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1004Jumto / [์‹ ํ•œDS์•„์นด๋ฐ๋ฏธ][2์ฃผ์ฐจ] Java ๊ธฐ์ดˆ - ์ƒ์†.md
Last active October 31, 2025 04:35
"์ด๊ฒƒ์ด ์ž๋ฐ”๋‹ค" ๊ต์žฌ ๊ธฐ๋ฐ˜ ๋‚ด์šฉ ์ •๋ฆฌ - ์ƒ์†

7. ์ƒ์†

์ƒ์† ์‹œ ์ƒ์„ฑ์ž

  • JVM์€ ๋ช…์‹œ์ ์œผ๋กœ ๊ฐœ๋ฐœ์ž๊ฐ€ ์ƒ์„ฑ์ž๋ฅผ ํ•˜๋‚˜๋ผ๋„ ๋งŒ๋“ค ๊ฒฝ์šฐ ์ž๋™์œผ๋กœ ๊ธฐ๋ณธ์ƒ์„ฑ์ž๋ฅผ ๋งŒ๋“œ๋Š” ๊ฒƒ์„ ์ˆ˜ํ–‰ํ•˜์ง€ ์•Š์Œ.
  • ๋”ฐ๋ผ์„œ ๋ถ€๋ชจํด๋ž˜์Šค์— ๋ช…์‹œ์ ์œผ๋กœ ๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ๊ฐ–๋Š” ์ƒ์„ฑ์ž๋ฅผ ํ•˜๋‚˜๋ผ๋„ ๋งŒ๋“ค์—ˆ๋‹ค๋ฉด, ์ปดํŒŒ์ผ๋Ÿฌ๋Š” ๊ธฐ๋ณธ ์ƒ์„ฑ์ž๋ฅผ ๋งŒ๋“ค์ง€ ์•Š๊ธฐ ๋•Œ๋ฌธ์—,
    ์ž์‹ํด๋ž˜์Šค์—์„œ super()๋ฅผ ์ž๋™์œผ๋กœ ์‚ฝ์ž…ํ•˜๋ ค๋Š” ์‹œ๋„๊ฐ€ ์‹คํŒจ๋จ
@1004Jumto
1004Jumto / [์‹ ํ•œDS์•„์นด๋ฐ๋ฏธ][2์ฃผ์ฐจ] Java ๊ธฐ์ดˆ - ํด๋ž˜์Šค.md
Last active October 29, 2025 08:10
"์ด๊ฒƒ์ด ์ž๋ฐ”๋‹ค" ๊ต์žฌ ๊ธฐ๋ฐ˜ ๋‚ด์šฉ ์ •๋ฆฌ - ํด๋ž˜์Šค(์˜ค๋ฒ„๋กœ๋”ฉ, ๋ฉ”์†Œ๋“œ, ์ธ์Šคํ„ด์Šค/์ •์ ๋ฉค๋ฒ„, final, ํŒจํ‚ค์ง€, ์ ‘๊ทผ์ œํ•œ์ž, getter/setter, ์‹ฑ๊ธ€ํ†คํŒจํ„ด)

ํด๋ž˜์Šค

* ํด๋ž˜์Šค: ํ•„๋“œ + ์ƒ์„ฑ์ž + ๋ฉ”์†Œ๋“œ
        : ํƒ€์ž…(์ž๋ฃŒ๊ตฌ์กฐ), ์ €์žฅ์†Œ(๋ฐ์ดํ„ฐ)
       
* ํŒจํ‚ค์ง€: ํด๋”

* ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ: jar 
  
@1004Jumto
1004Jumto / [์‹ ํ•œDS์•„์นด๋ฐ๋ฏธ][2์ฃผ์ฐจ] Java ๊ธฐ์ดˆ - ์ฐธ์กฐํƒ€์ž…, ํด๋ž˜์Šค.md
Last active October 29, 2025 00:03
'์ด๊ฒƒ์ด ์ž๋ฐ”๋‹ค' ๊ต์žฌ ๊ธฐ๋ฐ˜ ๊ฐ•์˜ ๋‚ด์šฉ ์ •๋ฆฌ - ์ฐธ์กฐํƒ€์ž…(๋ฐฐ์—ด, ์—ด๊ฑฐ), ํด๋ž˜์Šค

๋ฐฐ์—ด

  • ๋ฐฐ์—ด์€ ๋ชจ๋“  ์š”์†Œ๊ฐ€ ๋™์ผํ•œ ํƒ€์ž…์œผ๋กœ, ๊ธธ์ด ๋ณ€๊ฒฝ์ด ๋ถˆ๊ฐ€ํ•จ(์ถ”๊ฐ€/์‚ญ์ œ ๋ถˆ๊ฐ€)

  • ์„ ์–ธ ๋ฐ ์ดˆ๊ธฐํ™”

    package ch05;
    
    import java.util.Arrays;
@1004Jumto
1004Jumto / [์‹ ํ•œDS์•„์นด๋ฐ๋ฏธ][2์ฃผ์ฐจ] Java ๊ธฐ์ดˆ - ์—ฐ์‚ฐ์ž, ๋ฐ˜๋ณต๋ฌธ๊ณผ ์กฐ๊ฑด๋ฌธ, ์ฐธ์กฐํƒ€์ž….md
Last active October 28, 2025 00:31
"์ด๊ฒƒ์ด ์ž๋ฐ”๋‹ค" ๊ต์žฌ ๊ธฐ๋ฐ˜ ๋‚ด์šฉ ์ •๋ฆฌ - ์—ฐ์‚ฐ์ž( ๋ถ€๋™์†Œ์ˆ˜์ ), ๋ฐ˜๋ณต๋ฌธ๊ณผ ์กฐ๊ฑด๋ฌธ(for/while), ์ฐธ์กฐํƒ€์ž…(String)

3. ์—ฐ์‚ฐ์ž

์ฆ๊ฐ, ์‚ฐ์ˆ , ๋น„๊ต, ๋…ผ๋ฆฌ, ๋Œ€์ž…, ์‚ผํ•ญ

  • ์ฆ๊ฐ ์—ฐ์‚ฐ์ž
    package ch03;
    
    public class Operator {

๊ณ„ํš ์„ธ์šฐ๊ธฐ

  • ๋…ธ์…˜ ํŽ˜์ด์ง€ ์ƒ์„ฑ : ๋ฐฐ์šด ๊ฒƒ ์ •๋ฆฌ(์š”์•ฝ)
  • ์Šคํ„ฐ๋””, ์ž๊ฒฉ์ฆ ์ค€๋น„(์ •๋ณด์ฒ˜๋ฆฌ๊ธฐ์‚ฌ ํ•„์ˆ˜) -> ํ˜„์žฌ sqld ์ทจ๋“, ๋ฆฌ๋ˆ…์Šค๋งˆ์Šคํ„ฐ/์ •์ฒ˜๊ธฐ ์‹ค๊ธฐ ์ค€๋น„์ค‘
  • ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ์ค€๋น„

Java ์–ธ์–ด ๊ธฐ์ดˆ

์‹ ํ•œ ๊ธˆ์œต SW ์•„์นด๋ฐ๋ฏธ

์ปค๋ฆฌํ˜๋Ÿผ

  • SQL
  • git, linux, AI
  • ํ”„๋ก ํŠธ์—”๋“œ(html, css, js + jquery)
  • ๋ฐฑ์—”๋“œ(servlet + jsp)
  • ๋ฐฑ์—”๋“œ(spring legacy)
  • ํ…Œ์ŠคํŠธ