code: public void getSuperClass(Class<?> objClass) {
  		Class<?> clazz = objClass.getSuperclass();
  		if(clazz != null) {
  			exceptionHierarchy.add(clazz);
  			getSuperClass(clazz);
  		}
  	}
docs: Helper method to getSuperClasses(Class<?> objClass);
  @param objClass - the thrown exception