Java ArrayList Shuffle shuffle(ArrayList l)

Description

shuffle

License

Open Source License

Declaration

public static ArrayList shuffle(ArrayList l) 

Method Source Code

//package com.java2s;
/*/*from  w  ww .  j  a  v  a2  s  .c  o m*/
 * The MIT License (MIT)
 *
 * Copyright (c) 2014 Ben Howell
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import java.util.*;

public class Main {
    public static List shuffle(List l) {
        long seed = System.nanoTime();
        Collections.shuffle(l, new Random(seed));
        return l;
    }

    public static ArrayList shuffle(ArrayList l) {
        long seed = System.nanoTime();
        Collections.shuffle(l, new Random(seed));
        return l;
    }
}

Related

1. shuffle(ArrayList population, int sample)