Java Vector Compare equalVectors(Vector aV1, Vector aV2)

Description

compares two Vector instances.

License

Open Source License

Parameter

Parameter	Description
aV1	First Vector instance to compare.
aV2	Second Vector instance to compare.

Return

true if Vector's are equal; false otherwise.

Declaration

public static boolean equalVectors(Vector aV1, Vector aV2) 

Method Source Code

//package com.java2s;
/***********************************************************
 Copyright (C) 2004 VeriSign, Inc.//from w w w  .  j av a 2 s .c o  m

 This library 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; either
 version 2.1 of the License, or (at your option) any later version.

 This library 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
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 http://www.verisign.com/nds/naming/namestore/techdocs.html
 ***********************************************************/

import java.util.*;

public class Main {
    /**
     * compares two <code>Vector</code> instances. The Java 1.1
     * <code>Vector</code> class does not implement the <code>equals</code>
     * methods, so <code>equalVectors</code> was written to implement
     * <code>equals</code> of two <code>Vectors</code> (aV1 and aV2). This
     * method is not need for Java 2.
     * 
     * @param aV1
     *            First Vector instance to compare.
     * @param aV2
     *            Second Vector instance to compare.
     * @return <code>true</code> if Vector's are equal; <code>false</code>
     *         otherwise.
     */
    public static boolean equalVectors(Vector aV1, Vector aV2) {
        if ((aV1 == null) && (aV2 == null)) {
            return true;
        }

        else if ((aV1 != null) && (aV2 != null)) {
            if (aV1.size() != aV2.size()) {
                return false;
            }

            for (int i = 0; i < aV1.size(); i++) {
                Object elm1 = aV1.elementAt(i);
                Object elm2 = aV2.elementAt(i);

                if (!((elm1 == null) ? (elm2 == null) : elm1.equals(elm2))) {
                    return false;
                }
            }

            return true;
        } else {
            return false;
        }
    }
}

Related

1. equals(Vector vFirst_, Vector vSecond_)
2. isEquals(Object[] array, Vector vector)
3. isIdentical(Object[] array, Vector vector)