πŸ“š Decorator

πŸ“– Starbucks Problem

πŸ“– μ†Œκ°œλœ λ””μžμΈ νŒ¨ν„΄ 원칙 정리

OCP ( Open - Closed Principle )

<aside> πŸ’‘ ν΄λž˜μŠ€λŠ” ν™•μž₯에 λŒ€ν•΄μ„œλŠ” μ—΄λ €μžˆμ–΄μ•Ό ν•˜μ§€λ§Œ, μ½”λ“œ 변경에 μžˆμ–΄μ„œλŠ” λ‹«ν˜€ μžˆμ–΄μ•Ό 함

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