๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ
IntelliJ์—์„œ Git/GitHub ์‚ฌ์šฉํ•˜๊ธฐ - ๊ธฐ์กด ํ”„๋กœ์ ํŠธ ์—ฐ๋™ํ•˜๊ธฐ GitHub์— ์ƒˆ๋กœ์šด remote repository๋ฅผ ๋งŒ๋“ค๊ณ  ๊ธฐ์กด IntelliJ ํ”„๋กœ์ ํŠธ(๋ชจ๋“ˆ)์„ ์—ฐ๋™ํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด ๋‹ค๋ฃฌ๋‹ค. IntelliJ๋Š” 2019.3 ๋ฒ„์ „์„ ๊ธฐ์ค€์œผ๋กœ ํ•œ๋‹ค. ๊ณผ์ •์€ ๋‹ค์Œ ์ˆœ์„œ๋กœ ์ง„ํ–‰๋œ๋‹ค. GitHub remote repository ์ƒ์„ฑํ•˜๊ธฐ IntelliJ์— GitHub ๊ณ„์ • ๋“ฑ๋กํ•˜๊ธฐ IntelliJ์— remote repository ๋“ฑ๋กํ•˜๊ธฐ ๊ธฐ์กด ํ”„๋กœ์ ํŠธ(๋ชจ๋“ˆ)๋กœ Git local repository๋ฅผ ๋งŒ๋“ค๊ณ  Commit, Push IntelliJ์—์„œ Git์„ ์‚ฌ์šฉํ•˜๋ ค๋ฉด PC์— Git์„ ์„ค์น˜ํ•˜๊ณ  Git ๋ฐ”์ด๋„ˆ๋ฆฌ ํŒŒ์ผ์„ IntelliJ์— ๋“ฑ๋กํ•ด์•ผ ํ•œ๋‹ค. ์ด๊ฒŒ ๋˜์–ด์žˆ์ง€ ์•Š์œผ๋ฉด ๋‹ค์Œ ๋‚ด์šฉ์„ ์ฐธ๊ณ ํ•ด์„œ ์„ ํ–‰ํ•ด๋‘์–ด์•ผ ํ•œ๋‹ค. Git ํ”Œ๋Ÿฌ๊ทธ์ธ ํ™•์ธ Settings - Plugins์—์„œ ์„ค.. 2020. 2. 17.
[IntelliJ] Module already exist in project ์—๋Ÿฌ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ• [IntelliJ] Module already exist in project ์—๋Ÿฌ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ• ๋ถ„๋ช… IntelliJ Project view์—๋Š” ์กด์žฌํ•˜์ง€ ์•Š๋Š” ๋ชจ๋“ˆ์ธ๋ฐ ์ƒ์„ฑํ•˜๋ ค๊ณ  ํ•˜๋ฉด ์ด๋ฏธ ์กด์žฌํ•˜๋Š” ์ด๋ฆ„์ด๋ผ ์ƒ์„ฑํ•  ์ˆ˜ ์—†๋‹ค๋Š” ์—๋Ÿฌ๋ฉ”์‹œ์ง€๊ฐ€ ๋œฐ ๋•Œ๊ฐ€ ์žˆ๋‹ค. ์œ„ ์˜ˆ์‹œ๋Š” JavaWebProgramming ํ”„๋กœ์ ํŠธ ์•ˆ์— Lesson01web์ด๋ผ๋Š” ๋ชจ๋“ˆ ํ•˜๋‚˜๋งŒ ์กด์žฌํ•˜๋Š” ์ƒํƒœ์ด๋‹ค. 'web03' ๋ชจ๋“ˆ์„ ์ƒ์„ฑํ•˜๋ ค๊ณ  ํ•˜์ž Module 'web03' already exist in project. Please, specify another name. ์ฆ‰ ์ด๋ฏธ ์ด ํ”„๋กœ์ ํŠธ์— ์กด์žฌํ•˜๋ฏ€๋กœ ๋‹ค๋ฅธ ์ด๋ฆ„์„ ์ง€์ •ํ•˜๋ผ๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€๊ฐ€ ๋œจ๋ฉฐ ์ƒ์„ฑ์ด ๋˜์ง€ ์•Š๋Š”๋‹ค. ์ด๋ฅผ ํ•ด๊ฒฐํ•˜๋ ค๋ฉด ์ผ๋‹จ ํ”„๋กœ์ ํŠธ์˜ ์ž‘์—… ๋””๋ ‰ํ† ๋ฆฌ๋กœ ์ด๋™ํ•œ๋‹ค. ๋ฃจํŠธ ํ”„๋กœ์ ํŠธ ๋””๋ ‰ํ† ๋ฆฌ.. 2020. 2. 7.
