Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. Weโ€™ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

๐Ÿ”€ [hanse & sally] ๋กœ๋˜ 2๋‹จ๊ณ„ - ๋ณด๋„ˆ์Šค ๋ฒˆํ˜ธ ์ถ”๊ฐ€ #45

Open
wants to merge 15 commits into
base: sally-ksh
Choose a base branch
from

Conversation

rkolx
Copy link
Member

@rkolx rkolx commented Feb 25, 2022

java-lotto

๋งˆ์Šคํ„ฐ์ฆˆ ๋ฉค๋ฒ„์Šค 2022 ๋กœ๋˜ ๊ฒŒ์ž„ ํ”„๋กœ์ ํŠธ

  • pair programming (hanse, sally)

๊ธฐ๋Šฅ์š”๊ตฌ์‚ฌํ•ญ

  • 2๋“ฑ์„ ์œ„ํ•ด ์ถ”๊ฐ€ ๋ฒˆํ˜ธ๋ฅผ ํ•˜๋‚˜ ๋” ์ถ”์ฒจํ•œ๋‹ค. ๋‹น์ฒจ ํ†ต๊ณ„์— 2๋“ฑ๋„ ์ถ”๊ฐ€ํ•ด์•ผ ํ•œ๋‹ค.

ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์š”๊ตฌ์‚ฌํ•ญ

  • enum์„ ์ ์šฉํ•ด ํ”„๋กœ๊ทธ๋ž˜๋ฐ์„ ๊ตฌํ˜„ํ•œ๋‹ค.

์ถœ๋ ฅ ๊ฒฐ๊ณผ

rkolx and others added 13 commits February 24, 2022 22:42
- ๋ณด๋„ˆ์Šค๋ณผ ์ž…๋ ฅ ์ถ”๊ฐ€
- WinningNumber ํด๋ž˜์Šค ์ƒ์„ฑ
- Winnings ํด๋ž˜์Šค์—์„œ WinningNumberCouter๋กœ ํด๋ž˜์Šค ๋ช… ์ˆ˜์ •
- Lottos ํด๋ž˜์Šค : ๋ณด๋„ˆ์Šค ๋ฒˆํ˜ธ ์ถ”๊ฐ€ํ•˜์—ฌ ๊ฐœ์ˆ˜ ์„ธ๊ธฐ
- Main.class -> LottoPlay
- Lottos getNumberOfWinningAboveThree() -> Ranking ์—๊ฒŒ ์ „๋‹ฌ
- Ranking
  - this.ranking ๋ฐ˜ํ™˜์„ ์ˆ˜์ •ํ•˜๊ฒŒ ์œ„ํ•ด String์œผ๋กœ์˜ ๋ณ€๊ฒฝ๋กœ์ง์„ ์˜ฎ๊น€
- BasicWinningNumbers
  - ๊ธฐ์กด์˜ ๋กœ๋˜ ๊ฒฐ๊ณผ ์ถœ๋ ฅ ๊ธฐ๋Šฅ
- AddedWinningNumbers
  - ๊ธฐ์กด์˜ ๋กœ๋˜ ๊ฒฐ๊ณผ์— ์ถ”๊ฐ€๋˜๋Š” ๋ณด๋„ˆ์Šค ์ˆซ์ž๋“ค ์ „๋‹ฌ
  - BonusWinningNumbers ๊ตฌํ˜„์ฒด
- UserLotto
 - ์ž…๋ ฅ๋ฐ›์€ ์‚ฌ์šฉ์ž ์š”์ฒญ์„ ํ†ตํ•ด ๋กœ๋˜ ์ƒ์„ฑ, ๋ณด๊ด€, ๋‹น์ฒจ ๊ฒฐ๊ณผ์™€์˜ ๋งค์นญ ๊ธฐ๋Šฅ์„ ๊ฐ€์ง„๋‹ค.
- ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง์„ ๋‚˜๋ˆ„๋ฉด์„œ ์‚ฌ์šฉ์ž๊ฐ€ ๊ฐ€์ง„ ํ‹ฐ์ผ“ ์ •๋ณด์™€ ๋‹น์ฒจ ์ •๋ณด๋ฅผ ํŒจํ‚ค์ง€๋กœ ๋ถ„๋ฆฌ
- Lottos ํด๋ž˜์Šค : getTotalLottos()์—์„œ ๊ตฌ๋งคํ•œ ๊ฐœ์ˆ˜๋งŒํผ ๋กœ๋˜ ๋ฒˆํ˜ธ ๋‹ด๋Š” getPurchassedLotoos() ์ถ”๊ฐ€ ๋ถ„๋ฆฌ
- Lottos ํด๋ž˜์Šค : getTotalLottos() ๋‚ด ๋กœ๋˜ ๋ฒˆํ˜ธ ๋‹ด๋Š” ๋ถ€๋ถ„ toLottos() ์ƒ์„ฑํ•˜์—ฌ ๋ถ„๋ฆฌ
- LottoPlayํด๋ž˜์Šค๋ช…์—์„œ LottoApplicationํด๋ž˜์Šค๋ช…์œผ๋กœ ๋ณ€๊ฒฝ
@rkolx rkolx added the review-BE Improvements or additions to documentation label Feb 25, 2022
@wheejuni wheejuni self-requested a review February 26, 2022 00:40
@wheejuni wheejuni self-assigned this Feb 26, 2022
Copy link

