๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

Tech Stack/Java & Spring8

[์ปฌ๋ ‰์…˜ ํ”„๋ ˆ์ž„์›Œํฌ] List 1. ๋ฆฌ์ŠคํŠธ๋ž€ ๋ฌด์—‡์ธ๊ฐ€? โ˜‘๏ธŽ ๋ฆฌ์ŠคํŠธ์˜ ํŠน์ง•  - ์ˆœ์„œ ๋ณด์žฅ: ๋ฐ์ดํ„ฐ๊ฐ€ ๋“ค์–ด๊ฐ„ ์ˆœ์„œ๋ฅผ ์œ ์ง€  - ์ค‘๋ณต ํ—ˆ์šฉ: ๊ฐ™์€ ๊ฐ’์„ ์—ฌ๋Ÿฌ ๋ฒˆ ์ €์žฅ ๊ฐ€๋Šฅ  - ๋ฐฐ์—ด๊ณผ ๋น„์Šทํ•˜์ง€๋งŒ ํฌ๊ธฐ๊ฐ€ ์ž๋™์œผ๋กœ ์กฐ์ ˆ๋จ2. ์ง์ ‘ ๊ตฌํ˜„ํ•œ ๋ฆฌ์ŠคํŠธ โ˜‘๏ธŽ ์ž๋ฐ”์—์„œ ์ œ๊ณตํ•˜๋Š” ArrayList, LinkedList๋ฅผ ํ‰๋‚ด๋‚ด์–ด ๊ธฐ๋ณธ์ ์ธ ๋ฆฌ์ŠคํŠธ ๊ตฌ์กฐ๋ฅผ ์ง์ ‘ ๊ตฌํ˜„ํ•ด๋ณด์ž. โœฐ ๊ณตํ†ต ์ธํ„ฐํŽ˜์ด์Šค : MyList  - ์ด ์ธํ„ฐํŽ˜์ด์Šค ๋•๋ถ„์—, MyArrayList๋‚˜ MyLinkedList๋ฅผ ๋™์ผํ•œ ๋ฐฉ์‹์œผ๋กœ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋˜์—ˆ๋‹ค." data-ke-type="moreLess">๋”๋ณด๊ธฐpublic interface MyList { int size(); void add(E e); void add(int index, E e); E get(int in.. 2025. 4. 5.
[Java] ๋ฐฐ์—ด ๋‚ด์šฉ ์ถœ๋ ฅํ•˜๋Š” ๋ฐฉ๋ฒ•: Arrays.toString() Arrays.toString() ์ด๋ž€?- ํŒŒ๋ผ๋ฏธํ„ฐ๋กœ ์ง€์ •ํ•œ ๋ฐฐ์—ด์˜ ๋‚ด์šฉ์„ ๋ฌธ์ž์—ด(String)ํƒ€์ž…์œผ๋กœ ๋ฐ์ดํ„ฐ๋กœ ๋ฐ˜ํ™˜ํ•ด์ฃผ๋Š” ๋ฉ”์„œ๋“œ๋ฅผ ๋งํ•œ๋‹ค. public class ArrayMain1 { public static void main(String[] args) { int[] arr = new int[5]; arr[0] = 1; arr[1] = 2; arr[2] = 3; System.out.println("==System.out.println(arr)=="); System.out.println(arr); }} ==System.out.println(arr)==[I@3fee733d ์ด [I@3fee733d ๊ฒฐ๊ณผ๊ฐ’์€ .. 2024. 10. 17.

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