[IntelliJ] SDK(JDK) ์„ค์ • ๋ฐฉ๋ฒ•(cannot start compiler the sdk is not specified) Eclipse ํ”„๋กœ์ ํŠธ๋ฅผ IntelliJ์—์„œ importํ•˜์ž 'cannot start compiler the sdk is not specified for module ... Specify the SDK in the Project Structure dialog' ๋ผ๋Š” ์—๋Ÿฌ๋ฉ”์‹œ์ง€๊ฐ€ ๋– ์„œ IntelliJ์—์„œ Global SDK, Project SDK, Module SDK๋ฅผ ๊ด€๋ฆฌํ•˜๊ณ  ์ง€์ •ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์ •๋ฆฌํ•ด๋ณด์•˜๋‹ค. SDK(Software Development Kit)๋Š” ํŠน์ • ์†Œํ”„ํŠธ์›จ์–ด ํ”„๋ ˆ์ž„์›Œํฌ์— ๋Œ€ํ•œ ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ ๊ฐœ๋ฐœ ๋„๊ตฌ ๋ชจ์Œ์ด๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, Java๋กœ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ๊ฐœ๋ฐœํ•˜๋ ค๋ฉด Java SDK = JDK๊ฐ€ ํ•„์š”ํ•˜๋‹ค. IntelliJ IDEA 2019.3 ๋ฒ„์ „์—์„œ ์ง€์›ํ•˜๋Š” SDK ๋ชฉ๋ก์€ ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค. Jav.. 2020. 2. 4.
IntelliJ IDEA - ๋ฌด๋ฃŒ๋กœ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ๊ต์œก ๋ผ์ด์„ผ์Šค ๋ฐ›๋Š” ๋ฐฉ๋ฒ• IntelliJ IDEA๋Š” Ultimate(์œ ๋ฃŒ ๋ฒ„์ „)๊ณผ Community(๋ฌด๋ฃŒ ๋ฒ„์ „)์˜ ์ง€์› ๊ธฐ๋Šฅ ์ฐจ์ด๊ฐ€ ๋งค์šฐ ํฌ๋‹ค. ํŠนํžˆ ์ž๋ฐ” ์›น ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ๊ฐœ๋ฐœํ•˜๋ ค๋ฉด Ultimate ๋ผ์ด์„ผ์Šค๊ฐ€ ํ•„์ˆ˜์ ์ธ๋ฐ ๋Œ€ํ•™๊ต์˜ ์ด๋ฉ”์ผ ์ธ์ฆ์„ ํ†ตํ•ด ๊ต์œก ๋ผ์ด์„ผ์Šค๋ฅผ ๋ฐ›์•„ ์œ ๋ฃŒ ๋ฒ„์ „์„ ๋ฌด๋ฃŒ๋กœ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค. ์žฌํ•™์ƒ ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์กธ์—…์ƒ๋„ ๋ฐ›์„ ์ˆ˜ ์žˆ์œผ๋ฉฐ ๊ต์œก ๋ผ์ด์„ผ์Šค์˜ ์œ ํšจ ๊ธฐ๊ฐ„์€ ์‹ ์ฒญ์ผ๋กœ๋ถ€ํ„ฐ 1๋…„ ์ •๋„์ด๋‹ค. ๋”๋ถˆ์–ด ๊ต์œก ๋ผ์ด์„ผ์Šค๋กœ IntelliJ IDEA ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ JetBrains์˜ ๋ชจ๋“  ์ œํ’ˆ์˜ ์œ ๋ฃŒ ๋ฒ„์ „์„ ๋ฌด๋ฃŒ๋กœ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค. ๊ต์œก ๋ผ์ด์„ผ์Šค๋ฅผ ๋ฐ›๋Š” ๋ฐฉ๋ฒ•์€ ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค. https://www.jetbrains.com/student/ For Students: Free Professional Developer Tools by.. 2020. 1. 30.
