Banner

My Tech Blog (์ •์˜)

์˜ค๋Š˜์˜ ๋ช…์–ธ
" ๋ถˆ๊ฐ€๋Šฅ์ด๋ผ๋Š” ๋‹จ์–ด๋Š” ๋‹จ์ง€ ์ด ์„ธ์ƒ์— ์žˆ๋Š” ๋‹จ์–ด์ผ ๋ฟ, ๋‚ด ์‚ฌ์ „์— ์—†๋‹ค. "
- ์˜ค๋“œ๋ฆฌ ํ—ต๋ฒˆ (์˜๊ตญ ์ถœ์‹  ๋ฐฐ์šฐ, ์ธ๋„์ฃผ์˜์ž)
Spring ํ”„๋กœ์ ํŠธ์—์„œ๋Š” ์„œ๋น„์Šค ๋ ˆ์ด์–ด์—์„œ ์ธํ„ฐํŽ˜์ด์Šค(*Mgr.java)์™€ ๊ตฌํ˜„ ํด๋ž˜์Šค(*MgrImpl.java)๊ฐ€ ๋ถ„๋ฆฌ๋˜์–ด ์žˆ์–ด, F3(Open Declaration)๋ฅผ ๋ˆŒ๋Ÿฌ๋„ ์ธํ„ฐํŽ˜์ด์Šค๋กœ๋งŒ ์ด๋™ํ•˜๋Š” ๋ถˆํŽธํ•จ์ด ์žˆ๋‹ค. ์ด๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด Open Implementation ๊ธฐ๋Šฅ์„ ํ‚ค๋ณด๋“œ ๋‹จ์ถ•ํ‚ค(Ctrl + F3)๋กœ ์„ค์ •ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์ •๋ฆฌ ํ•ด ๋ณธ๋‹ค. ๐Ÿ”น ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•: Open Implementation ๋‹จ์ถ•ํ‚ค ์„ค์ •ํ•˜๊ธฐ 1. Eclipse ํ™˜๊ฒฝ์„ค์ • Window โ†’ Preferences (๋˜๋Š” Alt + W, P)2. ์ขŒ์ธก ๋ฉ”๋‰ด์—์„œ General โ†’ Keys ์„ ํƒ3. "Open Implementation" ๋‹จ์ถ•ํ‚ค ์ง€์ • type filter text์— Open Implementation ์ž…๋ ฅ Binding(๋‹จ์ถ•..
package ex02๋‹Œํ…๋„๊ฒŒ์ž„๊ธฐ; public class Dongmul extends GameChip { @Override public void start() { System.out.println("๋™๋ฌผ์˜์ˆฒ ๊ฒŒ์ž„์„ ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค."); } } package ex02๋‹Œํ…๋„๊ฒŒ์ž„๊ธฐ; public class Mario extends GameChip { @Override public void start() { System.out.println("๋งˆ๋ฆฌ์˜ค์นดํŠธ ๊ฒŒ์ž„์„ ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค."); } } package ex02๋‹Œํ…๋„๊ฒŒ์ž„๊ธฐ; public class Zelda extends GameChip { @Override public void start() { System.out.println("์ ค๋‹ค์˜ ์ „์„ค์„ ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค."); }..
์ƒ๋‹จ์œผ๋กœ