Java Object Compare areEqual(Object o1, Object o2)

Description

Does a generic object comparison where one or both of the objects could be null.

License

Open Source License

Declaration

public static boolean areEqual(Object o1, Object o2) 

Method Source Code

//package com.java2s;
/*/*from   w w w. ja  v a2s.  co  m*/
 * Copyright (c) 2008, SQL Power Group Inc.
 *
 * This file is part of Power*Architect.
 *
 * Power*Architect 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.
 *
 * Power*Architect 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 {
    /**
     * Does a generic object comparison where one or both of the objects could
     * be null.  If both objects are null, they are considered equal; if only
     * one is null, they are not equal; otherwise they are compared using
     * <code>o1.equals(o2)</code>.
     */
    public static boolean areEqual(Object o1, Object o2) {
        if (o1 == o2)
            return true;
        else if (o1 == null || o2 == null)
            return false;
        else
            return o1.equals(o2);
    }
}

Related

1. areEqual(Object aThis, Object aThat)
2. areEqual(Object first, Object second)
3. areEqual(Object first, Object second, boolean equalEvenIfBothNull)
4. areEqual(Object o1, Object o2)
5. areEqual(Object o1, Object o2)
6. areEqual(Object o1, Object o2)
7. areEqual(Object o1, Object o2)
8. areEqual(Object obj, Object obj2)
9. areEqual(Object obj1, Object obj2)