Java Random Byte Array getRandomBytes(int size)

Description

Gets a byte array of length size with random bytes.

License

Open Source License

Parameter

Parameter	Description
size	the required length of the random byte array.

Return

a byte array of length size with random bytes.

Declaration

public static byte[] getRandomBytes(int size) 

Method Source Code

//package com.java2s;
/**/*from w  w w  .  jav  a  2  s  .c o  m*/
 * Copyright 2016 LinkedIn Corp. All rights reserved.
 *
 * 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.
 */

import java.util.Random;

public class Main {
    /**
     * Gets a byte array of length {@code size} with random bytes.
     * @param size the required length of the random byte array.
     * @return a byte array of length {@code size} with random bytes.
     */
    public static byte[] getRandomBytes(int size) {
        byte[] bytes = new byte[size];
        new Random().nextBytes(bytes);
        return bytes;
    }
}

Related

1. generateRandomBytes(int num_to_generate)
2. generateRandomBytes(int size)
3. getRandomByteArray(int len)
4. getRandomBytes()
5. getRandomBytes(int size)
6. nextBytes(byte[] bytes)
7. nextBytes(int count)
8. nextBytes(int length)
9. randBytes(int length)