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By default, DecimalFormat object is using the JVM”s locale. We can change the default locale while creating the DecimalFormat object using NumberFormat class. In the example below, we”ll use same pattern for two different locale and you can spot the difference in the output.
Example
import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.Locale; public class I18NTester { public static void main(String[] args) { String pattern = "###.##"; double number = 123.45; Locale enlocale = new Locale("en", "US"); Locale dalocale = new Locale("da", "DK"); DecimalFormat decimalFormat = (DecimalFormat) NumberFormat.getNumberInstance(enlocale); decimalFormat.applyPattern(pattern); System.out.println(decimalFormat.format(number)); decimalFormat = (DecimalFormat) NumberFormat.getNumberInstance(dalocale); decimalFormat.applyPattern(pattern); System.out.println(decimalFormat.format(number)); } }
Output
It will print the following result.
123.45 123,45
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