Here you can find the source of round(final BigDecimal input, final int precision)
public static BigDecimal round(final BigDecimal input, final int precision)
//package com.java2s; /*/*from w ww . jav a2s. c o m*/ * * Copyright 2012-2014 Eurocommercial Properties NV * * * 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. */ import java.math.BigDecimal; import java.math.MathContext; public class Main { public static BigDecimal round(final BigDecimal input, final int precision) { final MathContext mc = new MathContext(precision + 1); return input.round(mc); } }