Java Decimal Round roundNumDecimals(double d, int num)

Description

round Num Decimals

License

Open Source License

Declaration

public static double roundNumDecimals(double d, int num) 

Method Source Code

//package com.java2s;
/*/*from  w ww .  ja  v  a  2s  .  co  m*/
 * Copyright (C) 2012 t7seven7t
 *                    BangL <henno.rickowski@googlemail.com>
 *
 * This program 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, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.text.DecimalFormat;

public class Main {
    public static double roundNumDecimals(double d, int num) {
        StringBuilder format = new StringBuilder("#.");
        for (int i = 0; i < num; i++) {
            format.append("#");
        }
        DecimalFormat f = new DecimalFormat(format.toString());
        return Double.valueOf(f.format(d));
    }
}

Related

1. roundDouble(double num, int decimal)
2. roundDouble(double numero, int ceros_a_la_derecha)
3. roundDouble(Double val, int precision)
4. roundedNumber(double inVal)
5. RoundFractionalTons(double d)
6. roundOffToTwoDecimal(double value)
7. roundThreeDecimals(double d)
8. roundTwoDecimals(double d)
9. roundTwoDecimals(double d)