public class TestMap1
{

   public static void main(String[] args) 
   {
      int i;
      Integer freq;
      String s;

      HashMap M = new HashMap();

      /* -------------------------------------------------------
         Enter arg strings into the Map along with frequency
 	 ------------------------------------------------------- */
      for (i = 0; i < args.length; i++)
      {
          s = args[i];

          freq = M.get(s);

	  if ( freq == null )
	  {
	     M.put(s, 1);
	  }
	  else
          {
	     M.put(s, freq.intValue() + 1);
	  }

          System.out.println("After processing `" + args[i] + "':");
          System.out.println(M);
          System.out.println();
      }

      System.out.println("=========================");
      System.out.println(M.size() + " distinct words:");

      System.out.println(M);
   }
}