{ "id" : "14d4a284-5b67-45c9-99f9-4e0c174bddea", "url" : "https://docs.oracle.com/javase/tutorial/java/concepts/", "title" : "Assessment on OOP introduction", "thumbnail" : "ee410cef-2a44-46ef-878d-172511e54e07.png", "learning_objective" : "This is objective", "primary_language": 1, "metadata": { "depth_of_knowledge": [ 166, 168 ] } }