💻
Programming
Oop Principles
100
Cards
~50m
Study time
Advanced
Difficulty
Sample questions
- ▸What is encapsulation in OOP?
- ▸What is inheritance in OOP?
- ▸What is polymorphism in OOP?
- ▸What is abstraction in OOP?
- ▸What is the Single Responsibility Principle (SRP)?
💻
Programming
Swift Programming
50
Cards
~25m
Study time
Advanced
Difficulty
Sample questions
- ▸What is an Optional in Swift?
- ▸How do you unwrap an Optional using if let?
- ▸What is the difference between Optional chaining and forced unwrapping?
- ▸What is the nil-coalescing operator in Swift?
- ▸What is an implicitly unwrapped optional?
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:
Oop Principles
100 cards · ~50 min · Advanced
Swift Programming
50 cards · ~25 min · Advanced
⭐ Quicker to complete