Welcome to Day 4! Up until now, we’ve focused on individual classes, encapsulation, and inheritance hierarchies. Today, we step into system architecture by exploring how independent objects interact and relate to one another in memory.
Understanding these four core relationships allows you to model complex real-world domains without forcing everything into rigid inheritance trees.
1. The Relationship Spectrum 📊
Object relationships differ primarily by coupling strength and lifecycle dependency (whether one object controls the creation and destruction of another).
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