MouseBall54

Mechanical engineering background, now working in computer vision and AI.

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Java โ€œError: โ€˜;โ€™ expectedโ€ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•

2 minute read

Java์—์„œ โ€œโ€™;โ€™ expectedโ€๋Š” ๋ฌธ์žฅ์˜ ๋์„ ๋‚˜ํƒ€๋‚ด๋Š” ์„ธ๋ฏธ์ฝœ๋ก ์ด ๋ˆ„๋ฝ๋˜์—ˆ์„ ๋•Œ ๋ฐœ์ƒํ•˜๋Š” ๊ธฐ๋ณธ์ ์ธ ์ปดํŒŒ์ผ ์˜ค๋ฅ˜์ž…๋‹ˆ๋‹ค. ์ด ๊ธ€์—์„œ๋Š” ์˜ค๋ฅ˜์˜ ์›์ธ๊ณผ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์„ ์•Œ์•„๋ด…๋‹ˆ๋‹ค.

์ž๋ฐ” Error: a public class โ€ฆ must be defined in a file called โ€ฆ .java ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•

2 minute read

์ž๋ฐ”์—์„œ public ํด๋ž˜์Šค์˜ ์ด๋ฆ„๊ณผ .java ํŒŒ์ผ์˜ ์ด๋ฆ„์ด ์ผ์น˜ํ•˜์ง€ ์•Š์„ ๋•Œ ๋ฐœ์ƒํ•˜๋Š” ์ปดํŒŒ์ผ ์˜ค๋ฅ˜์˜ ์›์ธ๊ณผ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์„ ์•Œ์•„๋ด…๋‹ˆ๋‹ค.

Java โ€œError: a public class โ€ฆ must be defined in a file called โ€ฆ .javaโ€ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•

2 minute read

Java์—์„œ ์ด ์ปดํŒŒ์ผ ์˜ค๋ฅ˜๋Š” public ํด๋ž˜์Šค์˜ ์ด๋ฆ„๊ณผ ์†Œ์Šค ํŒŒ์ผ์˜ ์ด๋ฆ„์ด ์ผ์น˜ํ•˜์ง€ ์•Š์„ ๋•Œ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค. ์ด ๊ธ€์—์„œ๋Š” ์˜ค๋ฅ˜์˜ ์›์ธ๊ณผ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์„ ์•Œ์•„๋ด…๋‹ˆ๋‹ค.

Java โ€œError: incompatible typesโ€ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•

3 minute read

Java์—์„œ โ€œincompatible typesโ€ ์˜ค๋ฅ˜๋Š” ์„œ๋กœ ํ˜ธํ™˜๋˜์ง€ ์•Š๋Š” ํƒ€์ž…์˜ ๊ฐ’์„ ๋ณ€์ˆ˜์— ํ• ๋‹นํ•˜๊ฑฐ๋‚˜ ๋ฉ”์„œ๋“œ์— ์ „๋‹ฌํ•˜๋ ค๊ณ  ํ•  ๋•Œ ๋ฐœ์ƒํ•˜๋Š” ์ปดํŒŒ์ผ ์˜ค๋ฅ˜์ž…๋‹ˆ๋‹ค. ์ด ๊ธ€์—์„œ๋Š” ์›์ธ๊ณผ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์„ ์•Œ์•„๋ด…๋‹ˆ๋‹ค.

Java โ€œError: cannot find symbolโ€ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•

2 minute read

Java์—์„œ โ€œcannot find symbolโ€์€ ์ปดํŒŒ์ผ๋Ÿฌ๊ฐ€ ์ฝ”๋“œ์—์„œ ์‚ฌ์šฉ๋œ ์‹๋ณ„์ž(๋ณ€์ˆ˜, ๋ฉ”์„œ๋“œ, ํด๋ž˜์Šค ๋“ฑ)๋ฅผ ์ฐพ์„ ์ˆ˜ ์—†์„ ๋•Œ ๋ฐœ์ƒํ•˜๋Š” ๋งค์šฐ ํ”ํ•œ ์ปดํŒŒ์ผ ์˜ค๋ฅ˜์ž…๋‹ˆ๋‹ค. ์ด ๊ธ€์—์„œ๋Š” ์›์ธ๊ณผ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์„ ์•Œ์•„๋ด…๋‹ˆ๋‹ค.