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Java 117

[TIL] 2021.01.16

JAVAโ˜•๏ธ Codeit;[์ž๋ฐ” ์™•๊ธฐ์ดˆ] 04. ์กฐ๊ฑด๋ฌธ๊ณผ ๋ฐ˜๋ณต๋ฌธ09. while๋ฌธ ์—ฐ์Šต10. for๋ฌธ11. for๋ฌธ ์ •๋ฆฌ12. ๊ตฌ๊ตฌ๋‹จ [์ž๋ฐ” ์™•๊ธฐ์ดˆ] 05. ๋ฐฐ์—ด01. ๋ฐฐ์—ด02. ๋ฐฐ์—ด ์ •๋ฆฌ03. ๋ฐฐ์—ด ์—ฐ์Šต Codeit; while ์‹ค์Šต ๊ณผ์ œ๋Š” ์‰ฌ์šด ๋ฌธ์ œ์˜€๋Š”๋ฐ ๊ดœํžˆ ์–ด๋ ต๊ฒŒ ์ƒ๊ฐํ•ด์„œ ์ฝ”๋”ฉํ•˜๋Š” ์‹œ๊ฐ„์ด ์˜ค๋ž˜ ๊ฑธ๋ ธ๋‹ค;;; ์‰ฝ๊ฒŒ ์ ‘๊ทผํ•˜๊ณ  ์ฃผ์–ด์ง„ ๋ณ€์ˆ˜์— ๋Œ€ํ•ด์„œ ์ข€ ๋” ๋นจ๋ฆฌ ์ƒ๊ฐํ•ด๋ณด๋Š” ์Šต๊ด€์„ ๊ฐ€์ง€์ž!!! ๊ทธ๋ž˜๋„ while ๊ณผ์ œ๋Š” ๊ณ ๋ฏผ์„ ๊ฝค ํ–ˆ๋˜ํ„ฐ๋ผ "์ •๋‹ต์ž…๋‹ˆ๋‹ค๐Ÿ‘๐Ÿป"๋ผ๋Š” ํ™”๋ฉด์„ ๋ณด๊ณ  ๋‚˜๋‹ˆ ๊ดœํžˆ ๋ฟŒ๋“ฏ... ๊ตฌ๊ตฌ๋‹จ ๋ฌธ์ œ๋Š” Beatcamp; ์—์„œ ํ•ด๋ดค๋‹ค๊ณ  ์ง„์งœ ๋ฐ”๋กœ ๋”ฑ! ์น˜๋ฉด ์–ต! ํ•˜๊ณ  ๋‚˜์™”๋‹ค :)

CodeSiri/TIL 2021.01.16

[TIL] 2021.01.15 โšพ๏ธ

JAVAโ˜•๏ธ Beatcamp; Theory01. ๋ฐฐ์—ด Quiz01. ์•ผ๊ตฌ๊ฒŒ์ž„ Beatcamp; ์—์„œ ํŒ€ ๊ณผ์ œ๋กœ ์•ผ๊ตฌ ๊ฒŒ์ž„์„ ์ง„ํ–‰ํ–ˆ๋Š”๋ฐ ๋ชจ๋“  ํŒ€์› ๋ฐ ํ•™์ƒ๋“ค์ด ๋ฉ˜๋ถ•์— ๋น ์กŒ๋‹ค... Java์— ๋Œ€ํ•œ ๊ธฐ๋ณธ ์ง€์‹์ด ์Œ“์ด๋ฉด ๋‹ค์‹œ ๋„์ „ํ•ด๋ณด๋Š” ๊ฒƒ์œผ๋กœ... ๋ฉ˜๋ถ•์œผ๋กœ ์ธํ•ด Codeit; ๊ฐ•์˜๋Š” ์‰ฌ์–ด๊ฐ€๊ธฐ๋กœ...

