Objects and Classes: Identity, Equality, and State
TL;DR / Key Takeaways Introduction Object‑oriented programming starts with clear mental models: what an object represents, how we compare it, and how its state evolves. We’ll establish practical distinctions—identity vs equality, value vs reference semantics—and show runnable examples and class diagrams you can adapt. Related reads: Principles & Practices (SOLID, SoC), Modeling & UML basics. […]
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