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Generators.java
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executable file
·31 lines (30 loc) · 867 Bytes
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//: generics/Generators.java
package generics; /* Added by Eclipse.py */
// 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,
*///:~