โ ํน์ ๋ฌธ์์ด ๊ฒ์ํ๊ธฐ -contains -indexOf String testStr = "๋ํด๋ฌผ๊ณผ ๋ฐฑ๋์ฐ์ด"; System.out.println( "contains ๋ํด : " + testStr.contains("๋ํด") ); System.out.println( "contains ์ํด : " + testStr.contains("์ํด") ); System.out.println( "indexOf ๋ํด : " + testStr.indexOf("๋ํด") ); System.out.println( "indexOf ์ํด : " + testStr.indexOf("์ํด") );
