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[step4] πŸš€ 4단계 - μžλ™μ°¨ κ²½μ£Ό(우승자) #5477

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@shgpwn shgpwn commented Mar 17, 2024

졜초 κ΅¬ν˜„

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μ „λ°˜μ μœΌλ‘œ 큰 고민이 없이 λ―Έμ…˜ 진행 및 μ½”λ“œ μž‘μ„±μ΄ 이뀄진 것 κ°™μ•„, λ¦¬λ·°μ–΄λ‘œμ„œ 아쉬움이 μ§„ν•˜κ²Œ λ‚¨λŠ” PRμž…λ‹ˆλ‹€.
λ¬Όλ‘  μƒμ†Œν•œ 과제λ₯Ό μ ‘ν•˜κ³  닡을 μ°Ύμ•„κ°€λŠ” 과정이 늘 즐거울 순 μ—†κ² μ§€λ§Œ, 쑰금 더 μΉ˜μ—΄ν•œ κ³ λ―Όκ³Ό, κΉŠμ΄μžˆλŠ” 섀계λ₯Ό κΈ°λŒ€ν•©λ‹ˆλ‹€. κ·Έλ™μ•ˆ ν•΄μ˜€μ…¨λ˜ λ°©μ‹μœΌλ‘œ λ˜‘κ°™μ΄ μ½”λ“œλ₯Ό μž‘μ„±ν•˜μ‹€ 것이라면, 우리 과정에 μ°Έμ—¬ν•˜μ‹œλŠ” 의미λ₯Ό 살리기 μ–΄λ ΅λ‹€κ³  μƒκ°ν•©λ‹ˆλ‹€.
μ œκ°€ μš”λŸ° 생각을 κ°–κ²Œλœ 근거듀을 ν•˜λ‚˜μ”© μ‚΄νŽ΄ λ“œλ¦¬κ² μŠ΅λ‹ˆλ‹€.

  1. ν…ŒμŠ€νŠΈκ°€ λ„ˆλ¬΄ λΉˆμ•½ν•©λ‹ˆλ‹€. κ³Όν•œ ν…ŒμŠ€νŠΈλ„ λ¬Έμ œμ§€λ§Œ, 전체적인 μ½”λ“œ 변경에 λΉ„ν•΄ ν…ŒμŠ€νŠΈ μ½”λ“œκ°€ λ„ˆλ¬΄ 적게 μΆ”κ°€λ˜μ—ˆμŠ΅λ‹ˆλ‹€.
  2. for loop μ‚¬μš© λ“± μƒˆλ‘œμš΄ μ‹œλ„λ³΄λ‹€λŠ” 기쑴에 ν”„λ‘œκ·Έλž˜λ°μ„ μ§„ν–‰ν•˜μ…¨λ˜ λ°©λ²•λŒ€λ‘œ μ§„ν–‰ν•˜μ‹  것 κ°™μŠ΅λ‹ˆλ‹€.
  3. κ°•μ˜ μžλ£Œλ‚˜ 라이브 κ°•μ˜ 등을 ν†΅ν•΄μ„œ κ°œμ„  포인트라고 μ „λ‹¬λ˜μ—ˆλ˜ 뢀뢄듀이 λ°˜μ˜λ˜μ§€ μ•Šμ•˜μŠ΅λ‹ˆλ‹€.
  4. μ ‘κ·Ό μ œμ–΄μž λˆ„λ½ λ“±, 기본적으둜 μ§€μΌœμ£Όμ‹œλ©΄ 쒋을 λ²•ν•œ λ‚΄μš©λ“€μ„ 챙겨주지 μ•ŠμœΌμ…¨μŠ΅λ‹ˆλ‹€.

λ”°λΌμ„œ μ•„λž˜μ™€ 같은 μ•‘μ…˜ 포인트 μž‘μ•„ λ“œλ¦¬κ² μŠ΅λ‹ˆλ‹€.

  1. for loop을 톡해 객체 μƒνƒœ λ³€κ²½ν•˜λŠ” λ‘œμ§μ€ λͺ¨λ‘ stream API의 μ‚¬μš©μœΌλ‘œ κ°œμ„ ν•΄ λ³΄μ„Έμš”.
  2. μ ‘κ·Ό μ œμ–΄μžκ°€ λˆ„λ½λœ 뢀뢄에 λŒ€ν•΄μ„  package-private을 μ˜λ„ν•˜μ‹œλŠ” 게 μ•„λ‹ˆλΌλ©΄ λͺ¨λ‘ μ ‘κ·Ό μ œμ–΄μžλ₯Ό λΆ™μ—¬ μ£Όμ‹œκΈ° λ°”λžλ‹ˆλ‹€.
  3. ν•˜λ‚˜μ˜ ν΄λž˜μŠ€μ— λŒ€ν•΄ ν•˜λ‚˜μ˜ ν…ŒμŠ€νŠΈ 클래슀λ₯Ό 무쑰건 두고, ν…ŒμŠ€νŠΈ μΌ€μ΄μŠ€ μ΅œλŒ€ν•œ λ„μΆœν•΄ μ£Όμ‹œλ©΄ μ’‹κ² μŠ΅λ‹ˆλ‹€.

