Java Double Number to String doubleToString(double d, int precision)

Description

Converts a double to a string.

License

Open Source License

Parameter

Parameter	Description
d	double to be converted
precision	rounding precision

Return

a string representing the passed double value

Declaration

public static String doubleToString(double d, int precision) 

Method Source Code

//package com.java2s;
/*/*from  ww  w. j av a 2s.  co  m*/
 * JSwiff is an open source Java API for Macromedia Flash file generation
 * and manipulation
 *
 * Copyright (C) 2004-2005 Ralf Terdic (contact@jswiff.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 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

import java.text.DecimalFormat;

public class Main {
    /** Default rounding precision (digits after decimal point) */
    public static final int DEFAULT_ROUND_PRECISION = 16;
    private static DecimalFormat df;

    /**
     * Converts a double to a string. You can specify the rounding precision,
     * i.e. the number of digits after the decimal point.
     *
     * @param d double to be converted
     * @param precision rounding precision
     *
     * @return a string representing the passed double value
     */
    public static String doubleToString(double d, int precision) {
        synchronized (df) {
            df.setMaximumFractionDigits(precision);
            return df.format(d);
        }
    }

    /**
     * Converts a double to a string. The default rounding precision is used.
     *
     * @param d double to be converted
     *
     * @return a string representing the passed double value
     */
    public static String doubleToString(double d) {
        return doubleToString(d, DEFAULT_ROUND_PRECISION);
    }
}

Related

1. doubleToStr(double origin, int decimals)
2. doubleToStr1(double d)
3. doubleToStrFormatado(Double valor)
4. doubleToString(double d)
5. doubleToString(double d, int df)
6. doubleToString(Double d, String format)
7. doubleToString(double dnum)
8. doubleToString(Double num)
9. doubleToString(double val, int maxFractionDigits)