Java List Split split(List list, int divide)

Description

split

License

Open Source License

Declaration

public static <V> ArrayList<List<V>> split(List<V> list, int divide) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.ArrayList;

import java.util.List;

public class Main {
    public static <V> ArrayList<List<V>> split(List<V> list, int divide) {
        int remain = list.size() % divide;
        int size = (list.size() - remain) / divide;

        ArrayList<List<V>> toReturn = new ArrayList<List<V>>();

        for (int i = 0; i < divide; i++) {
            toReturn.add(i, new ArrayList<V>());
        }//  w w w. j  av a 2 s. c o m

        for (List<V> iterSet : toReturn) {
            List<V> removed = new ArrayList<V>();

            int toAdd = size;

            if (remain > 0) {
                remain--;
                toAdd++;
            }

            for (V obj : list) {
                if (toAdd == 0) {
                    break;
                }

                iterSet.add(obj);
                removed.add(obj);
                toAdd--;
            }

            for (V obj : removed) {
                list.remove(obj);
            }
        }

        return toReturn;
    }
}

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