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[๐Ÿš€ ์‚ฌ์ดํด2 - ๋ฏธ์…˜ (๋ธ”๋ž™์žญ ๋ฒ ํŒ…)] ์นด์•ผ ๋ฏธ์…˜ ์ œ์ถœํ•ฉ๋‹ˆ๋‹ค.#1121

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@choiyoung69 choiyoung69 commented Mar 14, 2026

์ฒดํฌ ๋ฆฌ์ŠคํŠธ

  • ๋ฏธ์…˜์˜ ํ•„์ˆ˜ ์š”๊ตฌ์‚ฌํ•ญ์„ ๋ชจ๋‘ ๊ตฌํ˜„ํ–ˆ๋‚˜์š”?
  • Gradle test๋ฅผ ์‹คํ–‰ํ–ˆ์„ ๋•Œ, ๋ชจ๋“  ํ…Œ์ŠคํŠธ๊ฐ€ ์ •์ƒ์ ์œผ๋กœ ํ†ต๊ณผํ–ˆ๋‚˜์š”?
  • ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์ด ์ •์ƒ์ ์œผ๋กœ ์‹คํ–‰๋˜๋‚˜์š”?

์–ด๋–ค ๋ถ€๋ถ„์— ์ง‘์ค‘ํ•˜์—ฌ ๋ฆฌ๋ทฐํ•ด์•ผ ํ• ๊นŒ์š”?

์•ˆ๋…•ํ•˜์„ธ์š” ๋งคํŠธ ๐Ÿ˜Š
์ด๋ฒˆ PR์—์„œ๋Š” ๊ธฐ๋Šฅ ๊ตฌํ˜„ ์ž์ฒด๋ณด๋‹ค ๊ฐ์ฒด ์„ค๊ณ„์™€ ์ฑ…์ž„ ๋ถ„๋ฆฌ๊ฐ€ ์ ์ ˆํ•œ ๋ฐฉํ–ฅ์ธ์ง€์— ๋Œ€ํ•ด ํŠนํžˆ ํ”ผ๋“œ๋ฐฑ์„ ๋ฐ›๊ณ  ์‹ถ์Šต๋‹ˆ๋‹ค !
OOP ๊ด€์ ์—์„œ ๋ฆฌ๋ทฐํ•ด์ฃผ์‹œ๋ฉด ๊ฐ์‚ฌํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค!

์งˆ๋ฌธ

1. ์ƒ์„ฑ์ž ๋ณ€๊ฒฝ์œผ๋กœ ์ธํ•ด ํ…Œ์ŠคํŠธ ์ฝ”๋“œ๋„ ํ•จ๊ป˜ ์ˆ˜์ •๋˜๋Š” ๊ฒƒ์ด ์ž์—ฐ์Šค๋Ÿฌ์šด ๊ฑด๊ฐ€์š”?

์ด๋ฒˆ ๋‹จ๊ณ„์—์„œ ์ฐธ๊ฐ€์ž์˜ ์ด๋ฆ„๊ณผ ๋ฒ ํŒ… ๊ธˆ์•ก์ด ๋ชจ๋‘ Gambler๊ฐ€ ๊ฐ€์ง€๋Š” ๊ฐ’์ด๋ฉฐ ์ดํ›„ ๋ณ€๊ฒฝ๋˜์ง€ ์•Š๋Š” ์ƒํƒœ๋ผ๊ณ  ํŒ๋‹จํ•˜์—ฌ, setter ๋Œ€์‹  ์ƒ์„ฑ์ž๋ฅผ ํ†ตํ•ด final ํ•„๋“œ๋กœ ์ฃผ์ž…ํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ ๋ณ€๊ฒฝํ–ˆ์Šต๋‹ˆ๋‹ค.
๋‹ค๋งŒ ์ด ๊ณผ์ •์—์„œ Gambler์˜ ์ƒ์„ฑ์ž๊ฐ€ ๋ณ€๊ฒฝ๋˜์—ˆ๊ณ , ๊ทธ ๊ฒฐ๊ณผ ๊ธฐ์กด ํ…Œ์ŠคํŠธ ์ฝ”๋“œ์—์„œ๋„ ์ƒ์„ฑ์ž ํ˜ธ์ถœ๋ถ€๋ฅผ ํ•จ๊ป˜ ์ˆ˜์ •ํ•ด์•ผ ํ–ˆ์Šต๋‹ˆ๋‹ค.
๊ฐ์ฒด์˜ ํ•ต์‹ฌ ์ƒํƒœ๊ฐ€ ์ƒ์„ฑ ์‹œ์ ์— ๊ฒฐ์ •๋˜๋Š” ๊ฒฝ์šฐ๋ผ๋ฉด ์ƒ์„ฑ์ž ์ฃผ์ž…์ด ๋” ์ž์—ฐ์Šค๋Ÿฝ๋‹ค๊ณ  ์ƒ๊ฐํ–ˆ์ง€๋งŒ,
ํ•œํŽธ์œผ๋กœ๋Š” ์ƒ์„ฑ์ž ๋ณ€๊ฒฝ ๋•Œ๋ฌธ์— ํ…Œ์ŠคํŠธ ์ฝ”๋“œ๋ฅผ ๊ณ„์† ์ˆ˜์ •ํ•ด์•ผ ํ•˜๋Š” ๊ฒƒ์ด ์‹ค๋ฌด์—์„œ๋„ ์ผ๋ฐ˜์ ์ธ ๋ฐฉ์‹์ธ์ง€,
ํ˜น์€ ํ…Œ์ŠคํŠธ ์ฝ”๋“œ๋ฅผ ์ˆ˜์ •ํ•˜์ง€ ์•Š๋„๋ก ๊ตฌ์กฐ๋ฅผ ์„ค๊ณ„ํ•˜๋Š” ๋‹ค๋ฅธ ๋ฐฉ๋ฒ•์ด ์žˆ๋Š”์ง€ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค.