[JAVA] IntelliJ IDEA - try-catch๋ฌธ ๋“ฑ์˜ ์ฝ”๋“œ ๋ธ”๋Ÿญ ์ž๋™ ์‚ฝ์ž… ๋ฐฉ๋ฒ• ์˜ˆ์™ธ๋ฅผ ์ฒ˜๋ฆฌํ•˜๊ธฐ ์œ„ํ•ด try-catch๋ฌธ์„ ์ž‘์„ฑํ•ด์•ผ ํ•  ๋•Œ, ํ•˜๋‚˜ ํ•˜๋‚˜ ์†์ˆ˜ ์ž‘์„ฑํ•˜๋ ค๋ฉด ์—ฌ๊ฐ„ ๊ท€์ฐฎ์€๊ฒŒ ์•„๋‹ˆ๋‹ค. ๋ฌผ๋ก  IntelliJ์™€ ๊ฐ™์€ IDE์—์„œ๋Š” ์ด๋Ÿฐ ๊ธฐ๊ณ„์ ์ธ ์ž‘์—…์— ์ž๋™ ์ž‘์„ฑ ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•œ๋‹ค. ์ด๋Ÿฐ ๊ธฐ๋Šฅ๋“ค์„ ์•Œ์•„๋‘๋ฉด ํ›จ์”ฌ ๋น ๋ฅด๊ฒŒ ์ฝ”๋”ฉํ•  ์ˆ˜ ์žˆ๊ณ  ๋” ์ค‘์š”ํ•œ ๋ถ€๋ถ„์— ์ง‘์ค‘ํ•  ์ˆ˜ ์žˆ๊ธฐ ๋•Œ๋ฌธ์— ์†์— ์ตํ˜€๋‘๋Š”๊ฒŒ ์ข‹๋‹ค. 1. ์˜์—ญ ์„ ํƒ try-catch๋ฌธ์œผ๋กœ ๊ฐ์Œ€ ์˜์—ญ์„ ์„ ํƒํ•œ๋‹ค. 2. Code - Surround With... ๋ฉ”๋‰ด ํด๋ฆญ (Crtl + Alt + T / โŒฅ โŒ˜ T) Code - Surround With... ๋ฉ”๋‰ด๋ฅผ ํด๋ฆญํ•œ๋‹ค. ๋‹จ์ถ•ํ‚ค๋Š” ์œˆ๋„์šฐ๋Š” Crtl + Alt + T ๋งฅ์€ โŒฅ โŒ˜ T์ด๋‹ค. 3. ๊ฐ์Œ€ ์ฝ”๋“œ ๋ธ”๋Ÿญ์„ ์„ ํƒํ•œ๋‹ค. ์—ฌ๊ธฐ์„œ๋Š” try / catch ํด๋ฆญํ•˜๊ฑฐ๋‚˜ ์•ž์— 1. 2. 3. ๊ณผ .. 2020. 1. 19.
[JAVA] IntelliJ IDEA - ํ”„๋กœ๊ทธ๋žจ ์‹คํ–‰ argument ์„ค์ • ๋ฐฉ๋ฒ• Run - Edit Configurations... ํด๋ฆญ Program arguments์— ์‹คํ–‰ argument๋ฅผ ์ž…๋ ฅํ•˜๊ณ  ์„ค์ •์„ ์ €์žฅํ•œ๋’ค ์‹คํ–‰(run)ํ•œ๋‹ค. ๋˜๋Š” ๋‹จ์ถ•ํ‚ค Alt + Shift + F10์„ ๋ˆŒ๋Ÿฌ ํ•ด๋‹นํ•˜๋Š” ํ”„๋กœ๊ทธ๋žจ์˜ run configuration ์„ค์ •์„ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์žˆ๋‹ค. [IntelliJ IDEA] ๋งž์ถค๋ฒ•, ์ŠคํŽ ๋ง ์ฒดํฌ ํ•ด์ œ ๋ฐฉ๋ฒ• [IntelliJ IDEA] ๋งž์ถค๋ฒ•, ์ŠคํŽ ๋ง ์ฒดํฌ ํ•ด์ œ ๋ฐฉ๋ฒ• Spellchecker๋Š” ์ฝ”๋“œ์˜ ์˜คํƒ€๋ฅผ ์ฐพ๊ณ  ๊ณ ์น˜๋Š”๋ฐ ๋„์›€์„ ์ฃผ์ง€๋งŒ, ํ•œ๊ธ€์˜ ๊ฒฝ์šฐ ์˜คํƒ€๊ฐ€ ์•„๋‹Œ๋ฐ๋„ ์˜๋ฌธ๊ณผ ๋ถ™์–ด์žˆ์„ ๊ฒฝ์šฐ ๋ฐ‘์ค„์ด ์ƒ๊ฒจ ๋ณด๊ธฐ์— ์ข‹์ง€ ์•Š๋‹ค. Spellchecker๊ฐ€ ์ฃผ์„์€ ๊ฒ€์‚ฌํ•˜์ง€ ์•Š๋„๋ก ์„ค์ •์„ ํ•ด์ œํ•˜๋ฉด ๋œ๋‹ค... atoz-develop.tistory.com [JAVA] IntelliJ I.. 2020. 1. 18.
