Java tutorial
//package com.java2s; /* * Copyright 2009 The Kuali Foundation. * * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php * * 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 { /** * Divides two decimals and applies the given scale and a ROUND_HALF_UP. This method should be used only for the final result * calculation. For example if we have something like this: (axb)/c the rules should be applied to the result of the division * only and not all the computations that give us the final result. * * @param dividend the dividend * @param divisor the divisor * @param scale the scale for the result * @return the result of the division after the scale and rounding are applied */ public static BigDecimal divide(BigDecimal dividend, BigDecimal divisor, int scale) { BigDecimal result = BigDecimal.ZERO; if (dividend != null && divisor != null && !divisor.equals(BigDecimal.ZERO)) { result = dividend.divide(divisor, scale, BigDecimal.ROUND_HALF_UP); } return result; } }