2021-05-26(Wed)

Facts (사싀, 객관)

  • μ§€μ›ν•œ νšŒμ‚¬μ˜ 1μ°¨ 면접을 λ³΄μ•˜λ‹€. λΆ€μ‘±ν–ˆλ˜ λΆ€λΆ„μ˜ ν‚€μ›Œλ“œλ₯Ό 정리해뒀닀.

  • μ½”λ“œμˆ¨ 4μ£Όμ°¨ 과제λ₯Ό κ΅¬ν˜„ν•˜μ˜€λ‹€.

    • Spring JPA Dataκ°€ μΈν„°νŽ˜μ΄μŠ€λ§Œ μ„ μ–Έν–ˆλŠ”λ° μž‘λ™ν•˜λŠ” 것이 잘 이해가 μ•ˆ λ˜μ–΄μ„œ κ΄€λ ¨ν•΄μ„œ μ’€ 더 ν•™μŠ΅ν–ˆλ‹€.

    • μ½”λ“œμˆ¨ 4μ£Όμ°¨ 과제λ₯Ό κ΅¬ν˜„ν•  λ•Œ ν…ŒμŠ€νŠΈλ₯Ό λ¨Όμ € μž‘μ„±ν•˜κ³  μ§„ν–‰ν•˜λ €κ³  ν–ˆλŠ”λ° μ‹€νŒ¨ν–ˆλ‹€.

Feelings (λŠλ‚Œ, μ£Όκ΄€)

λ‚˜ 혼자 λ“€μ–΄κ°„ 첫 κΈ°μˆ λ©΄μ ‘.. μ•„.. 머리가 ν•˜μ–˜μ§„λ‹€λŠ” 것이 μ–΄λ–€ λœ»μΈμ§€ μ‹€κ°ν–ˆλ‹€. μ„€κ³„ν–ˆλ˜ 15개 ν…Œμ΄λΈ”μ„ λ˜‘λ°”λ‘œ 그리지 λͺ» ν–ˆλ‹€. μ§„μ§œ 이뢈ν‚₯ 각이 λ‚˜μ˜€κ³  λ§μ•˜λ‹€. 3κ°œμ›” 전에 λ§Œλ“€μ—ˆλ˜ ν”„λ‘œμ νŠΈλΌ κΈ°μ–΅μ—μ„œ 휘발된 것도 있고, κ·Έ 만큼 체화가 덜 λ˜μ—ˆλ‹€λŠ” 것도 원인이닀. 사싀 이λ ₯μ„œμ— μ μ—ˆμœΌλ©΄ 이걸 μ’€ 더 μ œλŒ€λ‘œ μ€€λΉ„ν–ˆμ–΄μ•Ό ν–ˆλŠ”λ° 아쉽닀. λΆ€μ‘±ν–ˆλ˜ 뢀뢄을 적어놓고, μ°¨μ°¨ μ±„μ›Œμ•Όκ² λ‹€.

λ©΄μ ‘ 질문 쀑 μž¬λ°ŒλŠ” 화두가 μžˆμ—ˆλŠ”λ°, ν…ŒμŠ€νŠΈ μΌ€μ΄μŠ€λ₯Ό λ§Œλ“€ λ•Œ 무쑰건 λ™μž‘ν•΄μ•Όν•˜λŠ” 것이 잘 λ™μž‘ν•˜λŠ”μ§€λ₯Ό κ²€μ¦ν•˜λŠ” μš©λ„μ™€ μ ˆλŒ€ λ™μž‘ν•˜λ©΄ μ•ˆ λ˜λŠ” 것을 κ²€μ¦ν•˜λŠ” μš©λ„ 쀑에 μ–΄λ–€ μš©λ„λ‘œ ν…ŒμŠ€νŠΈ μΌ€μ΄μŠ€λ₯Ό 더 μ§‘μ€‘ν•΄μ„œ λ§Œλ“€μ§€μ— λŒ€ν•œ 것 μ΄μ—ˆλ‹€. 흠 λ‚˜λŠ” μ „μžλ₯Ό νƒν–ˆλŠ”λ°, λ‹Ήμ—°νžˆ 될거라고 λ―Ώκ³  μžˆλŠ” 뢀뢄이 잘λͺ» λ™μž‘ν•  λ•Œμ˜ μœ„ν—˜μ΄ κ°€μž₯ 크닀고 μƒκ°ν–ˆκΈ° λ•Œλ¬Έμ΄λ‹€. 이런 μˆ˜λ‹€κ°€ μž¬λ°ŒλŠ”κ±° κ°™λ‹€γ…Žγ…Ž

μ½”λ“œμˆ¨ 4μ£Όμ°¨ 과제의 경우, 이미 κ΅¬ν˜„λ˜μ–΄ μžˆλŠ” ν…ŒμŠ€νŠΈμ— μ˜μ‘΄ν•΄μ„œ μ½”λ“œλ₯Ό κ΅¬ν˜„ν•œ 것이 아쉽닀. Test first! ν•˜κ³  μ‹Άμ—ˆλŠ”λ°..

Findings (배운 점)

JPA interface κ΅¬ν˜„ 여뢀에 λŒ€ν•΄μ„œ

In a typical Java application, you might expect to write a class that implements CustomerRepository. However, that is what makes Spring Data JPA so powerful: You need not write an implementation of the repository interface. Spring Data JPA creates an implementation when you run the application. - spring-guide accessing data with JPA

κ΅¬ν˜„ν•  ν•„μš”κ°€ μ—†λ‹€. Spring Data JPAκ°€ 'μ• ν”Œλ¦¬μΌ€μ΄μ…˜μ΄ 싀행될 λ•Œ' μžλ™μœΌλ‘œ μΈν„°νŽ˜μ΄μŠ€λ₯Ό κ΅¬ν˜„ν•΄μ€€λ‹€. ν˜Όλž€μ΄ μ‹Ή κ°€μ…¨λ‹€.

Affimation (자기 μ„ μ–Έ)

λ‚˜λŠ” λͺ°λžλ˜ 뢀뢄을 μΈμ§€ν•˜κ³ , 적극적으둜 μ±„μ›Œλ‚΄λŠ” κ°œλ°œμžλ‹€.

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