๊ตฌ๋ฌธ ์—๋Ÿฌ, ๋…ผ๋ฆฌ ์—๋Ÿฌ, ๋Ÿฐํƒ€์ž„ ์—๋Ÿฌ

2023. 2. 13. 22:47ยท ๐Ÿ“š ์—ฐ์žฌ ์‹œ๋ฆฌ์ฆˆ/์ฃผ๋‹ˆ์–ด ๊ฐœ๋ฐœ์ž๊ฐ€ ์•Œ๋ฉด ์ข‹์„ ๋‚ด์šฉ
๋ชฉ์ฐจ
  1. ๊ตฌ๋ฌธ ์—๋Ÿฌ (Syntax Error)
  2. ๋…ผ๋ฆฌ ์—๋Ÿฌ (Semantic Error / Logical Error)
  3. ๋Ÿฐํƒ€์ž„ ์—๋Ÿฌ (Runtime Error)

๊ตฌ๋ฌธ ์—๋Ÿฌ (Syntax Error)

ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์–ธ์–ด ๋ฌธ๋ฒ•์— ์–ด๊ธ‹๋‚˜๋Š” ๋ฌธ์žฅ ๋•Œ๋ฌธ์— ๋ฐœ์ƒํ•˜๋Š” ์˜ค๋ฅ˜๋ฅผ โ€œSyntax Errorโ€๋ผ๊ณ  ํ•œ๋‹ค.

 

์ฃผ๋กœ ์„ธ๋ฏธ์ฝœ๋ก ์ด ์•„๋‹Œ ์ฝœ๋ก ์„ ์‚ฌ์šฉํ•œ๋‹ค๊ฑฐ๋‚˜ {} ์ค‘๊ด„ํ˜ธ๊ฐ€ ์ž˜๋ชป ๋„ฃ์–ด์ ธ์žˆ๋‹ค๊ฑฐ๋‚˜ ๋“ฑ ๋‹ค์–‘ํ•œ ๊ฒฝ์šฐ๊ฐ€ ์žˆ์ง€๋งŒ IDE์—์„œ ์ž๋™์ ์œผ๋กœ ํ•ด๋‹น ๊ตฌ๋ฌธ ์˜ค๋ฅ˜๋ฅผ ์žก์•„์ฃผ๊ธฐ ๋•Œ๋ฌธ์— (๋นจ๊ฐ„ ๋ฐ‘์ค„!!) ํฌ๊ฒŒ ๋ฌธ์ œ๋˜๋Š” ๋ถ€๋ถ„์€ ์—†๋‹ค.

 

๋ฌผ๋ก  IDE๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š๊ณ  ์ฝ”๋”ฉ์„ ํ•ด๋„ ์ปดํŒŒ์ผ ๊ณผ์ •์—์„œ ์ „๋ถ€ ๊ฒ€์ถœ๋˜๊ธฐ ๋•Œ๋ฌธ์— ๋ฌธ๋ฒ•์ด ํ•˜๋‚˜๋ผ๋„ ํ‹€๋ ธ๋‹ค๋ฉด ํ”„๋กœ๊ทธ๋žจ์ด ์ •์ƒ์ ์œผ๋กœ ์ปดํŒŒ์ผ๋˜์ง€ ์•Š๋Š”๋‹ค.

 


๋…ผ๋ฆฌ ์—๋Ÿฌ (Semantic Error / Logical Error)

๋ฌธ๋ฒ•์  ์˜ค๋ฅ˜๊ฐ€ ์•„๋‹ˆ๋ฉฐ ์ปดํŒŒ์ผ ๋ฐ ์‹คํ–‰๋„ ์ •์ƒ์ ์œผ๋กœ ์ง„ํ–‰๋˜์ง€๋งŒ ๊ฐœ๋ฐœ์ž๊ฐ€ ์˜๋„ํ•œ ๋Œ€๋กœ ์‹คํ–‰๋˜์ง€ ์•Š๋Š” ํ”„๋กœ๊ทธ๋žจ ๋กœ์ง ์ƒ์˜ ๋…ผ๋ฆฌ์ ์ธ ์˜ค๋ฅ˜์ด๋‹ค.

int a = 3, b = 9;
int avg = a + b / 2;     // int avg = (a + b) / 2;

 


๋Ÿฐํƒ€์ž„ ์—๋Ÿฌ (Runtime Error)

ํ”„๋กœ๊ทธ๋žจ ์‹คํ–‰ ๋„์ค‘์— (Run-time), ํ”„๋กœ๊ทธ๋žจ์ด ์ข…๋ฃŒ๋  ์ •๋„๋กœ ์น˜๋ช…์ ์ธ ์˜ค๋ฅ˜์ด๋‹ค.

