1 /*
 2  * This is the Pair class
 3  */
 4 package alist;
 5 
 6 /**
 7  *
 8  * @author sjenks
 9  */
10 public class Pair <A,B> implements PairADT<A,B>{
11     private A a;
12     private B b;
13     
14     public Pair (A a, B b){
15         this.a= a;
16         this.b= b;
17     }
18     @Override
19     public A a() {
20         return a;
21     }
22 
23     @Override
24     public B b() {
25         return b;
26     }
27     
28     public String toString(){
29         return "("+ a + "," + b + ")";
30     }
31     
32 }
33