题解 | #计算某字符出现次数#

import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        String str = in.nextLine();
        String s = in.nextLine();
        int count = 0;
        for(int i = 0; i < str.length(); i++){
            if(s.toLowerCase().charAt(0) == str.toLowerCase().charAt(i)){
                count++;
            }
        }
        System.out.println(count);
    }
}