2. ๊ฐ์ฒด ์ƒ์„ฑ ์ฑ…์ž„์€ ์™ธ๋ถ€์—์„œ ํ•˜๋Š” ๊ฒƒ์ด ์ข‹์€์ง€, ๋‚ด๋ถ€์—์„œ ํ•˜๋Š” ๊ฒƒ์ด ์ข‹์€ ์ง€ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค.

๊ธฐ์กด ๊ตฌํ˜„์—์„œ๋Š” String ํ˜•ํƒœ์˜ ์ด๋ฆ„์„ ๋„˜๊ธฐ๋ฉด Participant ๋‚ด๋ถ€์—์„œ Name ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑํ•˜๋Š” ๊ตฌ์กฐ์˜€์Šต๋‹ˆ๋‹ค.
์˜ˆ์‹œ

String โ†’ Participant ์ƒ์„ฑ โ†’ ๋‚ด๋ถ€์—์„œ Name ๊ฐ์ฒด ์ƒ์„ฑ

ํ•˜์ง€๋งŒ ์ด๋ฒˆ์—๋Š” ๊ฐ€๋Šฅํ•œ ํ•œ ์™ธ๋ถ€์—์„œ Name ๊ฐ์ฒด๋ฅผ ๋จผ์ € ์ƒ์„ฑํ•œ ๋’ค Gambler์— ์ฃผ์ž…ํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ ๋ณ€๊ฒฝํ–ˆ์Šต๋‹ˆ๋‹ค.
์ฆ‰

String โ†’ Name ๊ฐ์ฒด ์ƒ์„ฑ โ†’ Gambler ์ƒ์„ฑ

์ด ๋ฐฉ์‹์ด ๊ฐ์ฒด์˜ ์ฑ…์ž„์„ ๋” ๋ถ„๋ฆฌํ•  ์ˆ˜ ์žˆ๊ณ  ์˜์กด ๊ด€๊ณ„๋„ ๋ช…ํ™•ํ•ด์ง„๋‹ค๊ณ  ์ƒ๊ฐํ–ˆ๋Š”๋ฐ,
์‹ค๋ฌด๋‚˜ ๊ฐ์ฒด์ง€ํ–ฅ ์„ค๊ณ„ ๊ด€์ ์—์„œ๋„ ์™ธ๋ถ€์—์„œ ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑํ•ด ์ฃผ์ž…ํ•˜๋Š” ๋ฐฉ์‹์ด ๋” ์ผ๋ฐ˜์ ์ธ ์ ‘๊ทผ์ธ์ง€,
์•„๋‹ˆ๋ฉด ๋‚ด๋ถ€์—์„œ ํ•„์š”ํ•œ ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑํ•˜๋Š” ๋ฐฉ์‹๋„ ์ถฉ๋ถ„ํžˆ ๊ดœ์ฐฎ์€ ์„ค๊ณ„์ธ์ง€ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค.

