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[Kotlin] Soft Keyword, Hard Keyword, Modifier Keyword ์ถœ์ฒ˜ChatGPThttps://www.tutorialspoint.com/kotlin/kotlin_keywords.htm Kotlin - KeywordsKotlin - Keywords - Kotlin keywords are predefined, reserved words used in Kotlin programming that have special meanings to the compiler. These words cannot be used as an identifier (variables names, package names, function names etc.) and if used then comwww.tutorialspoint.comhttps://kotlinlang.org/docs/keyword-..
[Kotlin] ์™œ ํŒŒ์ผ ํ•˜๋‚˜์— ์—ฌ๋Ÿฌ ํด๋ž˜์Šค๋“ค์„ ์„ ์–ธํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ–ˆ์„๊นŒ ์ถœ์ฒ˜https://kotlinlang.org/docs/coding-conventions.html#source-file-names Coding conventions | Kotlin kotlinlang.orghttps://engineering.salesforce.com/building-data-pipelines-using-kotlin-2d70edc0297c/ Building Data Pipelines Using Kotlin - Salesforce Engineering BlogWe selected Kotlin as an alternative for our backend development to address some of Java’s shortcomings.engineering.salesforce.comCh..
[Kotlin] statement(๋ฌธ)์™€ expression(์‹) ์ถœ์ฒ˜Kotlin In ActionChatGPThttps://blog.kotlin-academy.com/kotlin-programmer-dictionary-statement-vs-expression-e6743ba1aaa0 Kotlin programmer dictionary: Statement vs ExpressionStatement and expression are two important terms which are commonly misunderstood. Let’s start explanation from the expression term.blog.kotlin-academy.com 1. Expression ์‹๊ฐ’์„ ๋ฐ˜ํ™˜ํ•˜๋Š” ์ฝ”๋“œ. ๋‹ค๋ฅธ ์‹์˜ ํ•˜์œ„ ์š”์†Œ๋กœ ๊ณ„์‚ฐ์— ์ฐธ์—ฌํ•  ์ˆ˜ ์žˆ๋‹ค.์ฝ”ํ‹€๋ฆฐ์—์„œ ๋ชจ๋“  ํ•จ์ˆ˜๋“ค์€..
[ํ”„๋กœ๊ทธ๋ž˜๋ฐ] ์˜์†์„ฑ ํ”„๋ ˆ์ž„์›Œํฌ Persistence Framework ์ถœ์ฒ˜ChatGPThttps://en.wikipedia.org/wiki/Persistence_framework Persistence framework - WikipediaFrom Wikipedia, the free encyclopedia Database middleware In computing a persistence framework is middleware that assists in the storage and retrieval of information between applications and databases, especially relational databases. It acts as a layer ofen.wikipedia.org ์˜์†์„ฑ ํ”„๋ ˆ์ž„์›Œํฌ Persistence Framework..
[Java] IO, NIO ์ฐจ์ด ์ถœ์ฒ˜https://dev-coco.tistory.com/42 [Java] IO์™€ NIO์˜ ์ฐจ์ด์ ? / IO์™€ NIO์˜ ์„ ํƒNIO ? ์ž๋ฐ” 4๋ถ€ํ„ฐ ์ƒˆ๋กœ์šด ์ž…์ถœ๋ ฅ(New Input/Output)์ด๋ผ๋Š” ๋œป์—์„œ java.nio ํŒจํ‚ค์ง€๊ฐ€ ํฌํ•จ๋˜์—ˆ๋Š”๋ฐ ์ž๋ฐ” 7๋กœ ๋ฒ„์ „์—…ํ•˜๋ฉด์„œ IO์™€ NIO ์‚ฌ์ด์˜ ์ผ๊ด€์„ฑ ์—†๋Š” ํด๋ž˜์Šค ์„ค๊ณ„๋ฅผ ๋ฐ”๋กœ ์žก๊ณ  ๋น„๋™๊ธฐ ์ฑ„๋„ ๋“ฑ์˜ ๋„คํŠธ์›Œdev-coco.tistory.comChatGPThttps://systemdata.tistory.com/26 ์ž๋ฐ”์˜ IO์™€ (New)NIO๋ž€?๋ชฉ์ฐจNIO(New Input/Output)IO์™€ NIO์˜ ์ฐจ์ด์ 2-1. ์ž…์ถœ๋ ฅ ๋ฐฉ์‹2-2. ๋ฒ„ํผ ๋ฐฉ์‹2-3. ๋™๊ธฐ / ๋น„๋™๊ธฐ ๋ฐฉ์‹2-4. ๋ธ”๋กœํ‚น / ๋„Œ๋ธ”๋กœํ‚น ๋ฐฉ์‹๊ฒฐ๋ก 1. NIO(New Input/Output)๊ธฐ์กด java.i..
