[SW Expert Academy] 2357번 September 9

문제

It is September 9 in Japan now.

You are given a two-digit integer N. Answer the question: Is 9 contained in the decimal notation of N?

 

입력

The first line of the input contains an integer T, the number of test sets (1 ≤ T ≤ 90).
The first line of each test case contains N (10 ≤ N ≤ 99).

3 29 72 91

 

출력

For each test case, print “#T”(test case number), and if 9 is contained in the decimal notation of N, "Yes", if not, "No".

#1 Yes #2 No #3 Yes

 

코드

import java.util.Scanner;
 
class Solution
{
    public static void main(String args[]) throws Exception
    {
        Scanner sc = new Scanner(System.in);
        int t = sc.nextInt();
         
        for(int i=0; i<t; i++){
            int num = sc.nextInt();
            boolean check = checkNine(num);
            System.out.printf("#%d %s\n",i+1,(check)?"Yes":"No");
        }
    }
    private static boolean checkNine(int num){
        while(num>0){
            if(num%10==9) return true;
            num/=10;
        }
        return false;
    }
}