package PairTest1; public class Pair<T> { public Pair() { first = null; second = null;} public Pair(T first, T second) { this.first = first; this.second = second; } public T getFirst() { return first; } public T getSecond() { return second; } public void setFirst(T newValue) { first = newValue; } public void setSecond(T newValue) { second = newValue; } private T first; private T second; }