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์•ˆ๋…•ํ•˜์„ธ์š” ์นด์•ผ! ์‚ฌ์ดํด 2๋„ ๋น ๋ฅด๊ฒŒ ์ž˜ ๊ตฌํ˜„ํ•ด์ฃผ์…จ๋„ค์š” ๐Ÿ˜ƒ

๊ฐ„๋‹จํžˆ ์ฝ”๋ฉ˜ํŠธ ๋‚จ๊ฒผ์œผ๋‹ˆ ํ™•์ธํ•ด์ฃผ์‹œ๊ณ  ์ถ”๊ฐ€์ ์œผ๋กœ ๊ถ๊ธˆํ•œ ๋ถ€๋ถ„์ด ์žˆ๋‹ค๋ฉด ์–ธ์ œ๋“  ํŽธํ•˜๊ฒŒ DM ๋‚จ๊ฒจ์ฃผ์„ธ์š”~

Comment on lines +7 to +9
public Money(String betAmountInput) {
this.betAmount = validateBetAmount(betAmountInput);
}
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Long ํƒ€์ž…์œผ๋กœ ๋ˆ์„ ๊ด€๋ฆฌํ•˜๋ฉด ์–ด๋–ค ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ์„๊นŒ์š”?

Comment on lines 7 to 18
public class Gambler extends Participant{
public Gambler(String name) {
super(name);

private final Money betAmount;

public Gambler(Name name, Hand hand, Money betAmount) {
super(name, hand);
this.betAmount = betAmount;
}

public Long getAmount() {
return betAmount.getBetAmount();
}
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์š”๊ฑฐ ์ œ๊ฐ€ ์ด์ „ ๋ฆฌ๋ทฐ์—์„œ ๋†“์น˜๊ธด ํ–ˆ๋Š”๋ฐ ์ปจ๋ฒค์…˜ ๋งž์ถ”๋ฉด ์ข‹์„ ๊ฒƒ ๊ฐ™๋„ค์š”!

public Gambler(String name) {
super(name);

private final Money betAmount;
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Gambler๊ฐ€ Money๋ฅผ ๊ฐ€์ง€๋„๋ก ๊ตฌ์„ฑํ•œ ์ด์œ ๋Š” ๋ฌด์—‡์ธ๊ฐ€์š”?

Comment on lines 10 to +51
### ๊ธฐ๋Šฅ

1. ์ž…๋ ฅ ์ฒ˜๋ฆฌ

- [x] ์ž…๋ ฅ๋ฐ›์€ ๋ฌธ์ž์—ด์„ โ€˜,โ€™๋ฅผ ๊ธฐ์ค€์œผ๋กœ ํŒŒ์‹ฑํ•œ๋‹ค.
- [x] ํŒŒ์‹ฑํ•œ ์ด๋ฆ„์„ ๊ฒ€์ฆํ•œ๋‹ค.

1. ๊ฒŒ์ž„ ์„ธํŒ…
- [x] ํ•œ ๋ช…์˜ ๋”œ๋Ÿฌ๊ฐ€ ์กด์žฌํ•œ๋‹ค.
- [x] ๋”œ๋Ÿฌ๋Š” "Dealer"๋ผ๋Š” ์ด๋ฆ„์œผ๋กœ ๊ณ ์ •๋œ๋‹ค.

- [x] ์—ฌ๋Ÿฌ ๋ช…์˜ ์ฐธ๊ฐ€์ž๊ฐ€ ์กด์žฌํ•œ๋‹ค.
- [x] ์ฐธ๊ฐ€์ž๋Š” ์ตœ์†Œ 1๋ช… ์ด์ƒ์ด๋‹ค.
- [x] ์ฐธ๊ฐ€์ž๋Š” ์ด๋ฆ„์„ ๊ฐ€์ง„๋‹ค.
- [x] ์ด๋ฆ„์€ 2 ~ 10์ž ์‚ฌ์ด์ด๋‹ค.
- [x] ์ด๋ฆ„์€ ์•ŒํŒŒ๋ฒณ์œผ๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ๋‹ค.
- [x] ์ฐธ๊ฐ€์ž๋Š” ๋ฒ ํŒ… ๊ธˆ์•ก์„ ๊ฐ–๋Š”๋‹ค.
- [x] ์ž…๋ ฅ ๊ธˆ์•ก์€ ์–‘์ˆ˜์—ฌ์•ผ ํ•œ๋‹ค.
- [x] ์ž…๋ ฅ ๊ธˆ์•ก์€ 100์–ต์„ ๋„˜์ง€ ์•Š๋Š”๋‹ค.
- [x] ์ฐธ๊ฐ€์ž๋“ค์˜ ์ด๋ฆ„์€ ์ค‘๋ณต์ผ ์ˆ˜ ์—†๋‹ค