@wheejuni wheejuni left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

์ˆ˜๊ณ  ๋งŽ์œผ์…จ์Šต๋‹ˆ๋‹ค ๐Ÿ’ฏ
์ฝ”๋ฉ˜ํŠธ ์ฐธ๊ณ ํ•ด์ฃผ์„ธ์š”~

Comment on lines +13 to +15
private static LottoMachine lottoMachine = new LottoMachine();
private static Lottos lottos = new Lottos();
private static UserLotto userLotto = new UserLotto(lottoMachine, lottos);

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

์ด ๋ถ€๋ถ„์„ ์–ด๋–ป๊ฒŒ ๊ฐœ์„ ํ•˜๋ฉด ์ข‹์„์ง€ 3๋‹จ๊ณ„์—์„œ ๊ณ ๋ฏผํ•ด์ฃผ์„ธ์š”~

ํžŒํŠธ: LottoGame ๋ถ„๋ฆฌ, ์˜์กด์„ฑ ์ฃผ์ž…

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

์œผ-์Œ.... ์–ด๋ ต์ง€๋งŒ, ์•Œ ๊ฒƒ๋„ ๊ฐ™๊ณ ... @_@๊ณ ๋ฏผ ํ•ด์„œ ๊ฐœ์„ ๋˜๋„๋ก ๋…ธ๋ ฅํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.
3๋‹จ๊ณ„ ์ง„ํ–‰ํ•˜๋ฉด์„œ ์˜คํ† ,์ˆ˜๋™๋งŒ di๋กœ ํ–ˆ๋Š”๋ฐ๋„, ๋ณด์ง€ ๋ชปํ•œ ๋ถ€๋ถ„์ด ์žˆ๋Š” ๊ฑฐ ๊ฐ™์•„์š”.
์•Œ๋ ค์ฃผ์…”์„œ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.๐Ÿฅ‡

public static void main(String[] args) {
PurchasedLotto purchasedLotto = purchaseLotto();

List<List<Integer>> totalLottos = userLotto.getTickets(purchasedLotto);

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

List<List<T>> ์™€ 2์ฐจ์› ๋ฐฐ์—ด๊ณผ์˜ ์ฐจ์ด์ ์ด ๋ฌด์—‡์ผ๊นŒ์š”?

