Writing startElement and endElement

   static float grades[][] = new float[100][5];
   int gi = -1;
   int nstudent = 0;

   public void startElement(String uri, String localName, String rawName,
                            Attributes attributes)
   {
      if(localName.equals("hw1"))
	 gi = 0;
      else if(localName.equals("hw2"))
	 gi = 1;
      else if(localName.equals("project"))
	 gi = 2;
      else if(localName.equals("final"))
	 gi = 3;
      else if(localName.equals("student"))
	 nstudent++;
   }

   public void endElement(String uri, String localName, String rawName)
   {
      gi = -1;
   }