쑰금 더 λ‚˜μ€ μ½”λ“œλ₯Ό κΈ°λŒ€ν•΄ λ³΄κ² μŠ΅λ‹ˆλ‹€. κ°μ‚¬ν•©λ‹ˆλ‹€ πŸ‘

private static final String HYPHEN = "-";
private static final String SPACE = " ";
private static final String COLON = ":";
int currentPosition;
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μš”κΈ°μ—λ„ μ ‘κ·Ό μ œμ–΄μžκ°€ λΆ™μ–΄μ•Ό ν•  것 κ°™μŠ΅λ‹ˆλ‹€. ν•˜λ‚˜ λΆ™μ—¬μ£Όμ‹œμ£ !

Comment on lines +11 to +17
InputView inputView;
ResultView resultView;

List<Car> carList;
String[] carNameList;
int roundCount;
Random random;
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  1. μ ‘κ·Ό μ œμ–΄μž λˆ„λ½λ˜λ©΄ μ•ˆλ©λ‹ˆλ‹€. κΌ­ μ±™κ²¨μ£Όμ„Έμš”
  2. μ§€κΈˆ μ»¨νŠΈλ‘€λŸ¬μ—μ„œ λ‹€ κ΄€λ¦¬ν•˜κ³  μžˆλŠ” μš” λ³€μˆ˜λ“€μ„ 챙겨쀄 RacingGame μ΄λΌλŠ” 클래슀λ₯Ό μ„€κ³„ν•˜κ³  μž‘μ„±ν•΄λ³΄μ„Έμš”. 이 클래슀의 κΈ°λŠ₯은 λ‹€μŒκ³Ό κ°™μŠ΅λ‹ˆλ‹€.
  • Inputview λ‘œλΆ€ν„° ν”Œλ ˆμ΄μ–΄ 이름 μž…λ ₯λ°›μŒ
  • λͺ‡ 번 λŒλ¦΄κ±΄μ§€ 회차 μž…λ ₯λ°›μŒ
  • μ‹€μ œ κ²Œμž„ μˆ˜ν–‰
  • νšŒμ°¨λ³„ κ²°κ³Ό 관리

Comment on lines +68 to +71
for (Car car : carList) {
String stringCurrentPosition = car.makeStringCurrentPosition();
resultRound += stringCurrentPosition + "\n";
}
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stream API 둜 κ°œμ„ ν•  수 μžˆμŠ΅λ‹ˆλ‹€. κ°œμ„  μ‹œλ„ν•΄λ³΄μ„Έμš”.


import static org.assertj.core.api.AssertionsForClassTypes.assertThat;

public class RacingCarWinnerTest {
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ν…ŒμŠ€νŠΈμ˜ ꡬ성에 μžˆμ–΄μ„œ λͺ‡ 가지 ν΄λž˜μŠ€λ“€μ— λŒ€ν•œ ν…ŒμŠ€νŠΈκ°€ ν•œ ν…ŒμŠ€νŠΈ 클래슀 파일둜 합쳐져 μžˆλŠ”λ°μš”, μš”κ±΄ 일단...

  1. ν…ŒμŠ€νŠΈ λ¨Όμ € μž‘μ„±ν•˜μ‹œκ³  κ΅¬ν˜„ν•˜λŠ” 흐름을 κ°€μ Έκ°€κ³  κ³„μ‹œμ§€ μ•Šλ‹€λŠ” κ±Έ μ•Œ 수 μžˆμŠ΅λ‹ˆλ‹€.
  2. 이 자체둜 μ½”λ“œ μŠ€λ©œμž…λ‹ˆλ‹€. ν…ŒμŠ€νŠΈλŠ” λ©”μ†Œλ“œ λ‹¨μœ„ 싀행이 μ•„λ‹Œ 클래슀 λ‹¨μœ„ 싀행이면 μ’‹κ² κ³ , 각 ν΄λž˜μŠ€κ°€ μ˜λ―Έλ‹¨μœ„λ₯Ό κ°€μ‘ŒμœΌλ©΄ ν•©λ‹ˆλ‹€.

import java.util.Scanner;

public class InputView {
private Scanner scanner = new Scanner(System.in);
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μ™ΈλΆ€μ—μ„œ μ£Όμž…λ°›λŠ” 방식이면 λ”μš± 쒋을 λ“―ν•©λ‹ˆλ‹€.

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@wheejuni λ¦¬λ·°μ–΄λ‹˜ μ™ΈλΆ€μ—μ„œ μ£Όμž…λ°›λŠ” 방식이 무슨 μ˜λ―ΈμΌκΉŒμš”??
InputViewμ—μ„œλŠ” μž…λ ₯κ°’λ§Œ λ°›κ³ , split 같은 μž…λ ₯ 값에 λŒ€ν•œ λ‘œμ§μ€ μ™ΈλΆμ—μ„œ μ²˜λ¦¬ν•˜λŠ” 방식을 λ§μ”€ν•˜μ‹  κ±ΈκΉŒμš”??
μ œκ°€ μ΄ν•΄ν•œ 게 λ§žλŠ”μ§€ κΆκΈˆν•˜μ—¬ 확인차 μ—¬μ­ˆμ–΄ λ΄…λ‹ˆλ‹€^^

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