if (Arrays.asList("1", "2", "6", "7", "10").contains(crchTp)) { switch (crchTp) { case "1": case "2": case "6": case "7": case "10": contractMngService.updateCrItems(); break; }} ํน์ ๊ฐ ๋ฐฐ์ด์ ํฌํจ๋๋์ง๋ฅผ ์ฒดํฌํ๊ณ ์ถ๋ค๋ฉด,Java์์๋ ์ผ๋ฐ์ ์ผ๋ก Arrays.asList()์ contains()๋ฅผ ํจ๊ป ์ฌ์ฉํ๋ ๋ฐฉ์์ด ๊ฐ์ฅ ๊น๋ํฉ๋๋ค.