How to change the decimal separator of DecimalFormat from comma to dot/point in java?

How to change the decimal separator of DecimalFormat from comma to dot/point in java?

To change the decimal separator of DecimalFormat from a comma to a dot (point) in Java, you can use the setDecimalFormatSymbols method to customize the DecimalFormatSymbols used by the DecimalFormat. Specifically, you need to set the DecimalFormatSymbols to use a dot as the decimal separator.

Here's an example:

import java.text.DecimalFormat; import java.text.DecimalFormatSymbols; import java.util.Locale; public class DecimalSeparatorExample { public static void main(String[] args) { // Create a DecimalFormatSymbols object with a dot as the decimal separator DecimalFormatSymbols symbols = new DecimalFormatSymbols(Locale.US); // Set the DecimalFormatSymbols for the DecimalFormat DecimalFormat decimalFormat = new DecimalFormat("#.##", symbols); // Format a number with the dot as the decimal separator double number = 12345.67; String formattedNumber = decimalFormat.format(number); System.out.println("Formatted number: " + formattedNumber); } }

In this example:

  1. We create a DecimalFormatSymbols object named symbols using Locale.US. The Locale.US specifies the United States locale, which uses a dot as the decimal separator.

  2. We create a DecimalFormat object named decimalFormat and pass the symbols object as an argument. This associates the DecimalFormat with the custom decimal separator.

  3. We format a number (12345.67) using the decimalFormat object, which now uses a dot as the decimal separator.

The output will show the number formatted with a dot as the decimal separator:

Formatted number: 12345.67

By customizing the DecimalFormatSymbols and associating it with the DecimalFormat, you can control the decimal separator used when formatting numbers with DecimalFormat.

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