Swift

Swift ์ปฌ๋ ‰์…˜ ํƒ€์ž…

2021. 11. 20. 20:00
๋ชฉ์ฐจ
  1. ๐Ÿ“Œ ๋ชฉ์ฐจ
  2. ๐Ÿ“Œ array
  3. ๊ธฐ๋ณธ ์ƒ์„ฑ์ž
  4. append -> ๋งจ๋’ค์— ๋ถ™์ธ๋‹ค (push ๊ฐ™์€ ๊ธฐ๋Šฅ)
  5. insert -> ์ค‘๊ฐ„์— ์š”์†Œ๋ฅผ ์‚ฝ์ž…ํ•œ๋‹ค
  6. remove -> ์š”์†Œ๋ฅผ ์‚ญ์ œํ•œ๋‹ค.
  7. ๐Ÿ“Œ dictionary
  8. ๊ธฐ๋ณธ ์ƒ์„ฑ์ž
  9. ์‚ฝ์ž…
  10. ์‚ญ์ œ (removeValue)
  11. ๐Ÿ“Œ set
  12. ๊ธฐ๋ณธ ์ƒ์„ฑ์ž
  13. ์‚ฝ์ž… (insert)
  14. ์‚ญ์ œ (remove)
๋ฐ˜์‘ํ˜•

๐Ÿ“Œ ๋ชฉ์ฐจ

  • array
  • dictionary
  • set

๐Ÿ“Œ array

array๋Š” ๋ฐ์ดํ„ฐ ํƒ€์ž…์˜ ๊ฐ’๋“ค์„ ์ˆœ์„œ๋Œ€๋กœ ์ €์žฅํ•˜๋Š” ๋ฆฌ์ŠคํŠธ ์ž…๋‹ˆ๋‹ค.

๊ธฐ๋ณธ ์ƒ์„ฑ์ž

var numbers: Array<Int> = Array<Int>()
// or
// var number: Array<Int> = [1, 2, 3, 4]
// or
// var numbers = [Int]()
// or
// var numbers: [Int] = []

append -> ๋งจ๋’ค์— ๋ถ™์ธ๋‹ค (push ๊ฐ™์€ ๊ธฐ๋Šฅ)


var numbers: Array<Int> = Array<Int>()

numbers.append(1)
numbers.append(2)
numbers.append(3)

// numbers [1, 2, 3, 4]

insert -> ์ค‘๊ฐ„์— ์š”์†Œ๋ฅผ ์‚ฝ์ž…ํ•œ๋‹ค

numbers.insert(4, at: 2); // 2๋ฒˆ์ธ๋ฑ์Šค์— 4๋ฅผ ๋„ฃ๋Š”๋‹ค
// [1, 2, 4, 3]

remove -> ์š”์†Œ๋ฅผ ์‚ญ์ œํ•œ๋‹ค.

numbers.remove(at: 2)

๐Ÿ“Œ dictionary

dictionary๋Š” ์ˆœ์„œ์™€ ์ƒ๊ด€์—†์ด ํ‚ค์™€ ๊ฐ’ ํ•œ์Œ์œผ๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ์ €์žฅํ•˜๋Š” ์ปฌ๋ ‰์…˜ ํƒ€์ž…์ž…๋‹ˆ๋‹ค.

๊ธฐ๋ณธ ์ƒ์„ฑ์ž

var dic: Dictionary<String, Int> = Dictionary<String, Int>()
// or 
var dic: [String: Int] = [:]

์‚ฝ์ž…

var dic: [String: Int] = ["eddie" : 1, "sam" : 2]

dic["eddie"] = 4;
dic["claire"] = 112;

dic // ["sam": 2, "claire": 112, "eddie": 4]

์‚ญ์ œ (removeValue)

var dic: [String: Int] = ["eddie" : 1, "sam" : 2]

dic .removeValue(forKey: "eddie")
dic // ["sam": 2]

๐Ÿ“Œ set

set์€ ๊ฐ™์€ ๋ฐ์ดํ„ฐ ํƒ€์ž…์˜ ๊ฐ’์„ ์ˆœ์„œ ์—†์ด ์ €์žฅํ•˜๋Š” ๋ฆฌ์ŠคํŠธ ์ž…๋‹ˆ๋‹ค.

๊ธฐ๋ณธ ์ƒ์„ฑ์ž

var set: Set = Set<Int>()

์‚ฝ์ž… (insert)

var set: Set = Set<Int>()

set.insert(10)
set.insert(20)
set.insert(30)

set // {20, 30, 10}

์‚ญ์ œ (remove)

var set: Set = Set<Int>([1, 2, 3])

set.remove(1)

set // {2, 3}
๋ฐ˜์‘ํ˜•

'Swift' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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  1. ๐Ÿ“Œ ๋ชฉ์ฐจ
  2. ๐Ÿ“Œ array
  3. ๊ธฐ๋ณธ ์ƒ์„ฑ์ž
  4. append -> ๋งจ๋’ค์— ๋ถ™์ธ๋‹ค (push ๊ฐ™์€ ๊ธฐ๋Šฅ)
  5. insert -> ์ค‘๊ฐ„์— ์š”์†Œ๋ฅผ ์‚ฝ์ž…ํ•œ๋‹ค
  6. remove -> ์š”์†Œ๋ฅผ ์‚ญ์ œํ•œ๋‹ค.
  7. ๐Ÿ“Œ dictionary
  8. ๊ธฐ๋ณธ ์ƒ์„ฑ์ž
  9. ์‚ฝ์ž…
  10. ์‚ญ์ œ (removeValue)
  11. ๐Ÿ“Œ set
  12. ๊ธฐ๋ณธ ์ƒ์„ฑ์ž
  13. ์‚ฝ์ž… (insert)
  14. ์‚ญ์ œ (remove)
'Swift' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
  • Swift ์˜ต์…”๋„
  • Swift ํ•จ์ˆ˜
  • Swift for loop and While
  • Swift ๋ณ€์ˆ˜, ์ƒ์ˆ˜ ๊ทธ๋ฆฌ๊ณ  ํƒ€์ž…
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eddie0329
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