2. ๊ฒŒ์ž„ ์ง„ํ–‰

- [x] ๋”œ๋Ÿฌ์™€ ์ฐธ๊ฐ€์ž๋“ค์—๊ฒŒ ๊ฐ๊ฐ 2 ์žฅ์˜ ์นด๋“œ๋ฅผ ๋žœ๋คํ•˜๊ฒŒ ๋ถ€์—ฌํ•œ๋‹ค. ์ด๋•Œ ๋”œ๋Ÿฌ์˜ ์นด๋“œ๋Š” ๊ฐ€์žฅ ์ฒ˜์Œ ๋ฐ›์€ ์นด๋“œ ํ•œ ์žฅ๋งŒ ๋ณด์—ฌ์ค€๋‹ค.
- [x] ๊ฐ ์ฐธ๊ฐ€์ž๋“ค๋ณ„๋กœ bust๊ฐ€ ๋‚˜๊ธฐ ์ „๊นŒ์ง€ ์นด๋“œ๋ฅผ ๋” ๋ฐ›๋Š” Hit(y) ๋˜๋Š” ๊ทธ๋งŒ ๋ฐ›๋Š” Stand(n)๋ฅผ ์„ ํƒํ•œ๋‹ค.
- [x] โ€˜A์—์ด์Šคโ€™๋Š” ํ˜„์žฌ ๊ฐ€์ง€๊ณ  ์žˆ๋Š” ์นด๋“œ์˜ ํ•ฉ์— ๋”ฐ๋ผ ์ž๋™์œผ๋กœ ๊ณ„์‚ฐ๋˜์–ด ์ ์šฉ๋œ๋‹ค.
- [x] ํ˜„์žฌ ๊ฐ€์ง€๊ณ  ์žˆ๋Š” ์นด๋“œ์˜ ํ•ฉ + 11์˜ ๊ฐ’์ด 21 ์ดˆ๊ณผ์ธ ๊ฒฝ์šฐ 1๋กœ ๊ณ„์‚ฐํ•œ๋‹ค.
- [x] ํ˜„์žฌ ๊ฐ€์ง€๊ณ  ์žˆ๋Š” ์นด๋“œ์˜ ํ•ฉ + 11์˜ ๊ฐ’์ด 21์ธ ๊ฒฝ์šฐ 11๋กœ ๊ณ„์‚ฐํ•œ๋‹ค.
- [x] ํ˜„์žฌ ๊ฐ€์ง€๊ณ  ์žˆ๋Š” ์นด๋“œ์˜ ํ•ฉ + 11์˜ ๊ฐ’์ด 21 ๋ฏธ๋งŒ์ด๋ฉด 11๋กœ ๊ณ„์‚ฐํ•œ๋‹ค.
- [x] ๋”œ๋Ÿฌ๊ฐ€ ์ฒ˜์Œ ๋ฐ›์€ 2์žฅ์˜ ํ•ฉ๊ณ„๊ฐ€ 16์ดํ•˜๋ฉด ๋ฐ˜๋“œ์‹œ 1์žฅ์˜ ์นด๋“œ๋ฅผ ์ถ”๊ฐ€๋กœ ๋ฐ›์•„์•ผ ํ•˜๊ณ , 17์  ์ด์ƒ์ด๋ฉด ์ถ”๊ฐ€๋กœ ๋ฐ›์„ ์ˆ˜ ์—†๋‹ค. (1์žฅ ์ดˆ๊ณผ ๋ฐ›์ง€ ์•Š์Œ)



