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πŸ’» μ‹ μž… κ°œλ°œμžλ‘œμ„œ 지식을 μŒ“κΈ° μœ„ν•΄ κ³΅λΆ€ν•˜λŠ” 곡간 πŸ‘¨β€πŸ’»

License: MIT License

developer android computer-science interview tech-interview network datbase data-structures java kotlin android-application it junior-developer junior-developers algorithms os tech beginner junior development

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ready-for-tech-interview's Issues

μ ‘κ·Ό μ œμ–΄μž κ΄€λ ¨ 좔가사항

μ ‘κ·Ό μ œμ–΄μžλ₯Ό κΉŒλ¨ΉκΈ°λ„ ν•˜μ§€λ§Œ
privateλ‚˜ default에 λŒ€ν•΄μ„œ 상속 λ¬Έμ œλ„ μƒκ°ν•˜μ§€ μ•ŠλŠ” κ²½μš°κ°€ λ§ŽμŠ΅λ‹ˆλ‹€.
이뢀뢄에 λŒ€ν•΄μ„œ μΆ”κ°€ν•˜λ©΄ 쒋지 μ•Šμ„κΉŒμš”?

...

?spam 32178

μΈν„°νŽ˜μ΄μŠ€ κ΄€λ ¨ 좔가사항

μΈν„°νŽ˜μ΄μŠ€
- ν΄λž˜μŠ€κ°€ μ•„λ‹ˆλ©°, ν΄λž˜μŠ€μ™€ 관련이 μ—†λ‹€.
- 좔상 λ©”μ†Œλ“œμ™€ μƒμˆ˜λ§Œμ„ λ©€λ²„λ‘œ 가진닀.
- ν•œ 개의 ν΄λž˜μŠ€κ°€ μ—¬λŸ¬ μΈν„°νŽ˜μ΄μŠ€λ₯Ό κ΅¬ν˜„ν•  수 μžˆλ‹€. (닀쀑 κ΅¬ν˜„ κ°€λŠ₯.)
- λͺ©μ  : κ΅¬ν˜„ 객체의 같은 λ™μž‘μ„ 보μž₯ν•˜κΈ° μœ„ν•΄ μ‚¬μš©ν•œλ‹€.

java8λΆ€ν„° μΈν„°νŽ˜μ΄μŠ€μ—μ„œ default method λ₯Ό μ§€μ›ν•˜μ—¬ μΈν„°νŽ˜μ΄μŠ€μ—μ„œλ„ 일반 λ©”μ†Œλ“œλ₯Ό κ΅¬ν˜„ν•  수 있게 λ˜μ—ˆμŠ΅λ‹ˆλ‹€. 이 λΆ€λΆ„κ³Ό κ΄€λ ¨λœ λ‚΄μš©μ΄ μ—…λ°μ΄νŠΈλ˜λ©΄ 쒋을 것 κ°™μŠ΅λ‹ˆλ‹€.

ArrayList vs LinkedList κ΄€λ ¨

μ•ˆλ…•ν•˜μ„Έμš”. 정리가 κΉ”λ”ν•˜κ²Œ μž˜λ˜μ–΄μžˆλ„€μš”, 잘 보고 μžˆμŠ΅λ‹ˆλ‹€.

https://github.com/WooVictory/Ready-For-Tech-Interview/blob/master/Data%20Structure/%5BData%20Sturcture%5D%20ArrayList%20vs%20LinkedList.md
κ΄€λ ¨ν•΄μ„œ κ±΄μ˜μ‚¬ν•­ λ“œλ¦½λ‹ˆλ‹€.

ArrayList와 LinkedListλŠ” Javaμ—μ„œ μ‚¬μš©ν•˜λŠ” Collection의 넀이밍이고,
Data Structure μ΄λ‘ μ—μ„œ ArrayListλŠ” Dynamic Array으둜 λΆˆλ¦½λ‹ˆλ‹€. (C++μ—μ„œλŠ” Vector)

Data Structure ν•­λͺ©μ— μžˆλŠ”λ§ŒνΌ Language Independentν•œ λ„€μ΄λ°μœΌλ‘œ κΈ°μž¬ν•˜λŠ”κ²ƒμ΄ 어떀지 건의 λ“œλ¦½λ‹ˆλ‹€.
μΆ”κ°€μ μœΌλ‘œ 언어에 λ”°λ₯Έ κ΅¬ν˜„μ²΄ 넀이밍도 λΆ€κ°€μ μœΌλ‘œ 기재되면 μ’‹κ² λ„€μš”^^

λ‹€μ‹œν•œλ²ˆ λ…Έλ ₯에 κ°μ‚¬λ“œλ¦½λ‹ˆλ‹€!

