Java Hex Calculate toHexString(byte[] b, int off, int len)

Here you can find the source of toHexString(byte[] b, int off, int len)

Description

Convert a byte array to a big-endian ordered hexadecimal string.

License

Open Source License

Parameter

Parameter Description
b The bytes to convert.

Return

A hexadecimal representation to b.

Declaration

public static String toHexString(byte[] b, int off, int len) 

Method Source Code

//package com.java2s;
/*//from   ww  w . ja  va 2 s  . c  om
 * Copyright (C) 2012 McEvoy Software Ltd
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

public class Main {
    /** Hexadecimal digits. */
    private static final char[] HEX_DIGITS = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd',
            'e', 'f' };

    /**
     * Convert a byte array to a big-endian ordered hexadecimal string.
     *
     * @param b The bytes to convert.
     * @return A hexadecimal representation to <tt>b</tt>.
     */
    public static String toHexString(byte[] b) {
        return toHexString(b, 0, b.length);
    }

    /**
     * Convert a byte array to a big-endian ordered hexadecimal string.
     *
     * @param b The bytes to convert.
     * @return A hexadecimal representation to <tt>b</tt>.
     */
    public static String toHexString(byte[] b, int off, int len) {
        char[] buf = new char[len * 2];
        for (int i = 0, j = 0, k; i < len;) {
            k = b[off + i++];
            buf[j++] = HEX_DIGITS[(k >>> 4) & 0x0F];
            buf[j++] = HEX_DIGITS[k & 0x0F];
        }
        return new String(buf);
    }
}

Related

  1. toHexString(byte[] b)
  2. toHexString(byte[] b)
  3. toHexString(byte[] b)
  4. toHexString(byte[] b)
  5. toHexString(byte[] b, int off, int len)
  6. toHexString(byte[] ba)
  7. toHexString(byte[] ba)
  8. toHexString(byte[] ba, int offset, int length)
  9. toHexString(byte[] binary)