Java xor xor(boolean b1, boolean b2)

Description

Concatenate two booleans with the operation "XOR"

License

Open Source License

Parameter

Parameter	Description
b1	- the first boolean
b2	- the second boolean

Return

the result (b1 != b2)

Declaration

public static boolean xor(boolean b1, boolean b2) 

Method Source Code

//package com.java2s;
/**//from w w w.j  a va 2 s .c  om
 * Syncnapsis Framework - Copyright (c) 2012-2014 ultimate
 * 
 * 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 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 MECHANTABILITY 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 Plublic License along with this program;
 * if not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    /**
     * Concatenate two booleans with the operation "XOR"<br>
     * 
     * @param b1 - the first boolean
     * @param b2 - the second boolean
     * @return the result (b1 != b2)
     */
    public static boolean xor(boolean b1, boolean b2) {
        return (b1 != b2);
    }

    /**
     * Concatenate two booleans with the operation "XOR"<br>
     * 
     * @param b1 - the first boolean
     * @param b2 - the second boolean
     * @return the result (b1 != b2)
     */
    public static boolean xor(Boolean b1, Boolean b2) {
        if (b1 == null)
            throw new IllegalArgumentException("The given Boolean b1 is null.");
        if (b2 == null)
            throw new IllegalArgumentException("The given Boolean b2 is null.");
        return (b1 != b2);
    }

    /**
     * Concatenate more than two booleans with the operation "XOR"<br>
     * 
     * @param b - the array of booleans
     * @return the result (exactly one boolean is true)
     */
    public static boolean xor(boolean[] b) {
        if (b == null)
            throw new IllegalArgumentException("The given Array of Boolean b is null.");
        if (b.length == 0)
            throw new IllegalArgumentException("The given Array of Boolean contains no elements.");
        int numberOfTrues = 0;
        for (int i = 0; i < b.length; i++) {
            if (b[i])
                numberOfTrues++;
        }
        return (numberOfTrues == 1);
    }

    /**
     * Concatenate more than two booleans with the operation "XOR"<br>
     * 
     * @param b - the array of booleans
     * @return the result (exactly one boolean is true)
     */
    public static boolean xor(Boolean... b) {
        if (b == null)
            throw new IllegalArgumentException("The given Array of Boolean b is null.");
        if (b.length == 0)
            throw new IllegalArgumentException("The given Array of Boolean contains no elements.");
        int numberOfTrues = 0;
        for (int i = 0; i < b.length; i++) {
            if (b[i] == null)
                throw new IllegalArgumentException(
                        "The given Array of Boolean contains a null element: index " + i + ".");
            if (b[i])
                numberOfTrues++;
        }
        return (numberOfTrues == 1);
    }
}

Related

1. xor(boolean a, boolean b)
2. xor(boolean a[], boolean b[])
3. xor(boolean b1, boolean b2)
4. xor(boolean o, boolean t)
5. xor(boolean val1, boolean val2)
6. xOr(boolean x, boolean y)
7. xor(boolean... bools)