💻
Programming
Design Patterns
51
Cards
~26m
Study time
Advanced
Difficulty
Sample questions
- ▸What are Design Patterns in software engineering?
- ▸What are the three categories of GoF Design Patterns?
- ▸What is the Singleton pattern?
- ▸What are the drawbacks of the Singleton pattern?
- ▸What is the Factory Method pattern?
💻
Programming
Kotlin Programming
170
Cards
~85m
Study time
Advanced
Difficulty
Sample questions
- ▸What is null safety in Kotlin?
- ▸How do you declare a nullable type in Kotlin?
- ▸What is the safe call operator in Kotlin?
- ▸What is the Elvis operator in Kotlin?
- ▸What does the non-null assertion operator (!!) do?
VS
🤔 Which should you study first?
Both topics are in the Programming category, so they complement each other well. We suggest starting with the smaller deck to build momentum:
Design Patterns
51 cards · ~26 min · Advanced
⭐ Quicker to complete
Kotlin Programming
170 cards · ~85 min · Advanced