package generics;

import net.mindview.util.*;

/**

* RUN:

* javac generics/TupleTest.java && java generics.TupleTest

* OUTPUT:

* (hi, 47)

* (generics.Amphibian@422ede, hi, 47)

* (generics.Vehicle@110b053, generics.Amphibian@a83b8a, hi, 47)

* (generics.Vehicle@a981ca, generics.Amphibian@8814e9, hi, 47, 11.1)

*/

public class TupleTest {

static TwoTuple<String, Integer> f() {

return new TwoTuple<String, Integer>("hi", 47);

}

static ThreeTuple<Amphibian, String, Integer> g() {

return new ThreeTuple<Amphibian, String, Integer>(new Amphibian(), "hi", 47);

}

static FourTuple<Vehicle, Amphibian, String, Integer> h() {

return new FourTuple<Vehicle, Amphibian, String, Integer>(

new Vehicle(), new Amphibian(), "hi", 47

);

}

static FiveTuple<Vehicle, Amphibian, String, Integer, Double> k() {

return new FiveTuple<Vehicle, Amphibian, String, Integer, Double>(

new Vehicle(), new Amphibian(), "hi", 47, 11.1

);

}

public static void main(String[] args) {

TwoTuple<String, Integer> ttsi = f();

System.out.println(ttsi);

// error: cannot assign a value to final variable first

// ttsi.first = "there";

System.out.println(g());

System.out.println(h());

System.out.println(k());

}

}

class Amphibian {}

class Vehicle {}