[IntelliJ IDEA] ๋งž์ถค๋ฒ•, ์ŠคํŽ ๋ง ์ฒดํฌ ํ•ด์ œ ๋ฐฉ๋ฒ• Spellchecker๋Š” ์ฝ”๋“œ์˜ ์˜คํƒ€๋ฅผ ์ฐพ๊ณ  ๊ณ ์น˜๋Š”๋ฐ ๋„์›€์„ ์ฃผ์ง€๋งŒ, ํ•œ๊ธ€์˜ ๊ฒฝ์šฐ ์˜คํƒ€๊ฐ€ ์•„๋‹Œ๋ฐ๋„ ์˜๋ฌธ๊ณผ ๋ถ™์–ด์žˆ์„ ๊ฒฝ์šฐ ๋ฐ‘์ค„์ด ์ƒ๊ฒจ ๋ณด๊ธฐ์— ์ข‹์ง€ ์•Š๋‹ค. Spellchecker๊ฐ€ ์ฃผ์„์€ ๊ฒ€์‚ฌํ•˜์ง€ ์•Š๋„๋ก ์„ค์ •์„ ํ•ด์ œํ•˜๋ฉด ๋œ๋‹ค. File - Settings๋ฅผ ํด๋ฆญํ•ด ์„ค์ • ์ฐฝ์„ ์—ด๊ณ  Editor - Inspections - Spelling - Typo์—์„œ Process comments์˜ ์ฒดํฌ๋ฅผ ํ•ด์ œํ•œ๋‹ค. ์ฝ”๋“œ, ๋ฆฌํ„ฐ๋Ÿด์—์„œ๋„ Spellchecker๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š์œผ๋ ค๋ฉด Process code, Process literals์˜ ์ฒดํฌ๋ฅผ ํ•ด์ œํ•˜๋ฉด ๋œ๋‹ค. [JAVA] IntelliJ IDEA - Project language level ์„ค์ •์˜ ์˜๋ฏธ [JAVA] IntelliJ IDEA - Project language l.. 2020. 1. 17.
[JAVA] IntelliJ IDEA - Project language level ์„ค์ •์˜ ์˜๋ฏธ IntelliJ IDEA์˜ Project Structure ์ฐฝ์—์„œ Project SDK, Project language level ์„ค์ •์„ ์ฐพ์„ ์ˆ˜ ์žˆ๋‹ค. โ€ป ์ฐธ๊ณ  - Project Structure ์ƒ๋‹จ ๋ฉ”๋‰ด์˜ File - Project Structure ํด๋ฆญ ํ˜น์€ ๋‹จ์ถ•ํ‚ค Ctrl + Alt + Shift + S (์œˆ๋„์šฐ ๊ธฐ์ค€) Project language level์€ ์‹ค์ œ๋กœ ๋ฌด์—‡์„ ์„ค์ •ํ•˜๋Š”๊ฐ€? Project language level์€ IntelliJ์˜ editor(ํŽธ์ง‘๊ธฐ)์™€ java compiler๊ฐ€ ์‚ฌ์šฉํ•  language level์„ ์„ค์ •ํ•œ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, JDK 1.7์„ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์ง€๋งŒ java ์ฝ”๋“œ๊ฐ€ JDK 1.6๊ณผ ํ˜ธํ™˜๋˜๋„๋ก ํ•˜๋ ค๋ฉด language level์„ ์‹ค์ œ JDK ์ง€์›(JDK 1.7.. 2020. 1. 7.
