tagAdder instAdder = new tagAdder();
       
      instAdder.setPageContext(pageContext);
      instAdder.setParent(null);
       
      instAdder.setOperand_1(1234);
      instAdder.setOperand_2(4321);
       
      try 
      {
        int retDoStartTag = instAdder.doStartTag();
       
        if (retDoStartTag == BodyTag.EVAL_BODY_BUFFERED)
          throw new JspTagException( "tagAdder does not implement BodyTag, "
                                   + "it can't return BodyTag.EVAL_BODY_TAG" );
           
        if ( retDoStartTag != Tag.SKIP_BODY ) 
        {
          do 
          {
       
          } 
          while( instAdder.doAfterBody() == BodyTag.EVAL_BODY_AGAIN );
        }
        
        if ( instAdder.doEndTag() == Tag.SKIP_PAGE )
           return;
      } 
      finally 
      {
        instAdder.release();
      }