Java Object Equal equals(Object o1, Object o2)

Description

equals

License

Open Source License

Declaration

public static boolean equals(Object o1, Object o2) 

Method Source Code

//package com.java2s;
/*/*from  w  ww.j a  v a2s . com*/
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

import java.util.Arrays;

public class Main {
    public static boolean equals(Object o1, Object o2) {
        if (o1 == null) {
            return o2 == null;
        }

        if (o2 != null && o1.getClass().isArray() && o2.getClass().isArray()) {
            try {
                return Arrays.deepEquals((Object[]) o1, (Object[]) o2);
            } catch (ClassCastException ignore) {
            }

            try {
                return Arrays.equals((boolean[]) o1, (boolean[]) o2);
            } catch (ClassCastException ignore) {
            }

            try {
                return Arrays.equals((byte[]) o1, (byte[]) o2);
            } catch (ClassCastException ignore) {
            }

            try {
                return Arrays.equals((char[]) o1, (char[]) o2);
            } catch (ClassCastException ignore) {
            }

            try {
                return Arrays.equals((double[]) o1, (double[]) o2);
            } catch (ClassCastException ignore) {
            }

            try {
                return Arrays.equals((float[]) o1, (float[]) o2);
            } catch (ClassCastException ignore) {
            }

            try {
                return Arrays.equals((int[]) o1, (int[]) o2);
            } catch (ClassCastException ignore) {
            }

            try {
                return Arrays.equals((long[]) o1, (long[]) o2);
            } catch (ClassCastException ignore) {
            }

            try {
                return Arrays.equals((short[]) o1, (short[]) o2);
            } catch (ClassCastException ignore) {
            }
        }

        return o1.equals(o2);
    }
}

Related

1. equalObjects(Object object1, Object object2)
2. equals(BSONObject a, BSONObject b)
3. equals(final Object a, final Object b)
4. equals(Object a, Object b)
5. Equals(Object in1, Object in2)
6. equals(Object o1, Object o2)
7. equals(Object o1, Object o2)
8. equals(Object object1, Object object2)
9. equals(Object thisObj, Object thatObj)