The Java Program: Number.java

  1 import java.text.NumberFormat;
  2 import java.text.DecimalFormat;
  3 
  4 public class Number {
  5 
  6    public static void main (String[] args) {
  7       final DecimalFormat df = new DecimalFormat ("  #0");
  8       System.out.println (df.format (7));
  9       System.out.println (df.format (37));
 10       System.out.println (df.format (537));
 11 
 12       NumberFormat nf = NumberFormat.getInstance ();
 13       System.out.println (nf.format (7));
 14       System.out.println (nf.format (37));
 15       System.out.println (nf.format (537));
 16       nf = NumberFormat.getNumberInstance ();
 17       System.out.println (nf.format (7));
 18       System.out.println (nf.format (37));
 19       System.out.println (nf.format (537));
 20       nf = NumberFormat.getPercentInstance ();
 21       System.out.println (nf.format (7));
 22       System.out.println (nf.format (37));
 23       System.out.println (nf.format (537));
 24       nf = NumberFormat.getCurrencyInstance ();
 25       System.out.println (nf.format (7));
 26       System.out.println (nf.format (37));
 27       System.out.println (nf.format (537));
 28    }
 29 }