暴力解法
计算某字母出现次数
http://www.nowcoder.com/questionTerminal/a35ce98431874e3a820dbe4b2d0508b1
import java.util.*; public class Main{ public static void main(String [] args){ Scanner sc = new Scanner(System.in); String str = sc.nextLine(); String c = sc.nextLine(); String big = c.toUpperCase(); String small = c.toLowerCase(); int count = 0; for(char a : str.toCharArray()){ if(String.valueOf(a).equals(big) || String.valueOf(a).equals(small)){ count ++; } } System.out.println(count); } }