题解 | 23年OPPO-a的翻转

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int a = scanner.nextInt();
        int result = reverse(a) + a ;
        System.out.println( result);
    }

    public static int reverse(int a) {
        String s = String.valueOf(a); //变成字符串
        StringBuilder sb = new StringBuilder(s);
        String s1 = sb.reverse().toString();//使用StringBuilder的reverse方法反转字符串
        int reverse = Integer.parseInt(s1);//变成整数
        return reverse;
    }
}