Class with a utility method to divide a list in diferent chunks and returns a Stream of lists

StreamUtil.java

import java.util.List;
import java.util.stream.IntStream;
import java.util.stream.Stream;

public class StreamUtil {
    public static <T> Stream<List<T>> buffer(final List<T> source, final int length) {
        if (length <= 0) throw new IllegalArgumentException("length = " + length);
        int size = source.size();
        if (size <= 0) return Stream.empty();
        int fullChunks = (size - 1) / length;
        return IntStream.range(0, fullChunks + 1).mapToObj(
            n -> source.subList(n * length, n == fullChunks ? size : (n + 1) * length));
    }
}