package generics;

import java.util.*;

import net.mindview.util.*;

/**

* RUN:

* javac generics/IterableFibonacci.java && java generics.IterableFibonacci

* OUTPUT:

* 1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 1597 2584

*/

public class IterableFibonacci extends Fibonacci implements Iterable<Integer> {

private int n;

public IterableFibonacci(int count) { n = count; }

public Iterator<Integer> iterator() {

return new Iterator<Integer>() {

public boolean hasNext() { return n > 0; }

public Integer next() {

n--;

return IterableFibonacci.this.next();

}

public void remove() {

throw new UnsupportedOperationException();

}

};

}

public static void main(String[] args) {

for (int i : new IterableFibonacci(18)) {

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

}

}

}