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โš ๏ธ ๋ฌธ์ œ์ดํด๋ฆฝ์Šค Problems ํƒญ์— ์—๋Ÿฌ ๋œธJava complier level does not match the version of the installed Java project facet. ํ•ด์„์ž๋ฐ” ์ปดํŒŒ์ผ๋Ÿฌ ๋ฒ„์ „์ด ์ง€๊ธˆ ๊น”๋ฆฐ ์ž๋ฐ” ํ”„๋กœ์ ํŠธ์˜ ๋ฒ„์ „์ด๋ž‘ ๋งž์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ๐Ÿง ์›์ธ๋ฉฐ์น  ์ „์— ์ตœ์‹  ๋ฒ„์ „ ์ดํด๋ฆฝ์Šค๋ฅผ ๋‹ค์šด ๋ฐ›์•˜๊ณ  ๊ทธ์— ๋งž๊ฒŒ JDK๋„ ์ตœ์‹  ๋ฒ„์ „์ธ `JDK23`์„ ๋‹ค์šด๋ฐ›์•„ ์ฃผ์—ˆ๋‹ค.๊ทธ๋Ÿฐ๋ฐ ํ”„๋กœ์ ํŠธ ์šฐํด๋ฆญ > `Properties` > `Java Complier` ํƒญ์— ์ปดํŒŒ์ผ๋Ÿฌ๊ฐ€ 22๊นŒ์ง€๋ฐ–์— ์•ˆ ๋œฌ๋‹ค. ํ˜ธํ™˜๋˜๋Š”๊ฑด 23๊ฐ™์€๋ฐ...? JDK ์—ฐ๊ฒฐ์ด ์ œ๋Œ€๋กœ ์•ˆ ๋ฌ๋‚˜ ์‹ถ์–ด์„œ `Preferences` > `Java Build Path` > `Libraries` > JRE System Library์— ๋“ค์–ด๊ฐ€..
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