[Java] 단어 거꾸로 출력하기 (StringBuilder)

import java.util.*;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);

		int num = scan.nextInt();		

		for (int i = 0; i < num; i++) {
			StringBuilder sb = new StringBuilder(scan.next());
			System.out.println(sb.reverse().toString());
		}
		
		scan.close();
		
	}
}

* StringBuilder.reverse()