์ž๋ฐ” - weekly review 03

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๐Ÿ“†2022-03-12

3์ฃผ์ฐจ ๋ณต์Šต

โ— ๊ฐœ์ธ์ด ๊ณต๋ถ€ํ•œ ๋‚ด์šฉ์„ ์ ์€ ๊ฒƒ ์ด๊ธฐ์— ์˜ค๋ฅ˜๊ฐ€ ๋งŽ์„ ์ˆ˜๋„ ์žˆ์Œ

char ํ˜• ์ž…๋ ฅ

  • charํ˜•์„ ์ž…๋ ฅ ๋ฐ›๋Š” ๋ฐฉ๋ฒ•์€ 2๊ฐ€์ง€๊ฐ€ ์กด์žฌ ํ•œ๋‹ค
    1. Character ch = sc.nextLine().charAt(0); โ†’ equals๋ฉ”์„œ๋“œ ์‚ฌ์šฉ ๊ฐ€๋Šฅ
    2. char ch = sc.nextLine().chatAt(0); โ†’ == ์‚ฌ์šฉ ๊ฐ€๋Šฅ

๋ฉ”์„œ๋“œ

  • ๋ฉ”์„œ๋“œ์—์„œ๋Š” ๊ฐ€๊ธ‰์ ์ด๋ฉด System.out.println์„ ์จ์ฃผ์ง€๋ง๊ธฐ โ†’ ์ถœ๋ ฅ๋ฌธ์„ ์จ์ฃผ๊ณ  ์‹ถ์œผ๋ฉด String ์œผ๋กœ ๋ฉ”์„œ๋“œ ํƒ€์ž…์„ ์ •ํ•ด์ฃผ๊ธฐ

์ ‘๊ทผ ์ œํ•œ์ž

  • private โ†’ default โ†’ protected โ†’ public ์ˆœ์„œ
  • ํด๋ž˜์Šค์˜ ์†์„ฑ์€ private์œผ๋กœ

getter & setter

  • ํด๋ž˜์Šค์˜ ์†์„ฑ์ด private ์ผ๋•Œ getter ์™€ setter ๋กœ ์†์„ฑ์„ ์กฐ์ ˆ ํ•ด์•ผํ•œ๋‹ค

๐Ÿ“’

  1. ๊ฐ์ฒด ์ง€ํ–ฅ ์‹œ์ž‘
  2. ๊ณผ์ œ์˜ ๋‚œ์ด๋„๋„ ์˜ฌ๋ผ๊ฐ€๊ณ  ์žˆ์Œ

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