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java-blackjack

๐Ÿš€ ๊ธฐ๋Šฅ ์š”๊ตฌ ์‚ฌํ•ญ

โœ… 1๋‹จ๊ณ„ - ๋ธ”๋ž™์žญ ๊ตฌํ˜„

๋ธ”๋ž™์žญ ๊ฒŒ์ž„์„ ๋ณ€ํ˜•ํ•œ ํ”„๋กœ๊ทธ๋žจ์„ ๊ตฌํ˜„ํ•œ๋‹ค. ๋ธ”๋ž™์žญ ๊ฒŒ์ž„์€ ๋”œ๋Ÿฌ์™€ ํ”Œ๋ ˆ์ด์–ด ์ค‘ ์นด๋“œ์˜ ํ•ฉ์ด 21 ๋˜๋Š” 21์— ๊ฐ€์žฅ ๊ฐ€๊นŒ์šด ์ˆซ์ž๋ฅผ ๊ฐ€์ง€๋Š” ์ชฝ์ด ์ด๊ธฐ๋Š” ๊ฒŒ์ž„์ด๋‹ค.

์นด๋“œ์˜ ์ˆซ์ž ๊ณ„์‚ฐ์€ ์นด๋“œ ์ˆซ์ž๋ฅผ ๊ธฐ๋ณธ์œผ๋กœ ํ•˜๋ฉฐ, ์˜ˆ์™ธ๋กœ Ace๋Š” 1 ๋˜๋Š” 11๋กœ ๊ณ„์‚ฐํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ, King, Queen, Jack์€ ๊ฐ๊ฐ 10์œผ๋กœ ๊ณ„์‚ฐํ•œ๋‹ค. ๊ฒŒ์ž„์„ ์‹œ์ž‘ํ•˜๋ฉด ํ”Œ๋ ˆ์ด์–ด๋Š” ๋‘ ์žฅ์˜ ์นด๋“œ๋ฅผ ์ง€๊ธ‰ ๋ฐ›์œผ๋ฉฐ, ๋‘ ์žฅ์˜ ์นด๋“œ ์ˆซ์ž๋ฅผ ํ•ฉ์ณ 21์„ ์ดˆ๊ณผํ•˜์ง€ ์•Š์œผ๋ฉด์„œ 21์— ๊ฐ€๊น๊ฒŒ ๋งŒ๋“ค๋ฉด ์ด๊ธด๋‹ค. 21์„ ๋„˜์ง€ ์•Š์„ ๊ฒฝ์šฐ ์›ํ•œ๋‹ค๋ฉด ์–ผ๋งˆ๋“ ์ง€ ์นด๋“œ๋ฅผ ๊ณ„์† ๋ฝ‘์„ ์ˆ˜ ์žˆ๋‹ค. ๋”œ๋Ÿฌ๋Š” ์ฒ˜์Œ์— ๋ฐ›์€ 2์žฅ์˜ ํ•ฉ๊ณ„๊ฐ€ 16์ดํ•˜์ด๋ฉด ๋ฐ˜๋“œ์‹œ 1์žฅ์˜ ์นด๋“œ๋ฅผ ์ถ”๊ฐ€๋กœ ๋ฐ›์•„์•ผ ํ•˜๊ณ , 17์  ์ด์ƒ์ด๋ฉด ์ถ”๊ฐ€๋กœ ๋ฐ›์„ ์ˆ˜ ์—†๋‹ค. ๊ฒŒ์ž„์„ ์™„๋ฃŒํ•œ ํ›„ ๊ฐ ํ”Œ๋ ˆ์ด์–ด๋ณ„๋กœ ์ŠนํŒจ๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค.

๐Ÿ’ป ์‹คํ–‰ ๊ฒฐ๊ณผ

๊ฒŒ์ž„์— ์ฐธ์—ฌํ•  ์‚ฌ๋žŒ์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•˜์„ธ์š”.(์‰ผํ‘œ ๊ธฐ์ค€์œผ๋กœ ๋ถ„๋ฆฌ)
pobi,jason

