Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.*;

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

public class Main {
    public static <T> Stream<List<T>> batches(List<T> source, 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));
    }
}