item 43 - JAVA-JIKIMI/EFFECTIVE-JAVA3 GitHub Wiki [item 43] ๋๋ค๋ณด๋ค๋ ๋ฉ์๋ ์ฐธ์กฐ๋ฅผ ์ฌ์ฉํ๋ผ @JungHyunLyoo [item 43] ๋๋ค๋ณด๋ค๋ ๋ฉ์๋ ์ฐธ์กฐ๋ฅผ ์ฌ์ฉํ๋ผ @leekyunghee