[JAVA] IntelliJ IDEA - jar ํŒŒ์ผ export, import ๋ฐฉ๋ฒ• 1. JAR ํŒŒ์ผ Export ์œ„ ์˜ˆ์‹œ ํ”„๋กœ์ ํŠธ์˜ JarExample ๋ชจ๋“ˆ์„ jar ํŒŒ์ผ๋กœ export ํ•˜๋ คํ•œ๋‹ค. IntelliJ๋Š” ํ•œ ํ”„๋กœ์ ํŠธ ์•ˆ์— ๋‹ค์ˆ˜์˜ ๋ชจ๋“ˆ์„ ๊ฐ€์งˆ ์ˆ˜ ์žˆ๋‹ค. ์ง€๊ธˆ์€ ํ•˜๋‚˜์˜ ๋ชจ๋“ˆ๋งŒ์„ ๊ฐ–๊ณ ์žˆ๋Š” ์ƒํƒœ์ด๋‹ค. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Player{name='Tim', hitPoints=10, strength=15, weapon='Sword'} Saving Tim to storage device Saving 10 to storage device Saving 15 to storage device Saving Sword to storage device Player{name='Tim', hitPoints=8, strength=15, weapon='.. 2020. 1. 5.
[JAVA] IntelliJ IDEA ์‚ฌ์šฉ ํŒ - Auto import ์˜ต์…˜ ์„ค์ • File - Settings๋ฅผ ํด๋ฆญํ•˜์—ฌ ์ธํ…”๋ฆฌJ ์„ธํŒ… ์ฐฝ์„ ๋„์šด๋‹ค. ๋‹จ์ถ•ํ‚ค๋Š” Ctrl + Alt + S์ด๋‹ค. Editor - General - Auto Import์—์„œ ๊ด€๋ จ ์˜ต์…˜๋“ค์„ ์„ค์ •ํ•  ์ˆ˜ ์žˆ๋‹ค. ์ด ์ค‘ ์ฝ”๋“œ ๋ณ€๊ฒฝ๊ณผ ์ฝ”๋“œ ๋ถ™์—ฌ๋„ฃ๊ธฐ์— ๋”ฐ๋ฅธ ์ž๋™ import ์˜ต์…˜์— ๋Œ€ํ•ด ์‚ดํŽด๋ณด๋„๋ก ํ•˜๊ฒ ๋‹ค. ์ฝ”๋“œ ๋ณ€๊ฒฝ์— ๋”ฐ๋ฅธ ์ž๋™ import ์˜ต์…˜ Optimize imports on the fly ์˜ต์…˜์€ ์ฝ”๋“œ๊ฐ€ ๋ณ€๊ฒฝ๋จ์— ๋”ฐ๋ผ ์ž๋™์œผ๋กœ ํŒจํ‚ค์ง€ import๋ฌธ์„ ์‚ฝ์ž…/์‚ญ์ œํ•ด์ฃผ๋Š” ์˜ต์…˜์ด๋‹ค. ํ•„์š”ํ•œ ํŒจํ‚ค์ง€๋Š” ์ž๋™์œผ๋กœ ์‚ฝ์ž…ํ•˜๊ณ  ๋ถˆํ•„์š”ํ•œ ํŒจํ‚ค์ง€๋Š” ์ž๋™์œผ๋กœ ์‚ญ์ œํ•œ๋‹ค. ํŽธ๋ฆฌํ•œ ๊ธฐ๋Šฅ์ด๋ฏ€๋กœ ํŠน๋ณ„ํ•œ ์ด์œ ๊ฐ€ ์žˆ๋Š”๊ฒŒ ์•„๋‹ˆ๋ผ๋ฉด ์ฒดํฌํ•˜์—ฌ ์ผœ๋‘๋Š”๊ฒŒ ์ข‹๋‹ค. ์ฝ”๋“œ ๋ถ™์—ฌ๋„ฃ๊ธฐ ์‹œ import ์˜ต์…˜ Insert imports on paste ์˜ต์…˜์€ ์ฝ”๋“œ๋ฅผ ๋ถ™์—ฌ.. 2020. 1. 3.