Here you can find the source of splitList(List
| Parameter | Description |
|---|---|
| list | Liste originale |
| subListNumber | Nombre de sous-listes souhaitees |
public static <T> List<List<T>> splitList(List<T> list, int subListNumber)
//package com.java2s; /*// w w w . j av a 2 s. c om * #%L * DROOLS SERVER * $Id:$ * $HeadURL:$ * %% * Copyright (C) 2013 - 2014 Leadware * %% * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * #L% */ import java.util.ArrayList; import java.util.List; public class Main { /** * Methode permettant de splitter une liste en un certain nombre de sous-listes * @param list Liste originale * @param subListNumber Nombre de sous-listes souhaitees * @return Liste de sous-liste splittee */ public static <T> List<List<T>> splitList(List<T> list, int subListNumber) { // Liste a retourner List<List<T>> splitted = new ArrayList<List<T>>(); // Si la liste est vide if (list == null || list.size() == 0) return splitted; // Taille de la liste int listSize = list.size(); // Nombre d'elements de la liste int subSize = Math.max(listSize / (subListNumber - 1), 1); // Parcours de la liste a splitter for (int i = 0; i < listSize; i += subSize) { // Ajout de la sous-liste splitted.add(new ArrayList<T>(list.subList(i, Math.min(listSize, i + subSize)))); } // On retourne la liste des sous-listes return splitted; } }