Here you can find the source of shuffled(List
public static List<Integer> shuffled(List<Integer> list, Random random)
//package com.java2s; /*/*from w w w .j a va 2s. co m*/ * This file is part of the Spider Web Framework. * * The Spider Web Framework is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The Spider Web Framework is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with the Spider Web Framework. If not, see <http://www.gnu.org/licenses/>. */ import java.util.Collections; import java.util.List; import java.util.Random; public class Main { /** * @return list, after shuffling */ public static List<Integer> shuffled(List<Integer> list, Random random) { Collections.shuffle(list, random); return list; } }