NumberFormatRounding.java Source code

Introduction

Here is the source code for NumberFormatRounding.java

Source

import java.math.RoundingMode;
import java.text.NumberFormat;

public class NumberFormatRounding {
    public static void main(String[] args) {
        NumberFormat nf = NumberFormat.getNumberInstance();
        nf.setMaximumFractionDigits(2);
        nf.setRoundingMode(RoundingMode.HALF_DOWN);
        System.out.println("Default rounding mode: " + nf.getRoundingMode());
        System.out.println("123.454 rounds to " + nf.format(123.454));
        System.out.println("123.455 rounds to " + nf.format(123.455));
        System.out.println("123.456 rounds to " + nf.format(123.456));
        System.out.println();

        nf.setRoundingMode(RoundingMode.FLOOR);
        System.out.println("Default rounding mode: " + nf.getRoundingMode());
        System.out.println("123.454 rounds to " + nf.format(123.454));
        System.out.println("123.455 rounds to " + nf.format(123.455));
        System.out.println("123.456 rounds to " + nf.format(123.456));
        System.out.println();

        nf.setMaximumFractionDigits(2);
        nf.setRoundingMode(RoundingMode.CEILING);
        System.out.println("Default rounding mode: " + nf.getRoundingMode());
        System.out.println("123.454 rounds to " + nf.format(123.454));
        System.out.println("123.455 rounds to " + nf.format(123.455));
        System.out.println("123.456 rounds to " + nf.format(123.456));
        System.out.println();

    }
}