1002 写出这个数 (20 分)

import java.util.Arrays;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner cin = new Scanner(System.in);
        String s = cin.next();
        char ch[] = s.toCharArray();
        String pinyin[]={ "ling", "yi", "er", "san", "si", "wu", "liu", "qi", "ba", "jiu"};//定义查询数组
        int sum = 0;
        for (int i = 0; i < ch.length; i++) {
            sum += ch[i] - ‘0‘;  //计算各个位的数字之和
        }
        int a[]=new int [10];
        int t=0;
        while (sum!=0)
        {
            a[t] = sum % 10; //将数字之和的每一位存在数组里，注意是从个位开始的
            sum = sum / 10;
            t++;
        }
        for(int i=t-1;i>=0;i--)
        {
            System.out.print(pinyin[a[i]]);  //查询字符串数组中对应的拼音
            if(i!=0)System.out.print(" ");
        }

    }
}