Не проходит валидацию по 4 пункту, пробовал выводить в консоль, выводит верно. Что не так?
package com.javarush.task.task18.task1823;
import java.io.*;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/*
Нити и байты
*/
public class Solution {
public static Map<String, Integer> resultMap = new HashMap<String, Integer>();
public static void main(String[] args) throws IOException {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
String file = null;
while (true) {
file = bufferedReader.readLine();
if (file.equals("exit")) {
break;
} else {
ReadThread readThread = new ReadThread(file);
readThread.start();
}
}
bufferedReader.close();
}
public static class ReadThread extends Thread {
static String fileName;
ArrayList<Integer> arrayList = new ArrayList<>();
ArrayList<Integer> arrayList2 = new ArrayList<>();
public ReadThread(String fileName) throws IOException {
this.fileName = fileName;
}
@Override
public void run() {
try {
FileReader fileReader = new FileReader(fileName);
while (fileReader.ready()) {
int a = fileReader.read();
System.out.println(a);
arrayList.add(a);
}
for (int i = 0; i < arrayList.size(); i++) {
int b = Collections.frequency(arrayList, arrayList.get(i));
arrayList2.add(b);
}
int max = Collections.max(arrayList2);
int indexOfMax = arrayList2.indexOf(max);
int maxByte = arrayList.get(indexOfMax);
synchronized (resultMap) {
resultMap.put(fileName, maxByte);
}
fileReader.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/*D:\text1.txt*/
}
}