code: private boolean overridingMethodFound(MethodDoc method) {
          ClassDoc containingClass = method.containingClass();
          for (MethodDoc listmethod : methlist) {
              if (containingClass == listmethod.containingClass()) {
                  // it's the same method.
                  return true;
              }
              ClassDoc cd = listmethod.overriddenClass();
              if (cd == null) {
                  continue;
              }
              if (cd == containingClass || cd.subclassOf(containingClass)) {
                  return true;
              }
          }
          return false;
      }
docs: Search in the already found methods' list and check if it contains
  a method which is overriding the method parameter or is the method
  parameter itself.
  
  @param method MethodDoc Method to be searched in the Method List for
  an overriding method.