// See class Formatter

public class PrintfExample {
   public static void main (String args []) {
      double pi = Math.PI;
      System.out.println ("Using println default: >" + pi + "<");
      System.out.printf ("Using printf %%f - >%f<\n", pi);
      System.out.printf ("Using printf %%.2f - >%.2f<\n", pi);
      System.out.printf ("Using printf, formatting money $ %%(,.2f - >$ %(,.2f<\n", 1000000*pi);
      System.out.printf ("Using printf, formatting money $ %%(,.2f - >$ %(,.2f<\n", -1000000*pi);
   } // end method main
} // end PrintfExample