1.equals(t3)) { System.out.println(t1 + " is equal to " + t3); } else { System.out.println("all 3 topics are different"); } } } java.lang.Enum.compareTo() java.lang.Enum.finalize()