๋”œ๋Ÿฌ์™€ pobi, jason์—๊ฒŒ 2์žฅ์„ ๋‚˜๋ˆ„์—ˆ์Šต๋‹ˆ๋‹ค.
๋”œ๋Ÿฌ: 3๋‹ค์ด์•„๋ชฌ๋“œ
pobi์นด๋“œ: 2ํ•˜ํŠธ, 8์ŠคํŽ˜์ด๋“œ
jason์นด๋“œ: 7ํด๋กœ๋ฒ„, K์ŠคํŽ˜์ด๋“œ

pobi๋Š” ํ•œ์žฅ์˜ ์นด๋“œ๋ฅผ ๋” ๋ฐ›๊ฒ ์Šต๋‹ˆ๊นŒ?(์˜ˆ๋Š” y, ์•„๋‹ˆ์˜ค๋Š” n)
y
pobi์นด๋“œ: 2ํ•˜ํŠธ, 8์ŠคํŽ˜์ด๋“œ, Aํด๋กœ๋ฒ„
pobi๋Š” ํ•œ์žฅ์˜ ์นด๋“œ๋ฅผ ๋” ๋ฐ›๊ฒ ์Šต๋‹ˆ๊นŒ?(์˜ˆ๋Š” y, ์•„๋‹ˆ์˜ค๋Š” n)
n
pobi์นด๋“œ: 2ํ•˜ํŠธ, 8์ŠคํŽ˜์ด๋“œ, Aํด๋กœ๋ฒ„
jason์€ ํ•œ์žฅ์˜ ์นด๋“œ๋ฅผ ๋” ๋ฐ›๊ฒ ์Šต๋‹ˆ๊นŒ?(์˜ˆ๋Š” y, ์•„๋‹ˆ์˜ค๋Š” n)
n
jason์นด๋“œ: 7ํด๋กœ๋ฒ„, K์ŠคํŽ˜์ด๋“œ

๋”œ๋Ÿฌ๋Š” 16์ดํ•˜๋ผ ํ•œ์žฅ์˜ ์นด๋“œ๋ฅผ ๋” ๋ฐ›์•˜์Šต๋‹ˆ๋‹ค.

๋”œ๋Ÿฌ ์นด๋“œ: 3๋‹ค์ด์•„๋ชฌ๋“œ, 9ํด๋กœ๋ฒ„, 8๋‹ค์ด์•„๋ชฌ๋“œ - ๊ฒฐ๊ณผ: 20
pobi์นด๋“œ: 2ํ•˜ํŠธ, 8์ŠคํŽ˜์ด๋“œ, Aํด๋กœ๋ฒ„ - ๊ฒฐ๊ณผ: 21
jason์นด๋“œ: 7ํด๋กœ๋ฒ„, K์ŠคํŽ˜์ด๋“œ - ๊ฒฐ๊ณผ: 17