3. ๊ฒฐ๊ณผ ์ฒ˜๋ฆฌ

- [X] ๋ฑ์€ ํ•œ ๋ฑ(52์žฅ)์œผ๋กœ ๊ณ ์ •ํ•œ๋‹ค(์ด๋•Œ ํ•˜๋“œ์ฝ”๋”ฉํ•˜์ง€ ์•Š๋Š”๋‹ค)
- [x] ๋”œ๋Ÿฌ์™€ ์ฐธ๊ฐ€์ž๋Š” ์†ํŒจ(์นด๋“œ ๋ชฉ๋ก)์„ ๊ฐ€์งˆ ์ˆ˜ ์žˆ๋‹ค.
- [x] ์นด๋“œ๋Š” ๋žœ๋คํ•˜๊ฒŒ ๋ถ€์—ฌ๋œ๋‹ค.
- [x] ๋”œ๋Ÿฌ์™€ ์ฐธ๊ฐ€์ž๋Š” ๊ฒŒ์ž„ ์‹œ์ž‘ ์‹œ 2์žฅ์˜ ์นด๋“œ๋ฅผ ๋ถ€์—ฌ๋ฐ›๋Š”๋‹ค.
- [x] ๋ฑ์€ ํ•œ ๋ฑ(52์žฅ)์œผ๋กœ ๊ณ ์ •ํ•œ๋‹ค
- [x] ์นด๋“œ๋Š” ์ ์ˆ˜๋ฅผ ๊ฐ€์ง€๊ณ  ์žˆ๋‹ค.
- [x] ์ˆซ์ž ์นด๋“œ๋Š” ์ˆซ์ž๋งŒํผ์˜ ์ ์ˆ˜๋ฅผ ๊ฐ€์ง„๋‹ค.
- [x] ACE์ธ ๊ฒฝ์šฐ 1 ๋˜๋Š” 11์˜ ๊ฐ’์„ ๊ฐ€์ง„๋‹ค
- [x] K, Q, J๋Š” 10์ ์„ ๊ฐ€์ง„๋‹ค.
- [x] ์ฐธ๊ฐ€์ž๋“ค์€ ๋ฒ„์ŠคํŠธ๋‚˜๊ธฐ ์ „๊นŒ์ง€ ์นด๋“œ๋ฅผ ๋” ๋ฐ›๋Š” Hit(y)ํ•  ์ˆ˜ ์žˆ๋‹ค.
- [x] ์ฐธ๊ฐ€์ž๋“ค์€ ์นด๋“œ๋ฅผ ๊ทธ๋งŒ ๋ฐ›๋Š” Stand(n)๋ฅผ ์„ ํƒํ•  ์ˆ˜ ์žˆ๋‹ค.
- [x] y/n ์ด์™ธ์˜ ์ž…๋ ฅ์€ ๋ฐ›์„ ์ˆ˜ ์—†๋‹ค
- [x] ๋”œ๋Ÿฌ๋Š” ์ฒ˜์Œ 2์žฅ์˜ ํ•ฉ์ด 16์ดํ•˜๋ฉด 1์žฅ์˜ ์นด๋“œ๋ฅผ ์ถ”๊ฐ€๋กœ ๋ฐ›๋Š”๋‹ค.

3. ๊ฒŒ์ž„ ์ ์ˆ˜ ๊ณ„์‚ฐ
- [x] ๋”œ๋Ÿฌ์™€ ๊ฐ ์ฐธ๊ฐ€์ž๋“ค์˜ ์นด๋“œ ํ•ฉ์„ ๊ตฌํ•œ๋‹ค.
- [x] ACE๊ฐ€ ์กด์žฌํ•˜์ง€ ์•Š์„ ๊ฒฝ์šฐ ๋ชจ๋“  ์นด๋“œ ์ ์ˆ˜๋ฅผ ํ•ฉ์‚ฐํ•œ๋‹ค.
- [x] ACE๊ฐ€ ์กด์žฌํ•  ๊ฒฝ์šฐ 11๋กœ ์ง€์ •ํ•œ ๋’ค ํ•ฉ์‚ฐํ•œ ์นด๋“œ ์ ์ˆ˜๊ฐ€ 21์„ ์ด์ƒ์ธ ๊ฒฝ์šฐ 1๋กœ ํ™˜์‚ฐํ•˜์—ฌ ๊ณ„์‚ฐํ•œ๋‹ค