 

๋ณดํ†ต ๋ฉ”๋ชจ๋ฆฌ์˜ OS ์˜์—ญ์„ ๊ฑด๋“œ๋ฆด ๋•Œ ๋ฐœ์ƒํ•˜๋ฉฐ, ํ”ํžˆ ๋ณผ ์ˆ˜ ์žˆ๋Š” ๊ฒƒ์œผ๋กœ๋Š” Null-Pointer Exception์ด๊ณ  ํ”„๋กœ๊ทธ๋ž˜๋ฐ ์–ธ์–ด ๋ฌธ๋ฒ•์˜ ์˜ˆ์™ธ ์ฒ˜๋ฆฌ๋ฅผ ํ†ตํ•ด ์ฒ˜๋ฆฌํ•  ์ˆ˜ ์žˆ๋‹ค.

 

 

 

๐Ÿ”  ๊ตฌ๋ฌธ ์—๋Ÿฌ, ๋…ผ๋ฆฌ ์—๋Ÿฌ, ๋Ÿฐํƒ€์ž„ ์—๋Ÿฌ ์ค‘ ์–ด๋–ค ๊ฒƒ์ด ๊ฐ€์žฅ ๊ณจ์น˜์•„ํ”ˆ๊ฐ€์š”?

 

๐Ÿ‘‰  ๋‹จ์—ฐ์ฝ” ๋…ผ๋ฆฌ ์—๋Ÿฌ (Semantic Error / Logical Error) ์ž…๋‹ˆ๋‹ค!

 

๐Ÿ‘‰  ๊ตฌ๋ฌธ ์—๋Ÿฌ (Syntax Error) ๋ฐ ๋Ÿฐํƒ€์ž„ ์—๋Ÿฌ (Run-time Error)๋Š” IDE ๋ฌธ๋ฒ• ๊ฒ€์‚ฌ ๋˜๋Š” ํ…Œ์ŠคํŠธ๋ฅผ ํ†ตํ•ด ๋ฐœ๊ฒฌํ•  ์ˆ˜ ์žˆ์ง€๋งŒ ๋…ผ๋ฆฌ ์—๋Ÿฌ๋Š” ์ปดํŒŒ์ผ๋„ ๋ฌด์‚ฌํ†ต๊ณผํ•˜๊ณ  ์‹คํ–‰๋„ ๋ฌธ์ œ์—†์ด ๋˜์ง€๋งŒ ํ”„๋กœ๊ทธ๋ž˜๋จธ๊ฐ€ ์˜๋„ํ•œ ๋Œ€๋กœ ์‹คํ–‰๋˜์ง€ ์•Š๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค!

 

 

๋ฐ˜์‘ํ˜•

'๐Ÿ“š ์—ฐ์žฌ ์‹œ๋ฆฌ์ฆˆ > ์ฃผ๋‹ˆ์–ด ๊ฐœ๋ฐœ์ž๊ฐ€ ์•Œ๋ฉด ์ข‹์„ ๋‚ด์šฉ' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

๋ฉ€ํ‹ฐ ์Šค๋ ˆ๋“œ - ์›์ž์„ฑ (Atomicity)  (0) 2023.05.03
๋ฉ€ํ‹ฐ ์Šค๋ ˆ๋“œ - ๊ฐ€์‹œ์„ฑ (Visibility)  (0) 2023.05.03
๋™์‹œ์„ฑ (Concurrency) ๋ฐ ๋ณ‘๋ ฌ์„ฑ (Parallelism)  (0) 2023.05.02
์ฝ”๋“œ ์ปจ๋ฒค์…˜ (Code Convention)  (2) 2023.03.08
๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ, API, SDK, Framework  (0) 2023.01.17
  1. ๊ตฌ๋ฌธ ์—๋Ÿฌ (Syntax Error)
  2. ๋…ผ๋ฆฌ ์—๋Ÿฌ (Semantic Error / Logical Error)
  3. ๋Ÿฐํƒ€์ž„ ์—๋Ÿฌ (Runtime Error)
'๐Ÿ“š ์—ฐ์žฌ ์‹œ๋ฆฌ์ฆˆ/์ฃผ๋‹ˆ์–ด ๊ฐœ๋ฐœ์ž๊ฐ€ ์•Œ๋ฉด ์ข‹์„ ๋‚ด์šฉ' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
  • ๋ฉ€ํ‹ฐ ์Šค๋ ˆ๋“œ - ๊ฐ€์‹œ์„ฑ (Visibility)
  • ๋™์‹œ์„ฑ (Concurrency) ๋ฐ ๋ณ‘๋ ฌ์„ฑ (Parallelism)
  • ์ฝ”๋“œ ์ปจ๋ฒค์…˜ (Code Convention)
  • ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ, API, SDK, Framework
KR_DEV
KR_DEV
๊ณต๋ถ€์šฉ ๋ธ”๋กœ๊ทธ์ž…๋‹ˆ๋‹ค. :)
๋ฐ˜์‘ํ˜•
KR_DEV
All about IT
KR_DEV
์ „์ฒด
์˜ค๋Š˜
์–ด์ œ
  • ์ „์ฒด (139)
    • ๐Ÿ“š ์—ฐ์žฌ ์‹œ๋ฆฌ์ฆˆ (19)
      • ์ฃผ๋‹ˆ์–ด ๊ฐœ๋ฐœ์ž๊ฐ€ ์•Œ๋ฉด ์ข‹์„ ๋‚ด์šฉ (11)
      • ์ž์ฃผ ์“ฐ์ด๋Š” IT ์šฉ์–ด ์ •๋ฆฌ (6)
      • ์žก๋‹คํ•œ IT ์ •๋ณด (2)
    • ๐ŸŽฎ Toy Project (1)
    • ๐Ÿ’ฏ Coding Test (35)
      • ์•Œ๊ณ ๋ฆฌ์ฆ˜ ํ…Œ์ŠคํŠธ (14)
      • SQL ํ…Œ์ŠคํŠธ (21)
    • ๐Ÿ’ป Computer Science (14)
      • Hardware (4)
      • Operating System (3)
      • Network (4)
      • Database (3)
      • Data Structures (0)
      • Algorithms (0)
    • ๐ŸŒ Front End (0)
      • HTML5 (0)
      • CSS3 (0)
    • ๐Ÿ‘จโ€๐Ÿ’ป Back End (30)
      • Spring (5)
      • MySQL (12)
      • Redis (3)
      • OOP (0)
      • Design Pattern (0)
      • HTTP (2)
      • Servlet (1)
      • JDBC (7)
      • MSA (0)
    • ๐Ÿ› ๏ธ Devops (12)
      • HAProxy (1)
      • Linux (6)
      • Virtual Machine (4)
      • Container (0)
      • Ansible (1)
    • ๐Ÿง Programming (20)
      • Java (10)
      • Python (10)
    • ๐ŸŒฅ๏ธ Cloud (2)
      • AWS (1)
      • Oracle Cloud (0)
    • ๐Ÿ’พ Storage (5)
      • MiniO (3)
    • ๐Ÿ” Security & Hacking (1)