## ์ตœ์ข… ์ŠนํŒจ
๋”œ๋Ÿฌ: 1์Šน 1ํŒจ
pobi: ์Šน 
jason: ํŒจ

โœ… 2๋‹จ๊ณ„ - ๋ธ”๋ž™์žญ ๊ตฌํ˜„

ํ”Œ๋ ˆ์ด์–ด๋Š” ๊ฒŒ์ž„์„ ์‹œ์ž‘ํ•  ๋•Œ ๋ฐฐํŒ… ๊ธˆ์•ก์„ ์ •ํ•ด์•ผ ํ•œ๋‹ค.
์นด๋“œ์˜ ์ˆซ์ž ๊ณ„์‚ฐ์€ ์นด๋“œ ์ˆซ์ž๋ฅผ ๊ธฐ๋ณธ์œผ๋กœ ํ•˜๋ฉฐ, ์˜ˆ์™ธ๋กœ Ace๋Š” 1 ๋˜๋Š” 11๋กœ ๊ณ„์‚ฐํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ, King, Queen, Jack์€ ๊ฐ๊ฐ 10์œผ๋กœ ๊ณ„์‚ฐํ•œ๋‹ค.
๊ฒŒ์ž„์„ ์‹œ์ž‘ํ•˜๋ฉด ํ”Œ๋ ˆ์ด์–ด๋Š” ๋‘ ์žฅ์˜ ์นด๋“œ๋ฅผ ์ง€๊ธ‰ ๋ฐ›์œผ๋ฉฐ, ๋‘ ์žฅ์˜ ์นด๋“œ ์ˆซ์ž๋ฅผ ํ•ฉ์ณ 21์„ ์ดˆ๊ณผํ•˜์ง€ ์•Š์œผ๋ฉด์„œ 21์— ๊ฐ€๊น๊ฒŒ ๋งŒ๋“ค๋ฉด ์ด๊ธด๋‹ค. 21์„ ๋„˜์ง€ ์•Š์„ ๊ฒฝ์šฐ ์›ํ•œ๋‹ค๋ฉด ์–ผ๋งˆ๋“ ์ง€ ์นด๋“œ๋ฅผ ๊ณ„์† ๋ฝ‘์„ ์ˆ˜ ์žˆ๋‹ค. ๋‹จ, ์นด๋“œ๋ฅผ ์ถ”๊ฐ€๋กœ ๋ฝ‘์•„ 21์„ ์ดˆ๊ณผํ•  ๊ฒฝ์šฐ๋ฅผ ๋ฒ„์ŠคํŠธ๋ผ ๋ถ€๋ฅด๋ฉฐ ์ด ๊ฒฝ์šฐ ์ŠนํŒจ์— ๊ด€๊ณ„์—†์ด ํ•ญ์ƒ ๋ฒ ํŒ…ํ•œ ๊ธˆ์•ก์„ ๋ชจ๋‘ ์žƒ๋Š”๋‹ค
์ฒ˜์Œ ๋‘ ์žฅ์˜ ์นด๋“œ ํ•ฉ์ด 21์ผ ๊ฒฝ์šฐ ๋ธ”๋ž™์žญ์ด ๋˜๋ฉด ๋ฒ ํŒ… ๊ธˆ์•ก์˜ 1.5 ๋ฐฐ๋ฅผ ๋”œ๋Ÿฌ์—๊ฒŒ ๋ฐ›๋Š”๋‹ค. ๋”œ๋Ÿฌ์™€ ํ”Œ๋ ˆ์ด์–ด๊ฐ€ ๋ชจ๋‘ ๋™์‹œ์— ๋ธ”๋ž™์žญ์ธ ๊ฒฝ์šฐ ํ”Œ๋ ˆ์ด์–ด๋Š” ๋ฒ ํŒ…ํ•œ ๊ธˆ์•ก์„ ๋Œ๋ ค๋ฐ›๋Š”๋‹ค.
๋”œ๋Ÿฌ๋Š” ์ฒ˜์Œ์— ๋ฐ›์€ 2์žฅ์˜ ํ•ฉ๊ณ„๊ฐ€ 16์ดํ•˜์ด๋ฉด ๋ฐ˜๋“œ์‹œ 1์žฅ์˜ ์นด๋“œ๋ฅผ ์ถ”๊ฐ€๋กœ ๋ฐ›์•„์•ผ ํ•˜๊ณ , 17์  ์ด์ƒ์ด๋ฉด ์ถ”๊ฐ€๋กœ ๋ฐ›์„ ์ˆ˜ ์—†๋‹ค. ๋”œ๋Ÿฌ๊ฐ€ 21์„ ์ดˆ๊ณผํ•˜๋ฉด ์‚ฌ์šฉ์ž๊ฐ€ ๋ฒ„์ŠคํŠธ ๋‚œ ๊ฒƒ์ด ์•„๋‹ˆ๋ผ๋ฉด ์‚ฌ์šฉ์ž๋Š” ์ƒ๊ธˆ์„ ์ทจ๋“ํ•œ๋‹ค.

๐Ÿ’ป ์‹คํ–‰ ๊ฒฐ๊ณผ

๊ฒŒ์ž„์— ์ฐธ์—ฌํ•  ์‚ฌ๋žŒ์˜ ์ด๋ฆ„์„ ์ž…๋ ฅํ•˜์„ธ์š”.(์‰ผํ‘œ ๊ธฐ์ค€์œผ๋กœ ๋ถ„๋ฆฌ)
pobi,jason

pobi์˜ ๋ฐฐํŒ… ๊ธˆ์•ก์€?
10000

jason์˜ ๋ฐฐํŒ… ๊ธˆ์•ก์€?
20000

๋”œ๋Ÿฌ์™€ pobi, jason์—๊ฒŒ 2์žฅ์„ ๋‚˜๋ˆ„์—ˆ์Šต๋‹ˆ๋‹ค.
๋”œ๋Ÿฌ: 3๋‹ค์ด์•„๋ชฌ๋“œ
pobi์นด๋“œ: 2ํ•˜ํŠธ, 8์ŠคํŽ˜์ด๋“œ
jason์นด๋“œ: 7ํด๋กœ๋ฒ„, K์ŠคํŽ˜์ด๋“œ

pobi๋Š” ํ•œ์žฅ์˜ ์นด๋“œ๋ฅผ ๋” ๋ฐ›๊ฒ ์Šต๋‹ˆ๊นŒ?(์˜ˆ๋Š” y, ์•„๋‹ˆ์˜ค๋Š” n)
y
pobi์นด๋“œ: 2ํ•˜ํŠธ, 8์ŠคํŽ˜์ด๋“œ, Aํด๋กœ๋ฒ„
pobi๋Š” ํ•œ์žฅ์˜ ์นด๋“œ๋ฅผ ๋” ๋ฐ›๊ฒ ์Šต๋‹ˆ๊นŒ?(์˜ˆ๋Š” y, ์•„๋‹ˆ์˜ค๋Š” n)
n
pobi์นด๋“œ: 2ํ•˜ํŠธ, 8์ŠคํŽ˜์ด๋“œ, Aํด๋กœ๋ฒ„
jason์€ ํ•œ์žฅ์˜ ์นด๋“œ๋ฅผ ๋” ๋ฐ›๊ฒ ์Šต๋‹ˆ๊นŒ?(์˜ˆ๋Š” y, ์•„๋‹ˆ์˜ค๋Š” n)
n
jason์นด๋“œ: 7ํด๋กœ๋ฒ„, K์ŠคํŽ˜์ด๋“œ

