Java BigDecimal Min minus(BigDecimal a, BigDecimal b)

Description

compute a -b

License

Apache License

Parameter

Parameter	Description
a	a parameter
b	a parameter

Declaration

public static BigDecimal minus(BigDecimal a, BigDecimal b) 

Method Source Code

//package com.java2s;
/*/*from www  .  j a  va2 s. co m*/
 * Copyright [2011] [C.H Li http://code.google.com/p/idocbox-common/]
 * Licensed to the Chunhui Li(C.H Li) under one or more contributor license agreements.  
 * See the NOTICE file distributed with this work for additional information 
 * regarding copyright ownership.
 *
 * C.H Li licenses this file to You 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.BigDecimal;

public class Main {
    /**
     * compute a -b
     * @param a
     * @param b
     * @return
     */
    public static BigDecimal minus(BigDecimal a, BigDecimal b) {
        BigDecimal bb = null;
        if (null != b) {
            BigDecimal NAV_ONE = new BigDecimal(-1);
            bb = NAV_ONE.multiply(b);
        }
        return add(a, bb);
    }

    /**
     * compute a - b.
     * @param a
     * @param b
     * @return
     */
    public static BigDecimal minus(BigDecimal a, Double b) {
        Double bb = null;
        if (null != b) {
            bb = b * (-1);
        }
        return add(a, bb);
    }

    /**
     * add two bigdecimal number.
     * @param a
     * @param b
     * @return
     */
    public static BigDecimal add(BigDecimal a, BigDecimal b) {
        BigDecimal c = new BigDecimal(0);

        if (null != a) {
            c = c.add(a);
        }
        if (null != b) {
            c = c.add(b);
        }

        return c;
    }

    /**
     * add bigdecimal with double.
     * @param a
     * @param b
     * @return
     */
    public static BigDecimal add(BigDecimal a, Double b) {
        BigDecimal bb = null;
        if (null != b) {
            bb = new BigDecimal(b);
        }
        return add(a, bb);
    }
}

Related

1. min(final BigDecimal bd1, final BigDecimal bd2)
2. min(final BigDecimal v1, final BigDecimal v2)
3. min(List numbers)
4. minimum(BigDecimal... decimals)
5. minimum(BigDecimal... values)
6. minus(BigDecimal decimal)
7. minus(BigDecimal num1, BigDecimal num2)
8. minusMultiply(BigDecimal num)
9. minValue(BigDecimal[] bigDecimalNumbers)