[Network] κ³΅κ°œν‚€ μ•”ν˜Έ, λŒ€μΉ­ν‚€ μ•”ν˜Έ κ΄€λ ¨

networkνŒŒνŠΈμ— κ³΅κ°œν‚€ μ•”ν˜Έ, λŒ€μΉ­ν‚€ μ•”ν˜Έ 뢀뢄에 였λ₯˜κ°€ μžˆλŠ” 것 κ°™μ•„μ„œ 이슈 μ˜¬λ¦½λ‹ˆλ‹€.

κ°œμΈν‚€λ‘œ μ•”ν˜Έν™”ν•œ μ •λ³΄λŠ” κ·Έ 쌍이 λ˜λŠ” κ³΅κ°œν‚€λ‘œλ§Œ λ³΅ν˜Έν™”κ°€ κ°€λŠ₯ν•˜κ³  λ°˜λŒ€λ‘œ κ³΅κ°œν‚€λ‘œ μ•”ν˜Έν™”ν•œ μ •λ³΄λŠ” κ·Έ 쌍이 λ˜λŠ” κ°œμΈν‚€λ‘œλ§Œ λ³΅ν˜Έν™”κ°€ κ°€λŠ₯ν•˜λ‹€.

=> κ³΅κ°œν‚€ μ•”ν˜Έν™” λ°©μ‹μ—μ„œλŠ” μ•”ν˜Έν™”ν•˜λŠ”λ° κ³΅κ°œν‚€λ₯Ό μ‚¬μš©ν•˜κ³  λ³΅ν˜Έν™”ν•˜λŠ”λ° κ°œμΈν‚€λ₯Ό μ‚¬μš©ν•˜λŠ” κ²ƒμœΌλ‘œ μ•Œκ³  μžˆμŠ΅λ‹ˆλ‹€. 예λ₯Ό λ“€μ–΄ Aκ°€ Bμ—κ²Œ 데이터λ₯Ό μ „μ†‘ν•œλ‹€λ©΄ B의 κ°œμΈν‚€μ™€ 쌍이 λ˜λŠ” κ³΅κ°œν‚€λ‘œ μ•”ν˜Έν™”λ₯Ό ν•˜κ³  BλŠ” μ•”ν˜Έλ¬Έμ„ κ°œμΈν‚€λ‘œ λ³΅ν˜Έν™”ν•©λ‹ˆλ‹€. λ°˜λŒ€λ‘œ Bκ°€ Aμ—κ²Œ 데이터λ₯Ό 전솑할 λ•ŒλŠ” A의 κ°œμΈν‚€μ™€ μŒμ΄λ˜λŠ” κ³΅κ°œν‚€λ‘œ μ•”ν˜Έν™”ν•˜μ—¬ μ „μ†‘μ„ν•˜κ³  AλŠ” κ°œμΈν‚€λ₯Ό μ΄μš©ν•΄ λ³΅ν˜Έν™”λ₯Ό μ§„ν–‰ν•©λ‹ˆλ‹€. κ°œμΈν‚€λ‘œ μ•”ν˜Έν™”ν•˜κ³  κ³΅κ°œν‚€λ‘œ λ³΅ν˜Έν™”ν•˜λŠ” 방식은 λ³΄μ•ˆμ— μ·¨μ•½ν•  것 κ°™μŠ΅λ‹ˆλ‹€. (κ³΅λΆ€ν•˜λŠ” 도쀑 λ°œκ²¬ν•œ 뢀뢄이라 μ œλŒ€λ‘œ μ•Œκ³  μ‹Άμ–΄μ„œ 이슈 λ‚¨κΉλ‹ˆλ‹€. μ œκ°€ 잘 λͺ» μ•Œκ³  μžˆλŠ” 뢀뢄이 μžˆλ‹€λ©΄ λ§μ”€ν•΄μ£Όμ„Έμš”! κ°μ‚¬ν•©λ‹ˆλ‹€πŸ˜Š)

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