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โœ๏ธ JavaStudy


๋ฉ”์„œ๋“œ

  • Arrays.toString(๋ฐฐ์—ด๋ช…) : ๋ฐฐ์—ด์˜ ๋ชจ๋“  ์š”์†Œ๋ฅผ ๋ฌธ์ž์—ด๋กœ ๋ฐ˜ํ™˜ํ•˜์—ฌ ์ถœ๋ ฅํ•œ๋‹ค.
  • Integer.parseInt(๋ณ€ํ™˜ํ•˜๊ณ  ์‹ถ์€ ๋ฌธ์ž์—ด or ๋ฌธ์ž์—ด์ด ๋“ค์–ด์žˆ๋Š” ๋ณ€์ˆ˜.) : ๋ฌธ์ž์—ด์„ ์ •์ˆ˜๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ๋ฐฉ๋ฒ•
  • double.parseDouble(๋ฌธ์ž์—ด) : ๋ฌธ์ž์—ด์„ ์‹ค์ˆ˜๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ๋ฐฉ๋ฒ•
  • ๋ฐ˜๋ณตํ•  ๋ฌธ์ž์—ด.repeat(๋ฐ˜๋ณตํšŸ์ˆ˜) : ๋ฌธ์ž์—ด์„ ๋ฐ˜๋ณตํšŸ์ˆ˜ ๋งŒํผ ๋ฐ˜๋ณตํ•œ ๊ฒฐ๊ณผ๋ฅผ ๋ฆฌํ„ดํ•ฉ๋‹ˆ๋‹ค.

๋‹จ์ถ•ํ‚ค

  • ctrl + space + enter๋ฅผ ๋ˆ„๋ฅด๋ฉด ์ƒ์„ฑ์ž๊ฐ€ ๋งŒ๋“ค์–ด์ง„๋‹ค.
  • alt + shift + s๋ฅผ ๋ˆ„๋ฅด๋ฉด ์ž๋™์ƒ์„ฑ ๋ฉ”์„œ๋“œ๋“ค์ด ๋‚˜์˜จ๋‹ค(์ฃผ๋กœ getter,setter๋ฅผ ๋งŽ์ด ์”€).
    generate constructor using fields๋Š” ๋ฉค๋ฒ„ ๋ณ€์ˆ˜ ์ดˆ๊ธฐ๊ฐ’์„ ์„ค์ •ํ•˜๋Š” ์ƒ์„ฑ์ž๋ฅผ ๋งŒ๋“ค์–ด ์ค€๋‹ค

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