//: generics/Generators.java

// A utility to use with Generators.

import generics.coffee.*;

import java.util.*;

import net.mindview.util.*;

public class Generators {

public static <T> Collection<T>

fill(Collection<T> coll, Generator<T> gen, int n) {

for(int i = 0; i < n; i++)

coll.add(gen.next());

return coll;

}

public static void main(String[] args) {

Collection<Coffee> coffee = fill(

new ArrayList<Coffee>(), new CoffeeGenerator(), 4);

for(Coffee c : coffee)

System.out.println(c);

Collection<Integer> fnumbers = fill(

new ArrayList<Integer>(), new Fibonacci(), 12);

for(int i : fnumbers)

System.out.print(i + ", ");

}

} /* Output:

Americano 0

Latte 1

Americano 2

Mocha 3

1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144,

*///:~