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# 5-1. 데이터 νƒ€μž… λΆ„λ₯˜
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μžλ°”μ˜ μ§€μ›ν•˜λŠ” 데이터 νƒ€μž…μ€ μ΄μ „κΉŒμ§€ 배운 **κΈ°λ³Έ νƒ€μž…(μ›μ‹œ νƒ€μž…, primitive type)** 말고도,
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**μ°Έμ‘° νƒ€μž…(reference type)** 으둜 λΆ„λ₯˜λœλ‹€.
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μ—¬κΈ°μ„œ μƒˆλ‘œ λ“±μž₯ν•œ μ°Έμ‘° νƒ€μž…μ€ **λ°°μ—΄ νƒ€μž…, μ—΄κ±° νƒ€μž…, 클래슀, μΈν„°νŽ˜μ΄μŠ€** κ°€ μžˆλ‹€.
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μ΄λŸ¬ν•œ μ°Έμ‘° νƒ€μž…κ³Ό κΈ°λ³Έ νƒ€μž…μ˜ 차이점은. μ €μž₯λ˜λŠ” 값이 μ‹€μ œ 값인가, λ©”λͺ¨λ¦¬μ˜ λ²ˆμ§€μΈκ°€ 이닀.
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κΈ°λ³Έ νƒ€μž…μ˜ λ³€μˆ˜λŠ” μ‹€μ œ 값을 λ³€μˆ˜ μ•ˆμ— μ €μž₯ν•˜μ§€λ§Œ, μ°Έμ‘° νƒ€μž…μ˜ λ³€μˆ˜λŠ” μ°Έμ‘°ν•˜λŠ” λ©”λͺ¨λ¦¬μ˜ λ²ˆμ§€λ₯Ό λ³€μˆ˜μ— μ €μž₯ν•œλ‹€. (이렇기에 μ°Έμ‘° νƒ€μž…μ΄λΌ λΆˆλ¦°λ‹€.)

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