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My Tech Blog (๊ธฐ์ถœ)

์˜ค๋Š˜์˜ ๋ช…์–ธ
" ์–ด๋–ค ์ง„๋ฆฌ๋ผ๋„ ๊ทธ๊ฒƒ์„ ๋ฐํžˆ๋Š” ์ž๋Š” ํ•ญ์ƒ ์™ธ๋กœ์›€์„ ๊ฒฌ๋ŽŒ์•ผ ํ•œ๋‹ค. "
- ๊ฐˆ๋ฆด๋ ˆ์˜ค ๊ฐˆ๋ฆด๋ ˆ์ด (์ดํƒˆ๋ฆฌ์•„ ์ฒœ๋ฌธํ•™์ž, ๋ฌผ๋ฆฌํ•™์ž, ์ฒ ํ•™์ž)
1. (Java) ์•„๋ž˜ ์ฝ”๋“œ๋ฅผ ํ™•์ธํ•˜์—ฌ ์•Œ๋งž๋Š” ์ถœ๋ ฅ๊ฐ’์„ ์ž‘์„ฑํ•˜์‹œ์˜ค.public class Main{ static String[] s = new String[3]; static void func(String[]s, int size){ for(int i=1; i์ •๋‹ต: OOAAA ์ด ๋ฌธ์ œ๋Š” ๋ฌธ์ž์—ด ๋น„๊ต์—์„œ ์ž์ฃผ ๋‚˜์˜ค๋Š” equals() vs == ๊ฐœ๋…์„ ์ž˜ ์ดํ•ดํ•˜๊ณ  ์žˆ์–ด์•ผ ํ’€ ์ˆ˜ ์žˆ๋Š” ๋ฌธ์ œ์ด๋‹ค. equals()๋Š” ๋ฌธ์ž์—ด์˜ ๋‚ด์šฉ์„ ๋น„๊ตํ•˜๋ฏ€๋กœ "A"์™€ new String("A")๋„ ๊ฐ™๋‹ค๊ณ  ๋ณธ๋‹ค.๋ฐ˜๋ฉด ==๋Š” ์ฃผ์†Œ๋ฅผ ๋น„๊ตํ•˜๋ฏ€๋กœ ์ด ๊ฒฝ์šฐ false๊ฐ€ ๋  ์ˆ˜ ์žˆ๋‹ค. (์ด ์ฝ”๋“œ์—์„œ๋Š” ์‚ฌ์šฉ ์•ˆ ๋จ) static String[] s = new String[3];๊ธธ์ด 3์งœ๋ฆฌ ๋ฌธ์ž์—ด ๋ฐฐ์—ด s ์„ ์–ธํ•˜๊ธฐs[0] = "A";..
โœ” ์ถœ์ œ ๊ฒฝํ–ฅ๋‹จ์ˆœํ•œ ๋ฌธ์ œ๋Š” ๊ฑฐ์˜ ์ถœ์ œ๋˜์ง€ ์•Š์Œ๋ฐ˜๋ณต๋ฌธ + ์—ญ์Šฌ๋ผ์ด์‹ฑ + ์ธ๋ฑ์‹ฑ ๋“ฑ ์—ฌ๋Ÿฌ ๊ฐœ๋…์„ ์„ž์–ด์„œ ๋ณต์žกํ•œ ๋ฌธ์ œ ํ˜•ํƒœ๋กœ ์ถœ์ œ๋จ.์ „์ฒด 20๋ฌธ์ œ ์ค‘ Python ๊ด€๋ จ ๋ฌธ์ œ๋Š” 1~2๋ฌธ์ œ ์ •๋„ ์ถœ์ œ๋จ 1. print() ํ•จ์ˆ˜โœ… 1. ํŒŒ์ด์ฌ print()ํ•จ์ˆ˜๋Š”๊ธฐ๋ณธ์ ์œผ๋กœ ์ค„ ๋ฐ”๊ฟˆ ์ถœ๋ ฅ๋จint_val = range(2, 10, 2)for i in int_val: print(i)2468โŒ ๋‹ต์•ˆ ์ž‘์„ฑ์‹œ ์•„๋ž˜์ฒ˜๋Ÿผ ์ž‘์„ฑํ•˜๋ฉด ์˜ค๋‹ต2, 4, 6, 8 ๊ธฐ๋ณธ์ ์œผ๋กœ print() ํ•จ์ˆ˜๋Š” ์ถœ๋ ฅ ํ›„ ์ค„ ๋ฐ”๊ฟˆ(\n)์ด ์ ์šฉ๋˜์ง€๋งŒ, end=" "์™€ ๊ฐ™์ด ์„ค์ •ํ•˜๋ฉด ์ค„ ๋ฐ”๊ฟˆ ์—†์ด ์›ํ•˜๋Š” ๋ฌธ์ž(์˜ˆ: ๊ณต๋ฐฑ)๋ฅผ ์ถœ๋ ฅํ•  ์ˆ˜ ์žˆ๋‹ค.  2. ๋ฌธ์ž์—ดโœ… join() : ์—ฌ๋Ÿฌ ๊ฐœ์˜ ๋ฌธ์ž์—ด์„ ํ•˜๋‚˜๋กœ ๊ฒฐํ•ฉstr = '^'.join(['a', 'b', 'c'..
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