Java Number Round roundTwoDecimals(double value)

Description

Rounds the passed value to two decimals after decimal point.

License

Open Source License

Parameter

Parameter	Description
value	The value to round.

Return

The rounded value.

Declaration

public static double roundTwoDecimals(double value) 

Method Source Code

//package com.java2s;
/*//from www .  j av  a 2  s . c  om
 * org.openmicroscopy.shoola.util.ui.UIUtilities
 *
 *------------------------------------------------------------------------------
 *  Copyright (C) 2006-2015 University of Dundee. All rights reserved.
 *
 *
 *  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 2 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, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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 *------------------------------------------------------------------------------
 */

public class Main {
    /**
     * Rounds the passed value to two decimals after decimal point.
     * 
     * @param value    The value to round.
     * @return The rounded value.
     */
    public static double roundTwoDecimals(double value) {
        return round(value, 2);
    }

    /**
     * Rounds the passed value to the specified number of decimals.
     * 
     * @param value    The value to round.
     * @param decimal    The number of figures after decimal point.
     * @return The rounded value.
     */
    public static double round(double value, int decimal) {
        if (decimal <= 0)
            return value;
        double p = Math.pow(10, decimal);
        value = value * p;
        return Math.round(value) / p;
    }
}

Related

1. RoundToStr(double value, int dec)
2. roundToString(double nb2round, int nbOfDigits)
3. roundToTop(float f)
4. roundToWord(long value)
5. roundToZero(float x)
6. roundUp(double a)
7. roundUp(double d)
8. roundUP(double d)
9. roundUp(double n)