Java解 | #HJ11数字颠倒#

​​数字颠倒​​

import java.util.Scanner;
public class Main {
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        while(in.hasNext()){
            String str = in.nextLine();
            StringBuffer sb = new StringBuffer(str);
            // 以上两行代码可简写为下面这行
            // StringBuffer sb = new StringBuffer(in.nextLine());
            sb.reverse();
            System.out.println(sb);
        }
    }
}