Step3 #3251
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Step3 #3251
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Hyeon9mak
requested changes
May 23, 2023
| import java.util.Scanner; | ||
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| public class BonusBallInputView implements InputView<BonusBall> { | ||
| Scanner scanner = new Scanner(System.in); |
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기찬님 견해가 궁금합니다!
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매번 새로운 인스턴스를 생성하는 건 비효율적인 것 같네요
생성자에서 입력받아 사용하도록 바꿀게요!
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| public static List<Lottery> buy(Integer price, LotteryStrategy lotteryStrategy) { |
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로또금액을 VO 로 포장하면 더 신뢰할 수 있는 값이 되겠네요.
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| public LotteryNumber value() { | ||
| return value; | ||
| } |
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더욱 더 VO 스럽게 사용하기 위해 동등성을 부여해주면 어떨까요? (equals & hash code)
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| public enum WinPrize { | ||
| FIRST_PLACE(2000000000), | ||
| SECOND_PLACE(1500000), | ||
| THIRD_PLACE(50000), | ||
| FOURTH_PLACE(5000), | ||
| SECOND_PLACE(30000000), | ||
| THIRD_PLACE(1500000), | ||
| FOURTH_PLACE(50000), | ||
| FIFTH_PLACE(5000), | ||
| LOST(0); |
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enum 을 통해서 상금과 당첨 개수, 보너스볼 여부도 관리해볼 수 있을까요? 🤔
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| List<Integer> winLotteryNumbers = new ArrayList<>(); | ||
| for (int i = 0; i <= Lottery.LENGTH; i++) { | ||
| for (int i = 0; i < RANK_LENGTH; i++) { | ||
| winLotteryNumbers.add(0); | ||
| } | ||
| for (int number : numberOfMatchNumbers) { | ||
| winLotteryNumbers.set(number, winLotteryNumbers.get(number) + 1); | ||
| for (int i = 0; i < numberOfMatchNumbers.size(); i++) { | ||
| checkBonusBallAndAdd(hasBonusBalls.get(i), numberOfMatchNumbers.get(i), winLotteryNumbers); | ||
| } |
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각 반복문의 의미를 잘 모르겠어요 😢 메서드로 분리하고 메서드 이름을 통해 의미를 부여해줄 수 있을까요?
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step3 2등 추가 요구사항 추가하였습니다!