Java xor xorOperation(String r1, String r2)

Description

Performs a bitwise XOR between passed strings

License

Open Source License

Parameter

Parameter	Description
r1	First string
r2	Second string

Declaration

public static String xorOperation(String r1, String r2) 

Method Source Code

//package com.java2s;
/*/*  w w w  .  j a va 2s . c  om*/
 * InstructionsUtils.java
 *
 * 15th may 2006
 * Utils for the MIPS64 Instruction Set
 * (c) 2006 EduMips64 project - Trubia Massimo, Russo Daniele
 *
 * This file is part of the EduMIPS64 project, and is released under the GNU
 * General Public License.
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

public class Main {
    /** Performs a bitwise XOR between passed strings
     *  @param r1 First string
     *  @param r2 Second string
     */

    public static String xorOperation(String r1, String r2) {
        String result = "";

        for (int i = 0; i < 64; i++) {
            if ((r1.charAt(i) == '1') && (r2.charAt(i) == '1'))
                result += '0';
            else if ((r1.charAt(i) == '1') && (r2.charAt(i) == '0'))
                result += '1';
            else if ((r1.charAt(i) == '0') && (r2.charAt(i) == '1'))
                result += '1';
            else
                result += '0';
        }
        return result;
    }
}

Related

1. xorInPlace(byte[] source, int sourceOffset, byte[] destination, int destinationOffset, int size)
2. xorInt64OverBytesLE(long val, byte[] data, int ofs)
3. XORInto(byte[] dest, byte[] src)
4. xorLong(byte[] aBuffer, int aOffset, long aValue)
5. xorMV(byte[] i_Value)
6. xorSalsa8(int di, int xi, int[] X)
7. xorShift(int x)