Java Number Add add(double v1, double v2)

Description

Addition for two double value

License

Open Source License

Parameter

Parameter	Description
v1	<code>double</code>
v2	<code>double</code>

Return

addition result

Declaration

public static double add(double v1, double v2) 

Method Source Code

//package com.java2s;
/*/*from  www .  j a  va  2 s.  co m*/
 * File: $RCSfile$
 *
 * Copyright (c) 2005 Wincor Nixdorf International GmbH,
 * Heinz-Nixdorf-Ring 1, 33106 Paderborn, Germany
 * All Rights Reserved.
 *
 * This software is the confidential and proprietary information
 * of Wincor Nixdorf ("Confidential Information"). You shall not
 * disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered
 * into with Wincor Nixdorf.
 */

import java.math.BigDecimal;

public class Main {
    /**
     * Addition for two double value
     *
     * @param v1 <code>double</code>
     * @param v2 <code>double</code>
     * @return addition result
     */
    public static double add(double v1, double v2) {
        BigDecimal b1 = new BigDecimal(Double.toString(v1));
        BigDecimal b2 = new BigDecimal(Double.toString(v2));
        return b1.add(b2).doubleValue();
    }

    /**
     * Addition for two integer value
     *
     * @param v1 <code>Integer</code>
     * @param v2 <code>Integer</code>
     * @return addition result
     */
    public static Integer add(Integer v1, Integer v2) {
        if (v1 == null && v2 == null) {
            return null;
        }
        if (v1 == null) {
            v1 = new Integer(0);
        }
        if (v2 == null) {
            v2 = new Integer(0);
        }
        return new Integer(v1.intValue() + v2.intValue());
    }

    /**
     * Addition for two <code>java.math.BigDecimal</code> value
     *
     * @param v1 <code>java.math.BigDecimal</code>
     * @param v2 <code>java.math.BigDecimal</code>
     * @return addition result
     */
    public static BigDecimal add(BigDecimal v1, BigDecimal v2) {
        if (v1 == null && v2 == null) {
            return null;
        }
        if (v1 == null) {
            v1 = new BigDecimal(0);
        }
        if (v2 == null) {
            v2 = new BigDecimal(0);
        }
        return v1.add(v2);
    }
}

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