Lazy/functional-ish take 25 squares of integers in Java

Functional.java

import java.util.*;

public class Functional {
    public static void main(String args[]) {
        System.out.println(take(25,squaresOf(integers())));
    }

    private static List<Integer> take(int numToTake, Iterable<Integer> seq) {
        List<Integer> results = new ArrayList<Integer>();
        Iterator<Integer> iterator = seq.iterator();
        for(int i=0;i<numToTake;i++) {
            if (iterator.hasNext()) {
                results.add(iterator.next());
            }
        }
        return results;
    }

    private static Iterable<Integer> squaresOf(final Iterable<Integer> seq) {
        return new Iterable<Integer>() {
            public Iterator<Integer> iterator() {
                return new SquaringIterator(seq.iterator());
            }
        };
    }

    private static Iterable<Integer> integers() {
        return new Iterable<Integer>() {
            public Iterator<Integer> iterator() {
                return new IntegersIterator();
            }
        };
    }

    private static class SquaringIterator implements Iterator<Integer> {
        private Iterator<Integer> original;
        public SquaringIterator(Iterator<Integer> iter) {
            original = iter;
        }
        public boolean hasNext() {
            return original.hasNext();
        }
        public Integer next() {
            int value = original.next();
            return value * value;
        }
        public void remove() {
            original.remove();
        }
    }

    private static class IntegersIterator implements Iterator<Integer> {
        private int nextInt = 0;
        public boolean hasNext() {
            return nextInt < Integer.MAX_VALUE;
        }
        public Integer next() {
            if (!hasNext()) {
                throw new NoSuchElementException();
            }
            nextInt++;
            return nextInt - 1;
        }
        public void remove() {
            throw new UnsupportedOperationException();
        }
    }
}