Java Hex Calculate toHex(byte[] b)

Description

Return a hexadecimal representation of a byte array

License

Apache License

Parameter

Parameter	Description
b	a byte array

Return

String containing the hexadecimal representation

Declaration

public static String toHex(byte[] b) 

Method Source Code

//package com.java2s;
/*/*ww  w  .j  av  a2 s.c om*/
 * Copyright 1999-2010 University of Chicago
 *
 * 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 {
    private static final char[] HEX = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E',
            'F' };

    /**
     * Return a hexadecimal representation of a byte array
     *
     * @param b a byte array
     * @return String containing the hexadecimal representation
     */
    public static String toHex(byte[] b) {
        char[] buf = new char[b.length * 2];
        int j = 0;
        int k;

        for (byte aB : b) {
            k = aB;
            buf[j++] = HEX[(k >>> 4) & 0x0F];
            buf[j++] = HEX[k & 0x0F];
        }
        return new String(buf);
    }
}

Related

1. toHex(byte[] array)
2. toHex(byte[] array, int offset, int length)
3. toHex(byte[] b)
4. toHex(byte[] b)
5. toHex(byte[] b)
6. toHex(byte[] b)
7. toHex(byte[] b, int off, int len, String separator)
8. toHEX(byte[] ba)
9. toHex(byte[] buffer)