Java Decimal Round roundDecimals(double d, int numOfDec)

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Description

round Decimals

License

Apache License

Declaration 

public static float roundDecimals(double d, int numOfDec)

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.text.DecimalFormat;

public class Main {
    public static float roundDecimals(double d, int numOfDec) {
        if (numOfDec <= 0)
            return Math.round(d);
        String decFormatStr = "#.";
        for (int i = 0; i < numOfDec; i++)
            decFormatStr += "#";
        DecimalFormat decFormat = new DecimalFormat(decFormatStr);
        return Float.valueOf(decFormat.format(d)).floatValue();
    }/*from   w  w w .  j  a v  a  2s  .co  m*/
}

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