๋ธ”๋กœ๊ทธ ๋ฉ”๋‰ด

  • ํ™ˆ
  • ๋ฐฉ๋ช…๋ก

๊ณต์ง€์‚ฌํ•ญ

  • ๊ตฌ๊ธ€ ์• ๋“œ์„ผ์Šค ํ†ต๊ณผํ–ˆ๋„ค์š” !!!
  • ์•ˆ๋…•ํ•˜์„ธ์š”.

์ธ๊ธฐ ๊ธ€

hELLO ยท Designed By ์ •์ƒ์šฐ.v4.2.2
KR_DEV
๊ตฌ๋ฌธ ์—๋Ÿฌ, ๋…ผ๋ฆฌ ์—๋Ÿฌ, ๋Ÿฐํƒ€์ž„ ์—๋Ÿฌ
์ƒ๋‹จ์œผ๋กœ

ํ‹ฐ์Šคํ† ๋ฆฌํˆด๋ฐ”

๊ฐœ์ธ์ •๋ณด

  • ํ‹ฐ์Šคํ† ๋ฆฌ ํ™ˆ
  • ํฌ๋Ÿผ
  • ๋กœ๊ทธ์ธ

๋‹จ์ถ•ํ‚ค

๋‚ด ๋ธ”๋กœ๊ทธ

๋‚ด ๋ธ”๋กœ๊ทธ - ๊ด€๋ฆฌ์ž ํ™ˆ ์ „ํ™˜
Q
Q
์ƒˆ ๊ธ€ ์“ฐ๊ธฐ
W
W

๋ธ”๋กœ๊ทธ ๊ฒŒ์‹œ๊ธ€

๊ธ€ ์ˆ˜์ • (๊ถŒํ•œ ์žˆ๋Š” ๊ฒฝ์šฐ)
E
E
๋Œ“๊ธ€ ์˜์—ญ์œผ๋กœ ์ด๋™
C
C

๋ชจ๋“  ์˜์—ญ

์ด ํŽ˜์ด์ง€์˜ URL ๋ณต์‚ฌ
S
S
๋งจ ์œ„๋กœ ์ด๋™
T
T
ํ‹ฐ์Šคํ† ๋ฆฌ ํ™ˆ ์ด๋™
H
H
๋‹จ์ถ•ํ‚ค ์•ˆ๋‚ด
Shift + /
โ‡ง + /

* ๋‹จ์ถ•ํ‚ค๋Š” ํ•œ๊ธ€/์˜๋ฌธ ๋Œ€์†Œ๋ฌธ์ž๋กœ ์ด์šฉ ๊ฐ€๋Šฅํ•˜๋ฉฐ, ํ‹ฐ์Šคํ† ๋ฆฌ ๊ธฐ๋ณธ ๋„๋ฉ”์ธ์—์„œ๋งŒ ๋™์ž‘ํ•ฉ๋‹ˆ๋‹ค.