Here you can find the source of format(BigDecimal n, int prec)
public static BigDecimal format(BigDecimal n, int prec)
//package com.java2s; /**/*ww w . j av a2s . com*/ * This file is part of impotch/util. * * impotch/util is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License. * * impotch/util is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with impotch/util. If not, see <http://www.gnu.org/licenses/>. */ import java.math.BigDecimal; public class Main { private static final int DEFAULT_ROUNDING_MODE = BigDecimal.ROUND_HALF_DOWN; public static BigDecimal format(BigDecimal n, int prec) { return n.setScale(prec, DEFAULT_ROUNDING_MODE); } }