// 가운데 글자 가져오기 - 연습문제
public class CenterStr {
public String solution(String s) {
return (s.length() % 2 == 1) ? s.substring(s.length() / 2, s.length() / 2 + 1)
: s.substring(s.length() / 2 - 1, s.length() / 2 + 1);
}
public static void main(String[] args) {
CenterStr s = new CenterStr();
System.out.println(s.solution("hello"));
System.out.println(s.solution("helloworld"));
}
}