[Java] I/O Channel ์ถœ์ฒ˜ChatGPT ์ฑ„๋„์ด๋ž€ Channel์ฑ„๋„์€ ๋ฐ์ดํ„ฐ๋ฅผ ์ฝ๊ณ  ์“ธ ์ˆ˜ ์žˆ๋Š” ์–‘๋ฐฉํ–ฅ ๋ฐ์ดํ„ฐ ํ†ต๋กœ์ด๋‹ค. ๊ธฐ์กด์˜ ์ŠคํŠธ๋ฆผ์€ ์ž…๋ ฅ ๋˜๋Š” ์ถœ๋ ฅ ์ค‘ ํ•œ ๋ฐฉํ–ฅ์œผ๋กœ๋งŒ ๋™์ž‘ํ•˜์ง€๋งŒ, ์ฑ„๋„์€ ์–‘์ชฝ ๋ชจ๋‘์—์„œ ๋ฐ์ดํ„ฐ๋ฅผ ์ฒ˜๋ฆฌํ•  ์ˆ˜ ์žˆ๋‹ค.์ฑ„๋„์€ ์ฃผ๋กœ ํŒŒ์ผ, ์†Œ์ผ“, ๋˜๋Š” ๋‹ค๋ฅธ ๋ฐ์ดํ„ฐ ์†Œ์Šค์™€์˜ ๋ฐ์ดํ„ฐ ์ „์†ก์— ์‚ฌ์šฉ๋˜๋ฉฐ, ๋น„๋™๊ธฐ์ ์ธ I/O๋ฅผ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•ด์ค€๋‹ค.java.nio (New I/O) ํŒจํ‚ค์ง€์— ํฌํ•จ๋œ ๊ฐœ๋…์ด๋‹ค.๊ด€๋ จ ๊ธ€ -> [Java] I/O Stream๐Ÿค” ์ฑ„๋„์€ ์™œ ์–‘๋ฐฉํ–ฅ์„ ์ง€์›ํ• ๊นŒ  ์ฑ„๋„๊ณผ ๋ฒ„ํผ์™€์˜ ๊ด€๊ณ„์ฑ„๋„์€ ๋ฐ์ดํ„ฐ๋ฅผ ์ง์ ‘ ์ผ๊ณ  ์“ฐ๋Š” ๋Œ€์‹ , ๋ฒ„ํผ๋ฅผ ์‚ฌ์šฉํ•ด ๋ฐ์ดํ„ฐ๋ฅผ ์ „์†กํ•œ๋‹ค. ์ฆ‰, ์ฑ„๋„์€ ๋ฒ„ํผ์™€ ์ƒํ˜ธ์ž‘์šฉํ•ด ๋ฐ์ดํ„ฐ๋ฅผ ์ฃผ๊ณ ๋ฐ›๋Š”๋‹ค.๋ฐ์ดํ„ฐ๋ฅผ ์ฝ์„  ๋•Œ๋Š” ์ฑ„๋„์—์„œ ๋ฒ„ํผ๋กœ, ๋ฐ์ดํ„ฐ๋ฅผ ์“ธ ๋•Œ๋Š” ๋ฒ„ํผ์—์„œ ์ฑ„๋„๋กœ ์ „์†กํ•˜๋Š” ๊ตฌ์กฐ์ด๋‹ค. ์ฑ„๋„์˜ ์ข…๋ฅ˜๊ฐ ..