4. ๊ฒŒ์ž„ ๊ฒฐ๊ณผ
- [x] ์ฐธ๊ฐ€์ž ์Šน : ๋”œ๋Ÿฌ๋ณด๋‹ค ํ•ฉ์ด 21์— ๋” ๊ฐ€๊นŒ์šด ๊ฒฝ์šฐ or ๋”œ๋Ÿฌ๊ฐ€ ๋ฒ„์ŠคํŠธ์ธ ๊ฒฝ์šฐ(์ฐธ๊ฐ€์ž ๋ฒ„์ŠคํŠธ X)
- [x] ์ฐธ๊ฐ€์ž ๋ฌด์Šน๋ถ€: ์ฐธ๊ฐ€์ž์™€ ๋”œ๋Ÿฌ์˜ ํ•ฉ์ด ๊ฐ™์Œ(๋ฒ„์ŠคํŠธ X)
- [x] ์ฐธ๊ฐ€์ž๊ฐ€ 21์ธ ๊ฒฝ์šฐ : ๋ฒ ํŒ… ๊ธˆ์•ก์˜ 1.5๋ฐฐ๋ฅผ ๋ฐ›๋Š”๋‹ค
- [x] ์ฐธ๊ฐ€์ž๊ฐ€ 21์ด ์•„๋‹Œ ๊ฒฝ์šฐ : ๋ฒ ํŒ… ๊ธˆ์•ก๋งŒํผ ๋ฐ›๋Š”๋‹ค
- [x] ์ฐธ๊ฐ€์ž ๋ฌด์Šน๋ถ€: ์ฐธ๊ฐ€์ž์™€ ๋”œ๋Ÿฌ์˜ ํ•ฉ์ด ๊ฐ™์Œ
- [x] ๊ธฐ์กด ๋ฒ ํŒ… ๊ธˆ์•ก์„ ๊ทธ๋Œ€๋กœ ๋Œ๋ ค๋ฐ›๋Š”๋‹ค.
- [x] ์ฐธ๊ฐ€์ž ํŒจ : ์ฐธ๊ฐ€์ž ๋ฒ„์ŠคํŠธ or ๋”œ๋Ÿฌ๋ณด๋‹ค ํ•ฉ์ด ์ ์Œ(๋”œ๋Ÿฌ๊ฐ€ ๋ฒ„์ŠคํŠธ X)
- [x] ๋ฒ ํŒ… ๊ธˆ์•ก์„ ์žƒ๋Š”๋‹ค.
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์š”๊ตฌ์‚ฌํ•ญ์„ ๊ผผ๊ผผํ•˜๊ฒŒ ์ž˜ ์ •๋ฆฌํ•˜์˜€๋„ค์š” ๐Ÿ‘

Comment on lines +18 to +21
Name name = new Name("coco");
Hand hand = new Hand();
Money money = new Money("10000");
Gambler gambler = new Gambler(name, hand, money);
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์ด๋ฒˆ ๋‹จ๊ณ„์—์„œ ์ฐธ๊ฐ€์ž์˜ ์ด๋ฆ„๊ณผ ๋ฒ ํŒ… ๊ธˆ์•ก์ด ๋ชจ๋‘ Gambler๊ฐ€ ๊ฐ€์ง€๋Š” ๊ฐ’์ด๋ฉฐ ์ดํ›„ ๋ณ€๊ฒฝ๋˜์ง€ ์•Š๋Š” ์ƒํƒœ๋ผ๊ณ  ํŒ๋‹จํ•˜์—ฌ, setter ๋Œ€์‹  ์ƒ์„ฑ์ž๋ฅผ ํ†ตํ•ด final ํ•„๋“œ๋กœ ์ฃผ์ž…ํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ ๋ณ€๊ฒฝํ–ˆ์Šต๋‹ˆ๋‹ค.
๋‹ค๋งŒ ์ด ๊ณผ์ •์—์„œ Gambler์˜ ์ƒ์„ฑ์ž๊ฐ€ ๋ณ€๊ฒฝ๋˜์—ˆ๊ณ , ๊ทธ ๊ฒฐ๊ณผ ๊ธฐ์กด ํ…Œ์ŠคํŠธ ์ฝ”๋“œ์—์„œ๋„ ์ƒ์„ฑ์ž ํ˜ธ์ถœ๋ถ€๋ฅผ ํ•จ๊ป˜ ์ˆ˜์ •ํ•ด์•ผ ํ–ˆ์Šต๋‹ˆ๋‹ค.
๊ฐ์ฒด์˜ ํ•ต์‹ฌ ์ƒํƒœ๊ฐ€ ์ƒ์„ฑ ์‹œ์ ์— ๊ฒฐ์ •๋˜๋Š” ๊ฒฝ์šฐ๋ผ๋ฉด ์ƒ์„ฑ์ž ์ฃผ์ž…์ด ๋” ์ž์—ฐ์Šค๋Ÿฝ๋‹ค๊ณ  ์ƒ๊ฐํ–ˆ์ง€๋งŒ,
ํ•œํŽธ์œผ๋กœ๋Š” ์ƒ์„ฑ์ž ๋ณ€๊ฒฝ ๋•Œ๋ฌธ์— ํ…Œ์ŠคํŠธ ์ฝ”๋“œ๋ฅผ ๊ณ„์† ์ˆ˜์ •ํ•ด์•ผ ํ•˜๋Š” ๊ฒƒ์ด ์‹ค๋ฌด์—์„œ๋„ ์ผ๋ฐ˜์ ์ธ ๋ฐฉ์‹์ธ์ง€,
ํ˜น์€ ํ…Œ์ŠคํŠธ ์ฝ”๋“œ๋ฅผ ์ˆ˜์ •ํ•˜์ง€ ์•Š๋„๋ก ๊ตฌ์กฐ๋ฅผ ์„ค๊ณ„ํ•˜๋Š” ๋‹ค๋ฅธ ๋ฐฉ๋ฒ•์ด ์žˆ๋Š”์ง€ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค.