Copy link
Member Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

2์ฐจ์› ๋ฐฐ์—ด์˜ ์ฐจ์ด์ ๊ณผ ๋ฆฌ์ŠคํŠธ์˜ ์žฅ์ ์„ ์•Œ๊ณ  ๋ฆฌ์ŠคํŠธ๋ฅผ ์„ ํƒํ•ด์„œ ์‚ฌ์šฉํ•œ๊ฑด์ง€์— ๋Œ€ํ•œ๊ฑธ ๋ง์”€ํ•˜์‹œ๋Š” ๊ฑธ๊นŒ์š”? ์–ด๋–ค ์˜๋ฏธ์ธ์ง€ ๋ชฐ๋ผ ์—ฌ์ญ™๋‹ˆ๋‹คใ… ใ… 

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

๋„ค ์ฐจ์ด์ ์ด ์—†๋‹ค๋Š”๊ฒŒ ์ •๋‹ต์ด์—ˆ์–ด์š”. ใ…Žใ…Ž
๋ฆฌํŒฉํ† ๋ง์„ ๋ถ€ํƒ๋“œ๋ฆฐ๋‹ค๋Š” ์˜๋ฏธ์ด๊ธฐ๋„ ํ–ˆ๊ตฌ์š”~

Comment on lines 23 to 26
List<Integer> inputValueOfWinningNumbers = inputWinningNumbers();
int bonusNumber = getBonusNumber();

Ranking ranking = userLotto.getRankingFromWinningNumbers(inputValueOfWinningNumbers, bonusNumber);

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

inputValueOfWinningNumbers, bonusNumber ๋Š” ๋‹จ์ˆœํžˆ ํŒŒ๋ผ๋ฉ”ํ„ฐ๋กœ ์ „๋‹ฌ๋˜๊ธฐ ์œ„ํ•œ ๋ณ€์ˆ˜๋“ค์ด๊ตฐ์š”.
๊ทธ๋ ‡๋‹ค๋ฉด ๋ณ„๋„์˜ ์„ ์–ธ ์—†์ด ์•„๋ž˜์™€ ๊ฐ™์ด ํ•ด๋„ ๋˜์ง€ ์•Š์„๊นŒ ์‹ถ๋„ค์š”.

Ranking ranking = userLotto.getRankingFromWinningNumbers(inputWinningNumbers(), getBonusNumber());

Copy link

@sally-ksh sally-ksh Feb 26, 2022

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

๊ฐ์ฒดํƒ€์ž… ๋ฐ˜ํ™˜์˜ ๊ฒฝ์šฐ๋Š” ๋ช…์‹œ์ ์œผ๋กœ ์ ์–ด์ฃผ๋Š” ๊ฒŒ ์•ˆ์ •์„ฑ ๋“ฑ์—์„œ ์ข‹๋‹ค๊ณ  ์•Œ๊ณ  ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
์‚ฌ์‹ค...์œ„ ๊ฒฝ์šฐ์ฒ˜๋Ÿผ ๋™์ผํ•œ ์˜๋ฏธ๊ฐ€ ๋‹ด๊ธด ๋ฉ”์„œ๋“œ๋ช…ํ•˜๊ณ  ์ฐธ์กฐ๋ณ€์ˆ˜๋ช… ๋‘ ๋ฒˆ ๊ณ ๋ คํ•˜๋Š”๊ฒŒ ์ •๋ง ์˜๋ฏธ ์—†๊ธฐ๋„ ํ–ˆ์—ˆ์Šต๋‹ˆ๋‹ค.

ํ˜น์‹œ ๋ฌธ์ œ๋˜๊ฑฐ๋‚˜ ์•ˆ ์ข‹์€ ์ด์œ ๊ฐ€ ์žˆ๋‹ค๋ฉด ๊ตฌ์ฒด์ ์œผ๋กœ ์•Œ๊ณ  ์‹ถ์–ด์„œ์š”.
์•Œ๋ ค์ฃผ์‹œ๋ฉด ๊ฐ์‚ฌํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.

