Stage 1 — Linear Structures · Module 5
LinearStrings
Immutability, builders, encodings, and the standard transformation toolkit.
- Concept lessons
- 3
- Problems
- 5
- Practice
- Hub
- Status
- Live
Concept map
Lessons
1.Strings in Memory & Immutabilityconcept2.Character Arithmetic & Count Arraysconcept3.String APIs, Scan Costs & Idiomsconcept
Practice
Two ends, builders, and character counts — not magic regex.