32 lines
823 B
Java
32 lines
823 B
Java
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//: generics/Generators.java
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// <20>2015 MindView LLC: see Copyright.txt
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// A utility to use with Generators.
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import generics.coffee.*;
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import java.util.*;
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import com.mindviewinc.util.*;
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public class Generators {
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public static <T> Collection<T>
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fill(Collection<T> coll, Generator<T> gen, int n) {
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for(int i = 0; i < n; i++)
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coll.add(gen.next());
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return coll;
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}
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public static void main(String[] args) {
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Collection<Coffee> coffee = fill(
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new ArrayList<>(), new CoffeeGenerator(), 4);
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for(Coffee c : coffee)
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System.out.println(c);
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Collection<Integer> fnumbers = fill(
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new ArrayList<>(), new Fibonacci(), 12);
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for(int i : fnumbers)
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System.out.print(i + ", ");
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}
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} /* Output:
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Americano 0
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Latte 1
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Americano 2
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Mocha 3
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1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144,
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*///:~
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