@@ -23,7 +23,7 @@ public Lotto(List<Integer> sixNumbers) {
return this.sixNumbers;
}

public int numberOfWinnings(List<Integer> winningNumbers){
public int countNumberOfWinnings(List<Integer> winningNumbers){

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

stream ์‚ฌ์šฉํ•ด์„œ ๊ฐœ์„ ํ•  ์ˆ˜ ์žˆ์„ ๊ฑฐ ๊ฐ™๋„ค์š”

Comment on lines 42 to 45
if (sixNumbers.contains(bonusNumber)){
return true;
}
return false;

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

์ด๋ ‡๊ฒŒ ๋ฐ”๊ฟ€ ์ˆ˜ ์žˆ์ง€ ์•Š์„๊นŒ์š”

Suggested change
if (sixNumbers.contains(bonusNumber)){
return true;
}
return false;
return sixNumbers.contains(bonusNumber));

@@ -1,4 +1,4 @@
package domains;
package domains.users;

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

ํŒจํ‚ค์ง€๋ช…์— ๋ณต์ˆ˜ํ˜•์„ ์ž˜ ์“ฐ์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

Copy link

@sally-ksh sally-ksh Feb 26, 2022

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

ํ˜„์žฌ๋Š” ํ•œ๋ช…์˜ ์ž…๋ ฅ๋งŒ ๋ฐ›์•„์„œ ๋ณต์ˆ˜ํ˜• ์“ฐ์ง€ ์•Š๋Š”๊ฒŒ ๋งž๊ณ , ์Šคํ”„๋ง์˜ ๊ฒฝ์šฐ์—๋Š” ์—ฌ๋Ÿฌ ์‚ฌ์šฉ์ž ์ •๋ณด๋ฅผ ๋‹ค๋ฃจ๋‹ˆ ๋ณต์ˆ˜ํ˜•์„ ์“ฐ๋Š”๊ฒŒ ๋งž๋‹ค๊ณ  ์ƒ๊ฐํ•˜๋ฉด ๋ ๊นŒ์š”?
์Šคํ”„๋ง ๊ฐ•์˜์—์„œ ํŒจํ‚ค์ง€๋ช…์— ๋ณต์ˆ˜ํ˜•์œผ๋กœ ์“ฐ๋ผ๊ณ  ํ•˜์…จ์–ด์„œ,.. ์ข€ ๋” ๊ตฌ์ฒด์ ์œผ๋กœ ์•Œ๊ณ  ์ •๋ฆฌํ•˜๊ณ ์ž ์งˆ๋ฌธ ํ•ฉ๋‹ˆ๋‹ค.
๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

์ผ๋‹จ domains ๊นŒ์ง€๋Š” ์ž˜ ์ดํ•ด๊ฐ€ ๋˜์—ˆ๊ตฌ์š”,
users ๊ฐ€ ๋ณต์ˆ˜ํ˜•์ด ๋œ ์ด์œ ๋ฅผ ์•Œ๊ณ  ์‹ถ์—ˆ์–ด์š”. ๋ณต์ˆ˜ํ˜•์ด ๋˜๋ฉด ์•ˆ๋œ๋‹ค๊ณ  ์ƒ๊ฐํ–ˆ๊ตฌ์š”.
user ๋ผ๋Š” ์ผ๋ฐ˜์ ์ธ ๊ฐœ๋…, ํ˜น์€ ํ”„๋กœ๊ทธ๋žจ์  ์š”๊ตฌ์‚ฌํ•ญ์„ ๊ตฌํ˜„ํ•œ ์ฝ”๋“œ๋“ค์˜ ์ง‘ํ•ฉ์ด๋ผ users ๋ผ๋Š” ๊ฑด ์ข€ ์–ด์ƒ‰ํ•˜๋‹ค๊ณ  ๋ดค๊ฑฐ๋“ ์š”. ์šฐ๋ฆฌ๊ฐ€ ์ถ”์ƒํ™”ํ•ด์•ผ ํ•  ๊ฐœ๋… ์ž์ฒด๋Š” user ๋ผ๊ณ  ํ‘œํ˜„๋˜๋Š”๊ฒŒ ๋งž๋‹ค๊ณ  ๋ด์„œ์š”.
์Šคํ”„๋ง ๊ฐ•์˜์—์„œ ํŒจํ‚ค์ง€๋ช…์— ๋Œ€ํ•ด ์–ด๋–ป๊ฒŒ ๋‹ค๋ฃจ๊ณ  ์žˆ๋Š”์ง€๋Š” ์ž˜ ๋ชจ๋ฅด๊ฒ ๋„ค์š”.

