Java Double Number Round round(double number, int places)

Description

Rounds a number to the given number places.

License

Apache License

Parameter

Parameter	Description
number	the value to round
places	the number of decimal places

Return

rounded value

Declaration

public static double round(double number, int places) 

Method Source Code

//package com.java2s;
/* Copyright 2008 Hycel Taylor
 *
 * Licensed 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.// ww  w. j  a  v a  2s  .  c o m
 */

public class Main {
    /**
     * Rounds a number to the given number places.
     *
     * @param number the value to round
     * @param places the number of decimal places
     * @return rounded value
     */
    public static double round(double number, int places) {
        final double power = Math.pow(10, places);
        number = number * power;
        final double value = Math.round(number);
        return value / power;
    }
}

Related

1. round(double number, double multiplier)
2. round(double number, int decimal)
3. round(double number, int digit)
4. round(double number, int digits)
5. round(double number, int places)
6. round(double number, int precision)
7. round(Double number, Integer precision)
8. round(Double ret, Integer doublePrecision)
9. round(double round, int decimal, int ceilOrFloor)