Format to 2 decimal places in a 16-character field : Formatter Field Width « Development « Java Tutorial






  1. Java Tutorial
  2. Development
  3. Formatter Field Width
import java.util.Formatter;

public class MainClass {
  public static void main(String args[]) {
    Formatter fmt = new Formatter();

    fmt = new Formatter();
    fmt.format("%16.2e", 123.1234567);
    System.out.println(fmt);

  }
}

1.23e+02








6.7.Formatter Field Width
6.7.1.Specifying a Minimum Field Width
6.7.2.The minimum field width specifier by applying it to the %f conversion
6.7.3.To produce tables with the columns lining up
6.7.4.Format to 2 decimal places in a 16-character field
6.7.5.Displaying at most 15 characters in a string
6.7.6.Limit the number of decimal digits by specifying the precision