Here you can find the source of roundToDecimals(double doubleValue)
public static double roundToDecimals(double doubleValue)
//package com.java2s; /**/*w w w . j a v a2 s. c o m*/ * * Initial version of this code (c) 2009-2011 Media Tuners LLC with a full license to Pioneer Corporation. * * Pioneer Corporation 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 roundToDecimals(double doubleValue) { return (roundToDecimals(doubleValue, 6)); } public static double roundToDecimals(double doubleValue, int decimalPlaces) { int intValue = (int) ((doubleValue * Math.pow(10, decimalPlaces))); return (((double) intValue) / Math.pow(10, decimalPlaces)); } }