CodeSiri/TIL 2021.01.16

[์ž๋ฐ” ์™•๊ธฐ์ดˆ] 04. ๋ฐ˜๋ณต๋ฌธ

Switch ์‹ค์Šต ๊ณผ์ œ ์ •์ˆ˜ 134354๋ฅผ 7๋กœ ๋‚˜๋ˆˆ ๋‚˜๋จธ์ง€๋ฅผ ์˜์–ด๋กœ ์ถœ๋ ฅํ•˜์„ธ์š”. ์˜ˆ๋ฅผ ๋“ค์–ด์„œ 134354๋ฅผ 7๋กœ ๋‚˜๋ˆ„์—ˆ์„ ๋•Œ ๋‚˜๋จธ์ง€๊ฐ€ 0์ด๋ฉด ์ฝ˜์†”์— "Zero"๊ฐ€ ์ถœ๋ ฅ๋˜์–ด์•ผ ํ•˜๊ณ , 1 ์ด๋ฉด ์ฝ˜์†”์— "One"์ด ์ถœ๋ ฅ๋˜์–ด์•ผ ํ•˜๊ณ , 2์ด๋ฉด "Two"๊ฐ€ ์ถœ๋ ฅ๋˜์–ด์•ผ ํ•˜๊ณ , 6์ด๋ฉด "Six"์ด ์ถœ๋ ฅ๋˜์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. (์–ด๋–ค ์ˆ˜๋ฅผ 7๋กœ ๋‚˜๋ˆ„์—ˆ์„ ๋•Œ, ๋‚˜์˜ฌ ์ˆ˜ ์žˆ๋Š” ๋‚˜๋จธ์ง€์˜ ์ตœ์†Ÿ๊ฐ’์€ 0์ด๊ณ , ์ตœ๋Œ“๊ฐ’์€ 6์ž…๋‹ˆ๋‹ค.) public class Switch { public static void main(String[] args) { int number = 134354; switch (number%7){ case 0: System.out.println("Zero"); break; case 1: System.out.println("..

Languages/Java 2021.01.14

[์ž๋ฐ” ์™•๊ธฐ์ดˆ] 04. ๋ฐ˜๋ณต๋ฌธ

if, else if, else ์ •์ˆ˜ํ˜• ๋ณ€์ˆ˜ a, b์— ๋Œ€ํ•˜์—ฌ ๋‹ค์Œ์˜ ์กฐ๊ฑด๋“ค์„ ๋งŒ์กฑํ•˜๋Š” ์ฝ”๋“œ๋ฅผ ์ž‘์„ฑํ•ด ๋ด…์‹œ๋‹ค. a์™€ b๊ฐ€ ๊ฐ™์œผ๋ฉด "a์™€ b๊ฐ€ ๊ฐ™์Šต๋‹ˆ๋‹ค. a = b = [a์˜ ๊ฐ’]"๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค. a์™€ b๊ฐ€ ๊ฐ™์ง€ ์•Š์œผ๋ฉด "a์™€ b๋Š” ๊ฐ™์ง€ ์•Š์Šต๋‹ˆ๋‹ค"๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค. ์กฐ๊ฑด (2)์˜ ์ถœ๋ ฅ๋ฌธ ์ดํ›„์—, a๊ฐ€ b๋ณด๋‹ค ๋” ํฐ ๊ฒฝ์šฐ "a๊ฐ€ b๋ณด๋‹ค [a, b์˜ ์ฐจ]๋งŒํผ ๋” ํฝ๋‹ˆ๋‹ค."๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค. ์กฐ๊ฑด (2)์˜ ์ถœ๋ ฅ๋ฌธ ์ดํ›„์—, b๊ฐ€ a๋ณด๋‹ค ๋” ํฐ ๊ฒฝ์šฐ "b๊ฐ€ a๋ณด๋‹ค [a, b์˜ ์ฐจ]๋งŒํผ ๋” ํฝ๋‹ˆ๋‹ค."๋ฅผ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด์„œ a๋Š” 3, b๋Š” 7์ธ ๊ฒฝ์šฐ, ์•„๋ž˜์˜ ์ถœ๋ ฅ๊ฐ’์ด ๋‚˜์™€์•ผํ•ฉ๋‹ˆ๋‹ค. > a์™€ b๋Š” ๊ฐ™์ง€ ์•Š์Šต๋‹ˆ๋‹ค. b๊ฐ€ a๋ณด๋‹ค 4๋งŒํผ ๋” ํฝ๋‹ˆ๋‹ค. a์™€ b๋Š” ๊ฐ™์ง€ ์•Š์Šต๋‹ˆ๋‹ค. a๊ฐ€ b๋ณด๋‹ค 11๋งŒํผ ๋” ํฝ๋‹ˆ๋‹ค. public cl..

