import org.pureprogrammer.Tuple; import org.pureprogrammer.Utils; public class Tuples1 { public static void main(String[] args) { Tuple.T2 pair1 = Tuple.makeTuple("Hello", 5); Tuple.T2 pair2; Tuple.T2 pair3; pair2 = Tuple.makeTuple(3, 3.1415926); pair3 = Tuple.makeTuple("Goodbye", 1.5); System.out.println(pair1.first() + "," + pair1.second()); System.out.println(pair2.first() + "," + pair2.second()); System.out.println(Utils.tupleToString(pair3)); } }