题解 | #计算某字符出现次数#

import java.util.Scanner;

/**
 * @Author: zhanghuan
 * @date: 2022/5/23 11:22
 * @description: create it
 */
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int count = 0;
        String a = sc.nextLine().toLowerCase();
        char b = sc.nextLine().toLowerCase().charAt(0);
        for (int i = 0; i < a.length(); i++) {
            if (a.charAt(i) == b) {
                count++;
            }
        }
        System.out.println(count);

    }
}