Languages/Java 2021.01.14

[์ž๋ฐ” ์™•๊ธฐ์ดˆ] 03. ๋ณ€์ˆ˜์™€ ์—ฐ์‚ฐ

์—ฐ์‚ฐ์ž์™€ ํ˜• ๋ณ€ํ™˜ ์—ฌ๋Ÿฌ๋ถ„์ด ๊ตญ์–ด(koreanScore) 86์ , ์ˆ˜ํ•™(mathScore) 94์ , ๊ณผํ•™(scienceScore) 87์ , ์ปดํ“จํ„ฐ(computerScore) 100์ ์„ ๋งž์•˜๋‹ค๊ณ  ํ•ฉ์‹œ๋‹ค. ์ด ๊ฐ’๋“ค์„ ์‚ฌ์šฉํ•˜์—ฌ ํ‰๊ท  ์ ์ˆ˜(average)๋ฅผ ๊ตฌํ•˜๊ณ  ์†Œ์ˆ˜๋กœ ์ถœ๋ ฅํ•ด๋ณด์„ธ์š”. > 91.75 public class Main { public static void main(String[] args) { double koreanScore = 86; double mathScore = 94; double scienceScore = 87; double computerScore = 100; double average = (koreanScore + mathScore + scienceScore + computerScore..

Languages/Java 2021.01.13

2021.01.11 | JAVA ์ฒซ๊ฑธ์Œ!

HELLO WORLD ์ฒ˜์Œ์œผ๋กœ ์ƒ์„ฑํ•œ Java ์ฝ”๋“œ์ด๋‹ค. ์˜ค๋ฅธ์ชฝ ๋งˆ์šฐ์Šค๋ฅผ ํด๋ฆญํ•˜์—ฌ "Run As - Java application"์„ ํด๋ฆญํ•˜์—ฌ ์‹คํ–‰ํ•œ๋‹ค. Public class Test { public static void main (String[] args) { System.out.println("Hello World"); } } ์•„๋ž˜ ์‚ฌ์ง„๊ณผ ๊ฐ™์ด Console์— "Hello World"๊ฐ€ ์‹คํ–‰๋œ ๊ฒƒ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค. ํ‚ค๋ณด๋“œ ์ž…๋ ฅ ํ‚ค๋ณด๋“œ ์ž…๋ ฅ ๋ฐฉ๋ฒ•์€ ๋‘ ๊ฐ€์ง€๊ฐ€ ์žˆ๋‹ค. ๋‘ ๊ฐ€์ง€๋ฅผ ๋น„๊ตํ•˜์˜€์„ ๋•Œ Scanner๋ฅผ ์ด์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์ด ํŽธ๋ฆฌํ•˜๋‚˜ ๊ธฐ์ดˆ๋ถ€ํ„ฐ ํƒ„ํƒ„ํžˆ ํ•˜๊ธฐ ์œ„ํ•ด System.in ๋ฐฉ๋ฒ•์„ ๋จผ์ € ์•Œ์•„๋ณด์ž. 1. Standard Input Stream์ธ System.in.read()๋ฅผ ์ด์šฉํ•˜๋Š” ๋ฐฉ๋ฒ• 2. JD..

Education/BITCAMP 2021.01.11
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