tuplelist.java

thinking in java 书中源码 第四版

//: generics/TupleList.java
// Combining generic types to make complex generic types.
import java.util.*;
import net.mindview.util.*;

public class TupleList<A,B,C,D>
extends ArrayList<FourTuple<A,B,C,D>> {
  public static void main(String[] args) {
    TupleList<Vehicle, Amphibian, String, Integer> tl =
      new TupleList<Vehicle, Amphibian, String, Integer>();
    tl.add(TupleTest.h());
    tl.add(TupleTest.h());
    for(FourTuple<Vehicle,Amphibian,String,Integer> i: tl)
      System.out.println(i);
  }
} /* Output: (75% match)
(Vehicle@11b86e7, Amphibian@35ce36, hi, 47)
(Vehicle@757aef, Amphibian@d9f9c3, hi, 47)
*///:~