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์˜ต์ €๋ฒ„ ํŒจํ„ด

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[Design Pattern] Observer Pattern Observer Pattern ํŒจํ„ด์˜ ๋ถ„๋ฅ˜ : ํ–‰์œ„ํŒจํ„ด ํŒจํ„ด์˜ ๋ชฉ์  : This pattern defines a one-to-many dependency between objects so that when one object changes state, all of its dependents are notified and updated automatically. – GoF – ํŒจํ„ด์˜ ์ ์šฉ RSS Feed: ์›น ์‚ฌ์ดํŠธ๋“ค์€ ์ƒˆ๋กœ์šด ์ •๋ณด๊ฐ€ ๋ฐœ์ƒํ•˜๋ฉด ๊ด€์‹ฌ์„ ๊ฐ€์ง€๊ณ  ์žˆ๋Š” ์ธก์—๊ฒŒ ์ž๋™ ํ†ต๋ณดํ•˜์—ฌ ์คŒ Facebook๊ณผ ๊ฐ™์€ ๋งŽ์€ SNS์˜ ๊ฒฝ์šฐ ์‚ฌ์šฉ์ž๊ฐ€ ๊ธ€์„ ๊ฒŒ์‹œํ•˜๋ฉด ๊ทธ ๊ฒŒ์‹œ์ž์˜ ๋ชจ๋“  follower์—๊ฒŒ ์ž๋™ ํ†ต๋ณดํ•˜์—ฌ ์คŒ GUI ํ”„๋กœ๊ทธ๋ž˜๋ฐ์—์„œ ์‚ฌ๊ฑด ์†Œ์Šค์— ์‚ฌ๊ฑด ๊ฒฝ์ฒญ์ž๋ฅผ ๋“ฑ๋กํ•˜์—ฌ ์‚ฌ๊ฑด์ด ๋ฐœ์ƒํ•˜์˜€์„ ๋•Œ ์ฒ˜๋ฆฌํ•œ๋‹ค. ๋ณดํ†ต ํ•˜๋‚˜์˜..

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