public class Combination { // Instance variables. // Remove this comment and declare your instance variables here // Constructor public Combination( int first, int second, int third ) { // Your code here } // An instance method that compares this object // to other. // Always check that other is not null, i) // an error would occur if you tried to // access other.first if other was null, ii) // null is a valid argument, the method should // simply return false. public boolean equals( Combination other ) { // Put your code here and remove the line below return true; } // Returns a String representation of this Combination. public String toString() { // Put your code here and remove the line below return ""; } }