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

๋„ค, ๋ง์”€ํ•ด ์ฃผ์‹  ๋ถ€๋ถ„์„ ์ดํ•ดํ•  ์ˆ˜ ์žˆ์„๊ฑฐ ๊ฐ™์•„์š”.
์ €๋Š” ๋‹จ์ˆœ ์ง€์‹์ด์—ˆ๋Š”๋ฐ, ์„ค๋ช… ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. ํ”„๋กœ์ ํŠธ๋Š” ๋‹จ์ˆ˜ํ˜•์œผ๋กœ ๋ณ€๊ฒฝํ–ˆ์Šต๋‹ˆ๋‹ค. :)

Comment on lines 48 to 52
int winningCount = lotto.countNumberOfWinnings(winning);
if (winningCount >= MINIMUM_NUMBER_OF_WINNING) {
boolean checkedBonus = lotto.getBonus(winningNumbers.getBonus());
ranking.record(checkedBonus, winningCount);
}

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Lotto ๊ฐ€ ๊ฐ–๊ณ  ์žˆ๋Š” ๋‹น์ฒจ ๋ฒˆํ˜ธ ๊ฐฏ์ˆ˜๋ฅผ ๋ฌผ์–ด๋ณด๊ณ , ๋ณด๋„ˆ์Šค๊นŒ์ง€ ๊บผ๋‚ด์™€์„œ ์ฒดํฌํ•œ ๋‹ค์Œ Ranking ๊ฐ์ฒด์— set์„ ํ•ด์ฃผ๊ณ  ์žˆ๊ตฐ์š”.
๊ทธ๋Ÿฌ์ง€ ๋ง๊ณ  Lotto ๊ฐ์ฒด๊ฐ€ ์ง์ ‘ Ranking ๊ฒฐ๊ณผ๊ฐ’์„ ์ฃผ๋Š” ๋ฐฉ์‹์œผ๋กœ ๊ฐœ์„ ํ•ด์•ผ ํ•˜์ง€ ์•Š์„๊นŒ์š”?

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

์ค‘๊ฐ„์— WinningNumber๋กœ ๋ถ„๋ฆฌํ•˜๊ณ , Ranking ๋ฐ˜ํ™˜ ๋“ฑ ๊ฐœ์„  ํ•˜๋ฉด์„œ, ์‹œ์•ผ๊ฐ€ ์ข์•„์ง€๊ณ , ์ข€ ๋” ๋ถ„๋ช…ํ•˜๊ฒŒ ์ •๋ฆฌํ•˜์ง€ ๋ชป ํ•œ๊ฑฐ ๊ฐ™์•„์š”.
๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.


private List<List<Integer>> getPurchasedLottos() {

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

๋‹น์ฒจ๋ฒˆํ˜ธ ๋ฆฌ์ŠคํŠธ๋ฅผ ๋ณด๊ด€ํ•  ๋งŒํ•œ ๊ฐ์ฒด๋ฅผ ์„ค๊ณ„ํ•ด์„œ ๊ทธ ๊ฐ์ฒด์˜ ๋ฆฌ์ŠคํŠธ๋กœ ์ „๋‹ฌํ•ด์ฃผ๋ฉด ๋” ์ข‹์„ํ…๋ฐ์š”?

Copy link

@sally-ksh sally-ksh Feb 26, 2022

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

๋„ต, ๋งž์Šต๋‹ˆ๋‹ค.

}

public List<List<Integer>> getTickets(PurchasedLotto purchasedLotto) {
ArrayList<ArrayList<Integer>> tickets = lottoMachine.getTicket(purchasedLotto.getNumberOfTicket());

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

java.util.ArrayList ์—๋งŒ ์กด์žฌํ•˜๋Š” ๋ฉ”์„œ๋“œ๋‚˜ ๋กœ์ง์— ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์ด ๊ฐ•๊ฒฐํ•ฉ๋˜์–ด์•ผ ํ•  ํŠน๋ณ„ํ•œ ์ด์œ ๊ฐ€ ์žˆ์„๊นŒ์š”?
๊ทธ๋ ‡์ง€ ์•Š๋‹ค๋ฉด ํ•ญ์ƒ List<T> ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค.
์ด์œ ๋Š” ์—ฌ๋Ÿฌ๊ฐ€์ง€๊ฐ€ ์žˆ๋Š”๋ฐ์š”... https://stackoverflow.com/questions/9852831/polymorphism-why-use-list-list-new-arraylist-instead-of-arraylist-list-n ๋ฅผ ์ฐธ๊ณ ํ•ด๋ณด์„ธ์š”.

