[ { "id": "6b4f49aa-1bae-4209-985a-ab23b6546102", "title": "Java", "content": "Programming Object-oriented programming concepts including encapsulation, inheritance, and polymorphism", "tags": ["programming", "oop"], "createdAt": "2025-07-14T22:21:08", "updatedAt": "2025-07-14T22:21:38" } , { "id": "8ca602b6-ae41-42ea-88c1-c70ce4b46ffe", "title": "Design", "content": "Patterns Common software design patterns like Singleton, Factory, and Observer", "tags": [], "createdAt": "2025-07-14T22:21:15", "updatedAt": "2025-07-14T22:21:15" } ]