Presented below is an interesting Locale example

Java Code:
Locale deLocale = new Locale("de");
Locale enLocale = new Locale("en");

NumberFormat nf_en = NumberFormat.getInstance(enLocale);
System.out.println("Formatted text (en): " + nf_en.format(734547.3343));

NumberFormat nf_de = NumberFormat.getInstance(deLocale);
System.out.println("Formatted text (de): " + nf_de.format(734547.3343));
Output:

Java Code:
Formatted text (en): 734,547.334
Formatted text (de): 734.547,334