Java tutorial
//package com.java2s; /* * Copyright 2008 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 { public static BigDecimal calculatePercent(BigDecimal numerator, BigDecimal denominator) { BigDecimal result = BigDecimal.ZERO; if (numerator != null && denominator != null && (denominator.compareTo(BigDecimal.ZERO) != 0)) { result = numerator.divide(denominator, 3, BigDecimal.ROUND_HALF_UP).movePointRight(2); } return result; } public static BigDecimal calculatePercent(Integer numerator, Integer denominator) { BigDecimal result = BigDecimal.ZERO; if (numerator != null && denominator != null) { return calculatePercent(new BigDecimal(numerator.intValue()), new BigDecimal(denominator.intValue())); } return result; } }