题解 | #计算某字符出现次数#

接收来的全是字符串，串全转大写，后取得目标字符，循环比较。

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) throws NumberFormatException, IOException {
		 BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		 String str = (br.readLine().trim());
		 str = str.toUpperCase();
	     String T = br.readLine().trim().toUpperCase();
	     char t = T.charAt(0);
	     int times = 0;
	     for(int i=0;i<str.length();i++) {
	    	 if(str.charAt(i)==t) times++;
	     }
	     System.out.print(times);
	}
}