์นด์•ผ๋Š” ์ด๋ฒˆ์— ๋ฒ ํŒ… ๊ธˆ์•ก์˜ ์œ„์น˜๋ฅผ ๊ณ ๋ คํ•˜๋‹ค Gambler๊ฐ€ ํ•ด๋‹น ์ฑ…์ž„์„ ๋‘๋Š” ๊ฒƒ์ด ์ ํ•ฉํ•˜๋‹ค ํŒ๋‹จํ•œ ๊ฒƒ์œผ๋กœ ์ดํ•ดํ•˜์˜€๋Š”๋ฐ์š”, ๋ฒ ํŒ… ๊ธˆ์•ก์ด๋ผ๋Š” ์ถ”๊ฐ€์ ์ธ ๋น„์ฆˆ๋‹ˆ์Šค๋Š” ๊ธฐ์กด ๋กœ์ง์— ์œ ๊ธฐ์ ์œผ๋กœ ์—ฐ๊ฒฐํ•˜๊ธฐ ์–ด๋ ค์šด ๋ถ€๋ถ„์ด ์žˆ๋Š” ๊ฒƒ ๊ฐ™์•„์š”. ๊ทธ๋ ‡๊ธฐ ๋•Œ๋ฌธ์— ์ƒ์„ฑ์ž์— ๋Œ€ํ•œ ์ˆ˜์ •๋„ ๋ถˆ๊ฐ€ํ”ผํ•˜๊ฒŒ ์ด๋ค„์ง„ ๊ฒƒ์œผ๋กœ ์ดํ•ด๊ฐ€ ๋˜๊ตฌ์š”!

๋ง์”€ ์ฃผ์‹  ๊ฒƒ ์ฒ˜๋Ÿผ ์–ด๋– ํ•œ ๋‚ด๋ถ€ ํ•„๋“œ๊ฐ€ ์ถ”๊ฐ€๋˜๋ฉฐ ์ฑ…์ž„์ด ์ปค์ง€๋Š” ์ˆœ๊ฐ„ ์ด๋ฅผ ์ƒ์„ฑํ•˜๊ธฐ ์œ„ํ•œ ์ƒ์„ฑ์ž๋„ ์˜ํ–ฅ์„ ๋ฐ›๊ฒŒ ๋ ํ…๋ฐ์š”, ๊ทธ์— ๋”ฐ๋ฅธ ํ…Œ์ŠคํŠธ ์ˆ˜์ •์€ ๋ถˆ๊ฐ€ํ”ผํ•  ๊ฒƒ ๊ฐ™์•„์š”. ๊ทธ๋ ‡๊ธฐ ๋•Œ๋ฌธ์— ์ด๋Ÿฌํ•œ ์ˆ˜์ •์€ ์–ด๋А์ •๋„ ํ—ˆ์šฉํ•˜๊ณ  ๋„˜์–ด๊ฐ€๋Š” ํŽธ์ž…๋‹ˆ๋‹ค.

