Java Integer to Byte Array intToByteArray(int integer)

Description

Converts an integer into an unsigned 4-byte array.

License

Apache License

Parameter

Parameter	Description
integer	integer to convert

Return

4-byte array representing integer

Declaration

public static byte[] intToByteArray(int integer) 

Method Source Code

//package com.java2s;
/*/*  www .j  a v a2s .c  om*/
 * Copyright 2005 University Corporation for Advanced Internet Development, Inc.
 *
 * 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.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
    /**
     * Converts an integer into an unsigned 4-byte array.
     * 
     * @param integer integer to convert
     * 
     * @return 4-byte array representing integer
     */
    public static byte[] intToByteArray(int integer) {
        byte[] intBytes = new byte[4];
        intBytes[0] = (byte) ((integer & 0xff000000) >>> 24);
        intBytes[1] = (byte) ((integer & 0x00ff0000) >>> 16);
        intBytes[2] = (byte) ((integer & 0x0000ff00) >>> 8);
        intBytes[3] = (byte) ((integer & 0x000000ff));

        return intBytes;
    }
}

Related

1. intToByteArray(int data)
2. intToByteArray(int i)
3. intToByteArray(int i)
4. intToByteArray(int input)
5. intToByteArray(int integer)
6. intToByteArray(int piValueToConvert, boolean pbBigEndian)
7. intToByteArray(int pSrc, byte[] pDst, int pOffset)
8. intToByteArray(int source)
9. IntToByteArray(int val, byte[] buf, int offset)