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Update README.md
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JeaSungLEE authored Jul 2, 2021
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Expand Up @@ -131,7 +131,6 @@ Ball *ball = [[[[Ball alloc] init] autorelease] autorelease];
- JSON 데이터λ₯Ό μ²˜λ¦¬ν•˜λŠ” 방식과 νŒŒμ„œ, 객체 λ³€ν™˜ 방식에 λŒ€ν•΄ μ„€λͺ…ν•˜μ‹œμ˜€.
- μ›Ή μ„œλ²„μ™€ HTTP 연결을 μ‚¬μš©ν•΄μ„œ 데이터λ₯Ό μ£Όκ±°λ‚˜ λ°›μœΌλ €λ©΄ μ‚¬μš©ν•΄μ•Ό ν•˜λŠ” ν΄λž˜μŠ€μ™€ λ™μž‘μ„ μ„€λͺ…ν•˜μ‹œμ˜€.
- Protocolμ—μ„œλŠ” μ™œ var만 λ˜λŠ”μ§€ μ„€λͺ…ν•˜μ‹œμš”.
- Fast Enumeration μ΄λž€ 무엇인지 μ„€λͺ…ν•˜μ‹œμ˜€.

## Objective-C
- Mutable 객체과 Immutable κ°μ²΄λŠ” 어떀것이 μžˆλŠ”μ§€ 예λ₯Ό λ“€κ³ , 차이점을 μ„€λͺ…ν•˜μ‹œμ˜€.
Expand All @@ -141,6 +140,7 @@ Ball *ball = [[[[Ball alloc] init] autorelease] autorelease];
- @property둜 μ„ μ–Έν•œλ‹€λŠ” κ²ƒμ˜ 의미λ₯Ό μ„€λͺ…ν•˜κ³ , .h에 넣을 κ²½μš°μ™€ .m에 넣을 경우 차이점을 μ„€λͺ…ν•˜μ‹œμ˜€.
- -performSelector:withObject:afterDelay: λ©”μ‹œμ§€λ₯Ό 보내면 μΈμžκ°’μ˜ κ°μ²΄λŠ” retainλ˜λŠ”κ°€? κ·Έ 이유λ₯Ό ν•¨κ»˜ μ„€λͺ…ν•˜μ‹œμ˜€.
- Objective-C μ—μ„œ μΊ‘μŠν™”λœ 데이터λ₯Ό μ ‘κ·Όν•˜κΈ° μœ„ν•œ 방법듀을 μ„€λͺ…ν•˜μ‹œμ˜€.
- Fast Enumeration μ΄λž€ 무엇인지 μ„€λͺ…ν•˜μ‹œμ˜€.
- unnamed category 방식에 λŒ€ν•΄ μ„€λͺ…ν•˜μ‹œμ˜€.
- Category ν™•μž₯κ³Ό Subclass ν™•μž₯의 차이점을 μ„€λͺ…ν•˜μ‹œμ˜€.
- Category 방식에 λŒ€ν•΄ μ„€λͺ…ν•˜μ‹œμ˜€.
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