์ตœ์†Œํ•œ์˜ ์ˆ˜์ •์„ ๊ตฌ์„ฑํ•˜๊ณ  ์‹ถ๋‹ค๋ฉด ๊ธฐ์กด ๊ฐ์ฒด๋Š” ๊ทธ๋Œ€๋กœ ๋‘๊ณ  ์‹ ๊ทœ ๊ธฐ๋Šฅ์„ ๋ณ„๋„ ๊ฐ์ฒด๋กœ ๋…๋ฆฝ ์‹œํ‚จ ๋’ค ๋‘ ๊ฐ์ฒด๋ฅผ ์ƒˆ๋กญ๊ฒŒ ๊ด€๊ณ„๋ฅผ ๋งฝ๋„๋ก ํ•˜๋ฉด ์ˆ˜์ •์„ ์ตœ์†Œํ™”ํ•  ์ˆ˜ ์žˆ์ง€๋งŒ ๋ถˆํ•„์š”ํ•œ ๊ฐ์ฒด ๊ด€๊ณ„๊ฐ€ ์ƒ๊ธธ ์ˆ˜๋„ ์žˆ์–ด์„œ ์ ์ ˆํ•œ ํŠธ๋ ˆ์ด๋“œ์˜คํ”„๊ฐ€ ํ•„์š”ํ•˜์ง€ ์•Š๋‚˜ ์ƒ๊ฐ์ด ๋ฉ๋‹ˆ๋‹ค!

Comment on lines +16 to 19
public Participant(Name name, Hand hand) {
this.name = name;
this.hand = hand;
}
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๊ฐ์ฒด ์ƒ์„ฑ ์ฑ…์ž„์€ ์™ธ๋ถ€์—์„œ ํ•˜๋Š” ๊ฒƒ์ด ์ข‹์€์ง€, ๋‚ด๋ถ€์—์„œ ํ•˜๋Š” ๊ฒƒ์ด ์ข‹์€ ์ง€ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค.

์ €๋Š” ๋ณดํ†ต Name์ด๋ผ๋Š” ๊ฐ์ฒด๋ฅผ ์™ธ๋ถ€์—์„œ ์˜์กดํ•ด๋„ ๊ดœ์ฐฎ์€์ง€์— ๋Œ€ํ•œ ๊ด€์ ์œผ๋กœ ํŒ๋‹จํ•˜๋Š” ๊ฒƒ ๊ฐ™์•„์š”. ๋‹จ์ˆœํ•œ String์œผ๋กœ ์ „๋‹ฌํ•˜๊ฒŒ ๋˜๋ฉด Name ๊ฐ์ฒด๋Š” Participant ๋‚ด์—์„œ๋งŒ ์†Œ๋ชจ๋  ์ˆ˜ ์žˆ๊ณ  ์™ธ๋ถ€๋กœ ๋…ธ์ถœ ์‹œํ‚ค์ง€ ์•Š์„ ์ˆ˜ ์žˆ๊ธฐ ๋•Œ๋ฌธ์— ์˜์กด์„ฑ์„ ์ตœ์†Œํ™”ํ•  ์ˆ˜ ์žˆ์ง€ ์•Š์„๊นŒ ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.

Comment on lines +33 to +35
public boolean isBlackJack() {
return hand.getCardsSize() == 2 && getTotalScore() == BLACK_JACK_NUMBER;
}
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์ œ๊ฐ€ ์•Œ๊ธฐ๋กœ Blackjack์€ ํ•œ ๋‹จ์–ด๋ผ isBlackjack, BLACKJACK_NUMBER๊ฐ€ ๋งž์ง€ ์•Š๋‚˜ ์‹ถ๋„ค์š”?! ์š”๊ฑด ์ฐธ๊ณ ๋งŒ ํ•ด์ฃผ์„ธ์š” ใ…Žใ…Ž

Comment on lines +17 to 28
this.gamblersResult = gamblers.getGamblers()
.stream()
.filter(result -> result == GameResult.LOSE)
.count();
.collect(Collectors.toMap(Gambler::getName, gambler -> {
GameResult gameResult = GameResult.determine(dealerTotalScore, gambler.getTotalScore());
if (gameResult == GameResult.WIN && gambler.isBlackJack()) {
return gambler.getAmount() * 3 / 2;
}
if(gameResult == GameResult.WIN) return gambler.getAmount();
if(gameResult == GameResult.LOSE) return -gambler.getAmount();
return 0L;
}));
}
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๋ฐ˜๋ณต๋œ If๋ฅผ ์–ด๋–ป๊ฒŒ ์ค„์ผ ์ˆ˜ ์žˆ์„๊นŒ์š”?

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