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[Item02] ์ƒ์„ฑ์ž์— ๋งค๊ฐœ๋ณ€์ˆ˜๊ฐ€ ๋งŽ๋‹ค๋ฉด ๋นŒ๋”๋ฅผ ๊ณ ๋ คํ•˜๋ผ

Builder๋ฅผ ์ž์ฃผ ์‚ฌ์šฉํ•˜์‹œ๋Š” ํŽธ์ธ๊ฐ€์š”?

Builder๋ฅผ ์‚ฌ์šฉํ•˜์˜€์„๋•Œ ํ•ด๋‹น ํด๋ž˜์Šค์˜ ์ถ”๊ฐ€๋กœ ํ•„๋“œ๊ฐ€ ์ƒ์„ฑ๋˜๋ฉด,
Builder๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ๋˜ ๋ชจ๋“ ๊ณณ์—์„œ ์ˆ˜์ •์„ ํ•ด์ฃผ์–ด์•ผ ํ•˜์ฃ ,
์ด ๊ณผ์ •์—์„œ ๋†“์นœ ๋ถ€๋ถ„์—์„œ๋Š” Builder์—์„œ ๊ฐ’์ด ์ฑ„์›Œ์ง€์ง€ ์•Š์€ null ์ƒํƒœ๋กœ ๋“ค์–ด๊ฐ€๊ฒŒ ๋˜๋Š”๋ฐ
๋‹ค๋“ค ์ด๋Ÿฌํ•œ ๋ฌธ์ œ๋Š” ์–ด๋–ป๊ฒŒ ์ƒ๊ฐํ•˜์‹œ๋Š”์ง€ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค.

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