Java Number Add add(double v1, double v2)

Description

add

License

Open Source License

Declaration

public static double add(double v1, double v2) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.math.BigDecimal;

public class Main {
    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();
    }/*  ww w . j  a  v a2s .c o  m*/

    public static String add(String v1, String v2) {
        BigDecimal b1 = new BigDecimal(v1);
        BigDecimal b2 = new BigDecimal(v2);
        return b1.add(b2).toString();
    }

    public static String toString(Object object, String defaultvalue) {
        if (object == null) {
            return defaultvalue;
        }
        if (object instanceof String) {
            return (String) object;
        }
        return object.toString();
    }

    public static String toString(Object[] obj) {
        if (obj == null) {
            return null;
        }
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < obj.length; i++) {
            sb.append(obj[i]);
            if (i < obj.length - 1) {
                sb.append(",");
            }
        }
        return sb.toString();
    }
}

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