Почему не проходит? Поток вроде закрыт, а говорит не закрыт(
package com.javarush.task.task18.task1801;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/*
Максимальный байт
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader buff = new BufferedReader(new InputStreamReader(System.in));
String name = buff.readLine();
FileInputStream fileInputStream = new FileInputStream(name);
ArrayList<Integer> bytes = new ArrayList<Integer>();
while (fileInputStream.available() > 0) {
bytes.add(fileInputStream.read());
}
System.out.println(Collections.max(bytes));
fileInputStream.close();
}
}