Copy link

@sally-ksh sally-ksh Feb 26, 2022

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

์š”๊ตฌ์‚ฌํ•ญ ์ค‘์— "ArrayList๋ฅผ ์‚ฌ์šฉํ•ด์„œ ๊ตฌํ˜„ํ•œ๋‹ค." ๊ฐ€ ์žˆ์—ˆ๋Š”๋ฐ ๋‹จ์ˆœํ•˜๊ฒŒ ๋ฐ˜ํ™˜ํƒ€์ž… ๊นŒ์ง€ ์จ์•ผ ํ•œ๋‹ค๊ณ  ์ƒ๊ฐํ•˜๊ณ  ์ž‘์—…ํ–ˆ๋˜๊ฑฐ ๊ฐ™์Šต๋‹ˆ๋‹ค.
์ด๋ฒˆ์— ํŽ˜์–ด ํ•˜๋ฉด์„œ, ์œ„์—์„œ ์–ธ๊ธ‰๋œ ๋ถ€๋ถ„๋“ค๋„ ๊ทธ๋ ‡๊ณ 
์ฒด๋ ฅ๊ณผ ์ง‘์ค‘๋ ฅ์ด ๋งŽ์ด ๋–จ์–ด์ ธ์„œ ๋๊นŒ์ง€ ์ •๋ฆฌ ์•ˆ ํ•œ ๋ถ€๋ถ„๋“ค์ด ์žˆ์—ˆ๋Š”๋ฐ,
์ข€๋” ์ง‘์ค‘ํ•ด์„œ ๊ฐœ์„ ํ•˜๋„๋ก ์ด๋Œ์–ด์ฃผ์…”์„œ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.

๋˜ ๋ณด๋‹ค ์ข‹์€ ์ง€์‹ ์•Œ๊ฒŒ ๋œ ๊ฑฐ ๊ฐ™์•„์š”. ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.

- Lotto ๊ฐ์ฒด ๋‚ด๋ถ€์—์„œ ์ง์ ‘ Ranking ์ฒดํฌ
- Tickets : ์‚ฌ์šฉ์ž๊ฐ€ ๊ตฌ๋งคํ•œ ๋กœ๋˜ ๋ชฉ๋ก๋“ค (WinningNumber : ๋‹น์ฒจ๋ฒˆํ˜ธ ๋ฆฌ์ŠคํŠธ)
- ArrayList -> List ๋ณ€๊ฒฝ
- ํŒจํ‚ค์ง€๋ช… ๋‹จ์ˆ˜ํ˜•์œผ๋กœ ๋ณ€๊ฒฝ
- for๋ฌธ stream์œผ๋กœ ๊ฐœ์„ 
- boolean ๋ฐ˜ํ™˜ํ•˜๋Š” ํ•จ์ˆ˜์ด์šฉ์‹œ ๋ถˆํ•„์š”ํ•œ ์กฐ๊ฑด๋ฌธ ์ œ๊ฑฐ
refactor: ๋ฆฌ๋ทฐ ๋ฐ˜์˜
@rkolx rkolx changed the title [hanse & sally] ๋กœ๋˜ 2๋‹จ๊ณ„ - ๋ณด๋„ˆ์Šค ๋ฒˆํ˜ธ ์ถ”๊ฐ€ ๐Ÿ”€ [hanse & sally] ๋กœ๋˜ 2๋‹จ๊ณ„ - ๋ณด๋„ˆ์Šค ๋ฒˆํ˜ธ ์ถ”๊ฐ€ Feb 26, 2022
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
review-BE Improvements or additions to documentation
Projects
None yet
Development

Successfully merging this pull request may close these issues.

3 participants