[JAVA] 몇번째 문자열 바꾸는 기능
2019. 2. 12. 13:19
자바
StringBuilder newIdName = new StringBuilder("TISTORY"); newIdName.setCharAt(3, '*'); newIdName.setCharAt(4, '*'); newIdName.setCharAt(5, '*'); System.out.println(newIdName ); 결과값 : TIS***Y