[TIL] 231016 List remove()

CountryGirlยท2023๋…„ 10์›” 16์ผ

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๐Ÿ“Œ remove(int index)

: ํŒŒ๋ผ๋ฏธํ„ฐ๋กœ int ๊ฐ€ ๋“ค์–ด์˜ค๊ฒŒ ๋˜๋ฉด ํ•ด๋‹น index ์— ์žˆ๋Š” ๊ฐ’์ด remove ๋œ๋‹ค.

List<Integer> list = new ArrayList<>(Arrays.asList(4, 8, 9, 12));
list.remove(2);
list = [4, 8, 9, 12]
result = [4, 8, 12]

๐Ÿ“Œ remove(Object o)

: ํŒŒ๋ผ๋ฏธํ„ฐ๋กœ Object ๊ฐ€ ๋“ค์–ด์˜ค๊ฒŒ ๋˜๋ฉด ํ•ด๋‹น ๊ฐ’์ด remove ๋œ๋‹ค.

List<Integer> list = new ArrayList<>(Arrays.asList(100, 123, 402, 4));
list.remove(Integer.valueOf(123));
list = [100, 123, 402, 4]
result = [100, 402, 4]

์ฝ”๋”ฉํ…Œ์ŠคํŠธ ๋ฌธ์ œ๋ฅผ ํ’€๋ฉด์„œ ์•Œ๊ฒŒ ๋˜์—ˆ๋‹ค! ๋งŽ์ด ์“ธ ๊ฒƒ ๊ฐ™๋‹ค!

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