Here you can find the source of toBigDecimal(Number n)
public static BigDecimal toBigDecimal(Number n)
//package com.java2s; /*// www . jav a2 s . c om * Copyright 2014-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file 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 { /** * Converts a number into BigDecimal representation. */ public static BigDecimal toBigDecimal(Number n) { if (n instanceof BigDecimal) return (BigDecimal) n; return new BigDecimal(n.toString()); } }