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>> chunked(Iterable<T> iterable, int chunkSize) {
        List<T> list = toList(iterable);
        return batches(list, chunkSize);
    }

    public static <T> List<T> toList(Iterable<T> iterable) {
        List<T> temp = new ArrayList<>();
        iterable.forEach(temp::add);
        return temp;
    }

    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));
    }
}