Java Integer to Byte Array intToByteArray(int value, int nrOfBytes)

Description

Converts the given int value to an array of byte of given length.

License

Open Source License

Declaration

public static final byte[] intToByteArray(int value, int nrOfBytes) 

Method Source Code

//package com.java2s;
/*//  www .  jav  a  2 s .com
Copyright 2015 Rudolf Fiala
    
This file is part of Alpheus AFP Parser.
    
Alpheus AFP Parser 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.
    
Alpheus AFP Parser 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 Alpheus AFP Parser.  If not, see <http://www.gnu.org/licenses/>
*/

public class Main {
    /**
     * Converts the given int value to an array of byte of given length. In Java an int value has the
     * size of 4 bytes.
     */
    public static final byte[] intToByteArray(int value, int nrOfBytes) {
        byte[] result = new byte[nrOfBytes];
        for (int i = 0; i < nrOfBytes && i < 4; i++) {
            result[nrOfBytes - 1 - i] = (byte) (value >>> (i * 8));
        }
        return result;
    }
}

Related

1. intToByteArray(int value)
2. intToByteArray(int value)
3. intToByteArray(int value, byte[] buffer, int offset)
4. intToByteArray(int value, byte[] data, int offset)
5. intToByteArray(int value, byte[] dest)
6. intToByteArray(int value, int numBytes)
7. intToByteArray2(final int integer)
8. intToByteArray4(int i)
9. intToByteArray4(int value)