help me please;)
package zh.codegym.task.task10.task1012;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.*;
/*
字母数
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
// 字母
CharSequence chars2 = "abcdefghijklmnopqrstuvwxyz";
char[] abcArray = "abcdefghijklmnopqrstuvwxyz".toCharArray();
ArrayList<Character> alphabet = new ArrayList<>();
for (char letter : abcArray) {
alphabet.add(letter);
}
// 读取字符串
ArrayList<String> list = new ArrayList<>();
for (int i = 0; i < 10; i++) {
String s = reader.readLine();
list.add(s.toLowerCase());
}
// 在此编写你的代码
String match = "";
int count ;
for(int i = 0; i < 26; i++){
count = 0;
match = String.valueOf(abcArray[i]);
for(String str : list){
if(str.contains(match)){
count++;
}
}
System.out.println(abcArray[i] + " " + count);
}
}
}