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221014_ํšŒ๊ณ 5ํŒ€

ํŒ€
05
์ž‘์„ฑ์ผ
2022/10/14
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ย ย ๋ฐœํ‘œ ํ™”๋ฉด

ย ๊ทธ ๋‚  ๋ณต์Šตํ•œ ๋‚ด์šฉ์ด ๋ชจ๋‘ ๋‹ด๊ฒจ์žˆ๋Š” ๋…ธ์…˜ ํŽ˜์ด์ง€ ๋งํฌ

โ—‹ ์ตœ๋Œ“๊ฐ’&์ตœ์†Œ๊ฐ’ ์•Œ๊ณ ๋ฆฌ์ฆ˜, DB ์‹ค์Šต, ํ…œํ”Œ๋ฆฟ์ฝœ๋ฐฑ

โ—‹ TDD, ์ •๋ ฌ

ย ย Q&A

Q1. length, length(), size() ์ฐจ์ด

๋‹ต๋ณ€
1. length
โ€ข
arrays(int[], double[], String[])
โ€ข
length๋Š”ย ๋ฐฐ์—ด์˜ ๊ธธ์ด๋ฅผ ์•Œ๊ณ ์ž ํ•  ๋•Œ ์‚ฌ์šฉ๋œ๋‹ค.

2. length()

-ย String related Object(String, StringBuilder etc)
-ย length()๋Š”ย ๋ฌธ์ž์—ด(String)์˜ ๊ธธ์ด๋ฅผ ์•Œ๊ณ ์ž ํ•  ๋•Œ ์‚ฌ์šฉ๋œ๋‹ค.

3. size()

-ย Collection Object(ArrayList, Set etc)
-ย size()๋Š”ย ์ปฌ๋ ‰์…˜ ํ”„๋ ˆ์ž„์›Œํฌ ํƒ€์ž…์˜ ๊ธธ์ด๋ฅผ ์•Œ๊ณ 
โ€ข
arrays(int[], double[], String[])
โ€ข
length๋Š”ย ๋ฐฐ์—ด์˜ ๊ธธ์ด๋ฅผ ์•Œ๊ณ ์ž ํ•  ๋•Œ ์‚ฌ์šฉ๋œ๋‹ค.

2. length()

-ย String related Object(String, StringBuilder etc)
-ย length()๋Š”ย ๋ฌธ์ž์—ด(String)์˜ ๊ธธ์ด๋ฅผ ์•Œ๊ณ ์ž ํ•  ๋•Œ ์‚ฌ์šฉ๋œ๋‹ค.

3. size()

-ย Collection Object(ArrayList, Set etc)
-ย size()๋Š”ย ์ปฌ๋ ‰์…˜ ํ”„๋ ˆ์ž„์›Œํฌ ํƒ€์ž…์˜ ๊ธธ์ด๋ฅผ ์•Œ๊ณ 

Q2. TDD ์‚ฌ์šฉ์˜ ์žฅ์ ์€ ๋ฌด์—‡์ธ๊ฐ€์š”?

๋‹ต๋ณ€

ํšŒ๊ณ  5ํŒ€์˜ ์ž๋ž‘

โ€ข
ํšŒ๊ณ ์— ์ ๊ทน์ ์œผ๋กœ ์ฐธ์—ฌํ•ฉ๋‹ˆ๋‹ค.
โ€ข
๋งค์ผ ํšŒ๊ณ ๋ฅผ ํ•ฉ๋‹ˆ๋‹ค.
โ€ข
ํ•œ๋ช… ์”ฉ ๋Œ์•„๊ฐ€๋ฉด์„œ ๋ฐœํ‘œ๋ฅผ ๊ผญ ํ•ฉ๋‹ˆ๋‹ค.
โ€ข
์‹œ๊ฐ„์„ ์ž˜ ์ง€ํ‚ต๋‹ˆ๋‹ค.
โ€ข
๊ธฐ๋ณธ๊ธฐ ์™•์ด ๋ฉ๋‹ˆ๋‹ค.