import org.pureprogrammer.Tuple; public class Tuples2 { public static void main(String[] args) { Tuple.T2 pair1 = Tuple.makeTuple("Hello", 5); Tuple.T3 tuple1 = Tuple.makeTuple("Goodbye", 3, 3.1415926); Tuple.T4 tuple2 = Tuple.makeTuple(1.6, 2.5, 5, "C"); System.out.println(pair1.first() + "," + pair1.second()); System.out.println(tuple1.first() + "," + tuple1.second() + "," + tuple1.third()); System.out.println(tuple2.first() + "," + tuple2.second() + "," + tuple2.third() + "," + tuple2.fourth()); } }