๋”œ๋Ÿฌ๋Š” 16์ดํ•˜๋ผ ํ•œ์žฅ์˜ ์นด๋“œ๋ฅผ ๋” ๋ฐ›์•˜์Šต๋‹ˆ๋‹ค.

๋”œ๋Ÿฌ ์นด๋“œ: 3๋‹ค์ด์•„๋ชฌ๋“œ, 9ํด๋กœ๋ฒ„, 8๋‹ค์ด์•„๋ชฌ๋“œ - ๊ฒฐ๊ณผ: 20
pobi์นด๋“œ: 2ํ•˜ํŠธ, 8์ŠคํŽ˜์ด๋“œ, Aํด๋กœ๋ฒ„ - ๊ฒฐ๊ณผ: 21
jason์นด๋“œ: 7ํด๋กœ๋ฒ„, K์ŠคํŽ˜์ด๋“œ - ๊ฒฐ๊ณผ: 17

## ์ตœ์ข… ์ˆ˜์ต
๋”œ๋Ÿฌ: 10000
pobi: 10000 
jason: -20000

๐Ÿ–ฅ๏ธ ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์š”๊ตฌ ์‚ฌํ•ญ

  • indent(์ธ๋ดํŠธ, ๋“ค์—ฌ์“ฐ๊ธฐ) depth๋ฅผ 3๋ฅผ ๋„˜์ง€ ์•Š๋„๋ก ๊ตฌํ˜„ํ•œ๋‹ค. 2๊นŒ์ง€๋งŒ ํ—ˆ์šฉํ•œ๋‹ค. ( ๊ฐœ์ธ์˜ ์—ญ๋Ÿ‰์— ๋งž์ถฐ 1๊นŒ์ง€ ํ—ˆ์šฉํ•˜์—ฌ ์ง„ํ–‰ํ•ด๋ณผ ๊ฒƒ์„ ์ถ”์ฒœ )
    • ์˜ˆ๋ฅผ ๋“ค์–ด while๋ฌธ ์•ˆ์— if๋ฌธ์ด ์žˆ์œผ๋ฉด ๋“ค์—ฌ์“ฐ๊ธฐ๋Š” 2์ด๋‹ค.
    • ํžŒํŠธ: indent(์ธ๋ดํŠธ, ๋“ค์—ฌ์“ฐ๊ธฐ) depth๋ฅผ ์ค„์ด๋Š” ์ข‹์€ ๋ฐฉ๋ฒ•์€ ํ•จ์ˆ˜(๋˜๋Š” ๋ฉ”์„œ๋“œ)๋ฅผ ๋ถ„๋ฆฌํ•˜๋ฉด ๋œ๋‹ค.
  • 3ํ•ญ ์—ฐ์‚ฐ์ž๋ฅผ ์“ฐ์ง€ ์•Š๋Š”๋‹ค.
  • else ์˜ˆ์•ฝ์–ด๋ฅผ ์“ฐ์ง€ ์•Š๋Š”๋‹ค.
    • else ์˜ˆ์•ฝ์–ด๋ฅผ ์“ฐ์ง€ ๋ง๋ผ๊ณ  ํ•˜๋‹ˆ switch/case๋กœ ๊ตฌํ˜„ํ•˜๋Š” ๊ฒฝ์šฐ๊ฐ€ ์žˆ๋Š”๋ฐ switch/case๋„ ํ—ˆ์šฉํ•˜์ง€ ์•Š๋Š”๋‹ค.
    • ํžŒํŠธ: if๋ฌธ์—์„œ ๊ฐ’์„ ๋ฐ˜ํ™˜ํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ ๊ตฌํ˜„ํ•˜๋ฉด else ์˜ˆ์•ฝ์–ด๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š์•„๋„ ๋œ๋‹ค.
  • ํ•ต์‹ฌ ๋กœ์ง์„ ๊ตฌํ˜„ํ•˜๋Š” ์ฝ”๋“œ์™€ UI๋ฅผ ๋‹ด๋‹นํ•˜๋Š” ๋กœ์ง์„ ๊ตฌ๋ถ„ํ•œ๋‹ค.
    • UI ๋กœ์ง์„ InputView, ResultView์™€ ๊ฐ™์€ ํด๋ž˜์Šค๋ฅผ ์ถ”๊ฐ€ํ•ด ๋ถ„๋ฆฌํ•œ๋‹ค.
  • ํ•จ์ˆ˜(๋˜๋Š” ๋ฉ”์„œ๋“œ)์˜ ๊ธธ์ด๊ฐ€ 10๋ผ์ธ์„ ๋„˜์–ด๊ฐ€์ง€ ์•Š๋„๋ก ๊ตฌํ˜„ํ•œ๋‹ค.
  • ํ•จ์ˆ˜(๋˜๋Š” ๋ฉ”์†Œ๋“œ)๊ฐ€ ํ•œ ๊ฐ€์ง€ ์ผ๋งŒ ํ•˜๋„๋ก ์ตœ๋Œ€ํ•œ ์ž‘๊ฒŒ ๋งŒ๋“ค์–ด๋ผ.

