Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * #%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;
    }
}