code: public Class<?> load() throws JasperException {
          try {
              getJspLoader();
  
              String name = getFQCN();
              servletClass = jspLoader.loadClass(name);
          } catch (ClassNotFoundException cex) {
              throw new JasperException(Localizer.getMessage("jsp.error.unable.load"),
                      cex);
          } catch (Exception ex) {
              throw new JasperException(Localizer.getMessage("jsp.error.unable.compile"),
                      ex);
          }
          removed = false;
          return servletClass;
      }
docs: ==================== Manipulating the class ====================