Chunked streams (partitioning)

ChunkedStream.java

public class ChunkedStream<T> {

	private final List<T> elements;

	private ChunkedStream(final List<T> elements) {
		this.elements = elements;
	}

	public static <T> ChunkedStream<T> of(final List<T> elements) {
		return new ChunkedStream<T>(elements);
	}

	public Stream<List<T>> stream(final int length) {
		final int size = elements.size();
		if (elements.isEmpty()) {
			return Stream.empty();
		}

		final int chunks = (size - 1) / length;
		return IntStream.range(0, chunks + 1).mapToObj(n -> elements.subList(n * length, (n == chunks) ? size : (n + 1) * length));
	}
}