题解 | #数字颠倒#妙用StringBuilder
数字颠倒
http://www.nowcoder.com/practice/ae809795fca34687a48b172186e3dafe
import java.util.*;
public class Main{
public static void main(String[] args){
Scanner sc=new Scanner(System.in);
String s=sc.nextLine();
StringBuilder sb=new StringBuilder(s);
System.out.println(sb.reverse().toString());
}
}