Here you can find the source of divide(Double a, Double b)
public static Double divide(Double a, Double b)
//package com.java2s; /*// www.ja va 2 s. co m // Licensed to DynamoBI Corporation (DynamoBI) under one // or more contributor license agreements. See the NOTICE file // distributed with this work for additional information // regarding copyright ownership. DynamoBI 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. */ public class Main { public static Double divide(Double a, Double b) { if ((a == null) || (b == null) || (b.doubleValue() == 0.0)) { return null; } // For JDK 1.4 compatibility return new Double(a.doubleValue() / b.doubleValue()); // return Double.valueOf(a.doubleValue() / b.doubleValue()); } }