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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.text.DecimalFormat;
  4. import java.text.NumberFormat;
  5. import java.util.Locale;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. DecimalFormat formatter = (DecimalFormat)NumberFormat.getNumberInstance(Locale.US);
  13. formatter.applyPattern(".###");
  14. System.out.format(formatter.format(0.54555));
  15. }
  16. }
Success #stdin #stdout 0.14s 56692KB
stdin
Standard input is empty
stdout
.546