Java Char to Hex charToHex(char c)

Description

Returns hex String representation of char c, that is, the hex digits of the Unicode code point for the character.

License

Open Source License

Parameter

Parameter	Description
c	Character to process.

Return

Hex string of the character's code point.

Declaration

static public String charToHex(char c) 

Method Source Code

//package com.java2s;
/*--------------------------------------------------------------------------------
 Copyright (C) 2002, 2004 ISOGEN International

 http://www.isogen.com//from w  w w . j a va 2  s.  c om

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation.

 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 Lesser General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 --------------------------------------------------------------------------------*/

public class Main {
    /**
     * Returns hex String representation of char c, that is, the hex
     * digits of the Unicode code point for the character.
     * @param c Character to process.
     * @return Hex string of the character's code point.
     */
    static public String charToHex(char c) {
        // Returns hex String representation of char c
        byte hi = (byte) (c >>> 8);
        byte lo = (byte) (c & 0xff);
        return byteToHex(hi) + byteToHex(lo);
    }

    /**
     * Converts a byte to the string representation of its hex value. 
     * @param b The byte to process.
     * @return A string consisting of hex digits.
     */
    static public String byteToHex(byte b) {
        // Returns hex String representation of byte b
        char hexDigit[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8',
                '9', 'a', 'b', 'c', 'd', 'e', 'f' };
        char[] array = { hexDigit[(b >> 4) & 0x0f], hexDigit[b & 0x0f] };
        return new String(array);
    }
}

Related

1. char2Hex(char c)
2. charToHex(char c)
3. charToHex(char c)
4. charToHexdigit(final byte c)