Java Random Byte Array generateRandomBytes(int num_to_generate)

Description

Generate a random array of bytes.

License

Open Source License

Parameter

Parameter	Description
num_to_generate	number of bytes to generate

Return

random byte array

Declaration

public static byte[] generateRandomBytes(int num_to_generate) 

Method Source Code

//package com.java2s;
/*// w w w .  j a  v  a 2s . c  o m
 * Created on Dec 30, 2005
 * Created by Alon Rohter
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program 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 2
 * of the License, or (at your option) any later version.
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

import java.util.Random;

public class Main {
    public static final Random RANDOM = new Random(
            System.currentTimeMillis());

    /**
     * Generate a random array of bytes.
     * @param num_to_generate number of bytes to generate
     * @return random byte array
     */
    public static byte[] generateRandomBytes(int num_to_generate) {
        byte[] id = new byte[num_to_generate];
        RANDOM.nextBytes(id);
        return id;
    }

    public static void nextBytes(byte[] bytes) {
        RANDOM.nextBytes(bytes);
    }
}

Related

1. generateRandomByteArray(int size, Random rnd)
2. generateRandomBytes()
3. generateRandomBytes(final int pSize)
4. generateRandomBytes(int n)
5. generateRandomBytes(int num)
6. generateRandomBytes(int num_to_generate)
7. generateRandomBytes(int size)
8. getRandomByteArray(int len)
9. getRandomBytes()