[Java] I/O Buffer ์ถœ์ฒ˜ChatGPThttps://velog.io/@mmy789/Java-NIO-3 [Java] NIO - ๋ฒ„ํผ๋ฒ„ํผ ์‚ฌ์šฉ๋ฒ•์„ ์•Œ์•„๋ณด์ž!velog.io ๋ฒ„ํผ๋ž€? Buffer๋ฒ„ํผ๋Š” ๋ฐ์ดํ„ฐ๋ฅผ ์ผ์‹œ์ ์œผ๋กœ ์ €์žฅํ•˜๋Š” ๋ฉ”๋ชจ๋ฆฌ ๊ณต๊ฐ„์ด๋‹ค. ์ฃผ๋กœ ์ž…์ถœ๋ ฅ (I/O) ์ž‘์—…์—์„œ ์‚ฌ์šฉ๋˜๋ฉฐ, ๋ฐ์ดํ„ฐ๋ฅผ ๋ชจ์•„์„œ ํ•œ๊บผ๋ฒˆ์— ์ฝ๊ฑฐ๋‚˜ ์“ฐ๋Š” ๋ฐฉ์‹์œผ๋กœ ์„ฑ๋Šฅ์„ ๊ฐœ์„ ํ•œ๋‹ค. ๋ฒ„ํผ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ์ด์œ 1. ์ž…์ถœ๋ ฅ ์„ฑ๋Šฅ ํ–ฅ์ƒ์ž…์ถœ๋ ฅ ์žฅ์น˜๋Š” ์ผ๋ฐ˜์ ์œผ๋กœ CPU๋ณด๋‹ค ์†๋„๊ฐ€ ๋Š๋ฆฌ๊ธฐ ๋–„๋ฌธ์—, ๋ฐ์ดํ„ฐ๋ฅผ ํ•˜๋‚˜์”ฉ ์ „์†กํ•˜๋ฉด ๋งค์šฐ ๋น„ํšจ์œจ์ ์ผ ์ˆ˜ ์žˆ๋‹ค. ์ด๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด ๋ฒ„ํผ๋Š” ๋ฐ์ดํ„ฐ๋ฅผ ์ผ์ •๋Ÿ‰ ๋ชจ์•„ ํ•œ ๋ฒˆ์— ์ „์†Œํ•จ์œผ๋กœ์จ ์„ฑ๋Šฅ์„ ํฌ๊ฒŒ ํ–ฅ์ƒ์‹œํ‚จ๋‹ค.CPU์™€ ์ž…์ถœ๋ ฅ ๊ธฐ๊ธฐ์˜ ์†๋„ ์ฐจ์ดCPU๋Š” ์ดˆ๋‹น ์ˆ˜์‹ญ์–ต ๋ช…๋ น์–ด๋ฅผ ์ฒ˜๋ฆฌํ•  ์ˆ˜ ์žˆ๋Š” ๊ณ ์† ์žฅ์น˜์ด๋‹ค.์ž…๋ ฅ์ถœ ๊ธฐ๊ธฐ๋Š” ์ƒ๋Œ€์ ์œผ๋กœ ๋Š๋ฆฐ ์žฅ์น˜์ด๋‹ค. ์˜ˆ๋ฅผ ..
[ํ”„๋กœ๊ทธ๋ž˜๋ฐ] RPC Remote Procedure Call ์›๊ฒฉ ํ”„๋กœ์‹œ์ € ํ˜ธ์ถœ ์ถœ์ฒ˜ChatGPThttps://www.ibm.com/docs/ko/aix/7.3?topic=concepts-remote-procedure-call ๋ฆฌ๋ชจํŠธ ํ”„๋กœ์‹œ์ € ํ˜ธ์ถœ์›๊ฒฉ ํ”„๋กœ์‹œ์ € ํ˜ธ์ถœ(RPC)์€ ์šด์˜ ์‹œ์Šคํ…œ์—์„œ ์‚ฌ์šฉ๋˜๋Š” ์ƒ์œ„ ๋ ˆ๋ฒจ ํ†ต์‹  ๋ฒ”๋ก€๋ฅผ ์ œ๊ณตํ•˜๋Š” ํ”„๋กœํ† ์ฝœ์ž…๋‹ˆ๋‹ค. RPC๋Š” ํ†ต์‹  ํ”„๋กœ๊ทธ๋žจ ๊ฐ„์— ๋ฉ”์‹œ์ง€ ๋ฐ์ดํ„ฐ๋ฅผ ์ „๋‹ฌํ•˜๊ธฐ ์œ„ํ•ด TCP/IP (Transmission Control Protocol/Intwww.ibm.comhttps://ko.wikipedia.org/wiki/%EC%9B%90%EA%B2%A9_%ED%94%84%EB%A1%9C%EC%8B%9C%EC%A0%80_%ED%98%B8%EC%B6%9C ์›๊ฒฉ ํ”„๋กœ์‹œ์ € ํ˜ธ์ถœ - ์œ„ํ‚ค๋ฐฑ๊ณผ, ์šฐ๋ฆฌ ๋ชจ๋‘์˜ ๋ฐฑ๊ณผ์‚ฌ์ „์œ„ํ‚ค๋ฐฑ๊ณผ, ์šฐ๋ฆฌ ๋ชจ๋‘์˜ ๋ฐฑ๊ณผ์‚ฌ์ „. ์›๊ฒฉ ํ”„๋กœ์‹œ์ € ..