Java BigInteger Calculate sum(BigInteger... values)

Description

Sums an array of BigIntegers, ignoring null values.

License

Apache License

Parameter

Parameter	Description
values	an array of BigInteger .

Return

a .

Declaration

public static BigInteger sum(BigInteger... values) 

Method Source Code

//package com.java2s;
/*/*from   w w w. j  av  a2 s .c o m*/
 * Copyright 2015-2016 USEF Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.math.BigInteger;

public class Main {
    /**
     * Sums an array of BigIntegers, ignoring null values.
     *
     * @param values an array of {@link BigInteger}.
     * @return a {@link BigInteger}.
     */
    public static BigInteger sum(BigInteger... values) {
        int count = 0;
        BigInteger total = BigInteger.ZERO;
        for (BigInteger value : values) {
            if (value == null) {
                continue;
            }
            count++;
            total = total.add(value);
        }
        if (count > 0) {
            return total;
        }
        return null;
    }
}

Related

1. sqrt(BigInteger n)
2. square(BigInteger x)
3. subArray(BigInteger[] input, int start, int end)
4. substring(final String lhs, final BigInteger _start, final BigInteger _end)
5. sum(BigInteger valueA, BigInteger valueB)
6. sumOfDigits(BigInteger ab)
7. sumOfDigits(BigInteger n)
8. trim(BigInteger bi)
9. trim(BigInteger n)