Programming

1. Git branches in GitHub Codespaces

Level 01

1. Introduction to programming
2. Constants and variables

Level 02

1. Swift programming revision for Level 2
2. Solution: Swift programming revision for Level 2
3. Swift functions: no parameters
4. Swift functions: returns and parameters
5. Swift functions: documentation comments
6. Swift scope: variables inside blocks
7. Functions challenge: parameters + return values
8. Swift multi-dimensional arrays
9. Battleships with 2D arrays
10. Testing
11. Cheat sheet
12. Level 2 programming assessment 2026

Level 03

1. Swift programming revision for Level 3
2. Solution: Swift programming revision for Level 3
3. Map, filter, and reduce
4. Other functions with closures
5. Introduction to object-oriented programming
6. Methods: instance, static, and mutating
7. Protocols
8. OOP Challenge
9. Introduction to GRDB.swift
10. Reading and writing with GRDB
11. Testing
12. Cheat sheet
13. Level 3 programming assessment 2026