Tag
#oop
2 articles tagged oop.
LLDbeginner
Object-Oriented Programming Explained: The Four Pillars and Composition Over Inheritance
Object-oriented programming explained for interviews: encapsulation, abstraction, inheritance, polymorphism, and composition over inheritance (is-a vs has-a) with a worked payment-system example.
16 min read
LLDbeginner
A Rookie's Guide to LLD: The Parking Lot and the Pattern Cheat Sheet
How to approach any low-level design interview: turn requirements into classes, methods, and state machines — the parking lot classic, fully built — plus a cheat sheet for picking design patterns.
9 min read