๐Ÿ”ฅ ์ถ”๊ฐ€๋œ ์š”๊ตฌ ์‚ฌํ•ญ

  • Java 11 ์œผ๋กœ ๋ณ€๊ฒฝํ•œ๋‹ค.
  • ๋ชจ๋“  ์›์‹œ ๊ฐ’๊ณผ ๋ฌธ์ž์—ด์„ ํฌ์žฅํ•œ๋‹ค ์ฐธ๊ณ  ๊ธ€
  • ๊ตฌํ˜„ํ•œ ๊ธฐ๋Šฅ์— Test๋ฅผ ์ถ”๊ฐ€ํ•œ๋‹ค. ๋‹จ, UI(System.out, System.in) ๋กœ์ง์€ ์ œ์™ธ
  • ๋ฐฐ์—ด ๋Œ€์‹  ์ปฌ๋ ‰์…˜์„ ์‚ฌ์šฉํ•œ๋‹ค.
  • 3๊ฐœ ์ด์ƒ์˜ ์ธ์Šคํ„ด์Šค ๋ณ€์ˆ˜๋ฅผ ๊ฐ€์ง„ ํด๋ž˜์Šค๋ฅผ ์“ฐ์ง€ ์•Š๋Š”๋‹ค.
  • ๋”œ๋Ÿฌ์™€ ํ”Œ๋ ˆ์ด์–ด์—์„œ ๋ฐœ์ƒํ•˜๋Š” ์ค‘๋ณต ์ฝ”๋“œ๋ฅผ ์ œ๊ฑฐํ•ด์•ผ ํ•œ๋‹ค.
  • ์ผ๊ธ‰ ์ปฌ๋ ‰์…˜์„ ์“ด๋‹ค. ์ฐธ๊ณ  ๊ธ€

๐Ÿ“š ๊ณผ์ œ ์ง„ํ–‰ ์š”๊ตฌ ์‚ฌํ•ญ

  • ๋ฏธ์…˜์€ ํ•ด๋‹น ์ €์žฅ์†Œ๋ฅผ Fork/Cloneํ•จ์œผ๋กœ๋ถ€ํ„ฐ ์‹œ์ž‘๋œ๋‹ค.
  • ๊ธฐ๋Šฅ์„ ๊ตฌํ˜„ํ•˜๊ธฐ ์ „์— java-baseball/docs/README.md ํŒŒ์ผ์— ๊ตฌํ˜„ํ•  ๊ธฐ๋Šฅ ๋ชฉ๋ก์„ ์ •๋ฆฌํ•ด ์ถ”๊ฐ€ํ•œ๋‹ค.
  • Git์˜ ์ปค๋ฐ‹ ๋‹จ์œ„๋Š” ์•ž ๋‹จ๊ณ„์—์„œ README.md ํŒŒ์ผ์— ์ •๋ฆฌํ•œ ๊ธฐ๋Šฅ ๋ชฉ๋ก ๋‹จ์œ„๋กœ ์ถ”๊ฐ€ํ•œ๋‹ค.
  • ์ปค๋ฐ‹ ๋ฉ”์‹œ์ง€ ์ปจ๋ฒค์…˜ ๊ฐ€์ด๋“œ๋ฅผ ์ฐธ๊ณ ํ•ด ์ปค๋ฐ‹ ๋ฉ”์‹œ์ง€๋ฅผ ์ž‘์„ฑํ•œ๋‹ค.

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