Java Decimal Round roundedNumber(double inVal)

Description

Format a number to a sensible precision

License

Open Source License

Parameter

Parameter	Description
inVal	value to format

Return

formatted String using local format

Declaration

public static String roundedNumber(double inVal) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.text.NumberFormat;

public class Main {
    /** Flexible number formatter with different decimal places */
    private static final NumberFormat FORMAT_FLEX = NumberFormat.getNumberInstance();

    /**/*from   ww w  .ja v a2 s . c  o  m*/
     * Format a number to a sensible precision
     * @param inVal value to format
     * @return formatted String using local format
     */
    public static String roundedNumber(double inVal) {
        // Set precision of formatter
        int numDigits = 0;
        if (inVal < 1.0)
            numDigits = 3;
        else if (inVal < 10.0)
            numDigits = 2;
        else if (inVal < 100.0)
            numDigits = 1;
        // set formatter
        FORMAT_FLEX.setMaximumFractionDigits(numDigits);
        FORMAT_FLEX.setMinimumFractionDigits(numDigits);
        return FORMAT_FLEX.format(inVal);
    }
}

Related

1. roundDistanceFromMeterToKm(final double distanceInMeter)
2. roundDouble(double iVal)
3. roundDouble(double num, int decimal)
4. roundDouble(double numero, int ceros_a_la_derecha)
5. roundDouble(Double val, int precision)
6. RoundFractionalTons(double d)
7. roundNumDecimals(double d, int num)
8. roundOffToTwoDecimal(double value)
9. roundThreeDecimals(double d)