Java Fraction Format formatDecimal(double value, int precision)

Description

Format decimal string.

License

Apache License

Parameter

Parameter	Description
value	the value
precision	the precision

Return

the string

Declaration

public static String formatDecimal(double value, int precision) 

Method Source Code

//package com.java2s;
/*/*w  ww  . j  av  a2 s. c  o m*/
 * Copyright (c) 2016 Martin Pfeffer
 *
 * 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.text.DecimalFormat;

public class Main {
    /**
     * Format decimal string.
     *
     * @param value     the value
     * @param precision the precision
     * @return the string
     */
    public static String formatDecimal(double value, int precision) {
        DecimalFormat df = getDecimalFormat(precision, "#");
        return df.format(value);
    }

    /**
     * Format decimal string.
     *
     * @param value     the value
     * @param precision the precision
     * @return the string
     */
    public static String formatDecimal(String value, int precision) {
        DecimalFormat df = getDecimalFormat(precision, "#");
        return df.format(value);
    }

    /**
     * Gets decimal format.
     *
     * @param precision the precision
     * @param force     the force
     * @return the decimal format
     */
    private static DecimalFormat getDecimalFormat(int precision, String force) {
        String s = force + ".";
        for (int i = 0; i < precision; i++)
            s += force;
        return new DecimalFormat(s);
    }
}

Related

1. formatDecimal(double dtSource, String nbit)
2. formatDecimal(double number)
3. formatDecimal(double numToFormat)
4. formatDecimal(double value)
5. formatDecimal(double value, int maxFractionDigits1, int maxFractionDigits2)
6. formatDecimal(double value, String mask)
7. formatDecimal(String format, double value)
8. formatDecimals(double d, int mantissa)
9. formatDecimals(double number)