question: public boolean isAnnotationPresent ( Class javaClass , String property , Class < ? extends Annotation > annotationClass ) { Field field ; try { field = javaClass . getDeclaredField ( property ) ; return field . isAnnotationPresent ( annotationClass ) ; } catch ( NoSuchFieldException e ) { Class superclass = javaClass . getSuperclass ( ) ; while ( superclass != null ) { try { field = superclass . getDeclaredField ( property ) ; return field . isAnnotationPresent ( annotationClass ) ; } catch ( NoSuchFieldException e1 ) { superclass = superclass . getSuperclass ( ) ; } } throw new RuntimeException ( "Property not found: " + property ) ; } }
target:  Determine whether the given annotation is present in the object's class or in any of its superclasses.