Перезалил код
package com.javarush.task.task18.task1823;
import java.io.*;
import java.util.HashMap;
import java.util.Map;
import java.util.TreeMap;
/*
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 rd = new BufferedReader(new InputStreamReader(System.in));
while (true) {
String row = rd.readLine();
if (row.equals("exit")) {
break;
} else {
ReadThread rt = new ReadThread(row);
rt.start();
}
}
rd.close();
}
public static class ReadThread extends Thread {
private String fileName;
@Override
public void run() {
try {
synchronized (resultMap) {
TreeMap<Integer, Integer> map = new TreeMap<Integer, Integer>();
FileInputStream inputStream = new FileInputStream(fileName);
while (inputStream.available() > 0) {
int data = inputStream.read();
if (!map.containsKey(data)) {
map.put(data, 1);
} else {
int value = map.get(data);
map.replace(data, ++value);
}
}
int maxValue = map.firstEntry().getValue();
int maxKey = map.get(map.firstKey());
for (Map.Entry<Integer, Integer> pair : map.entrySet()) {
if (maxValue < pair.getValue()) {
maxValue = pair.getValue();
maxKey = pair.getKey();
}
}
resultMap.put(fileName, maxKey);
inputStream.close();
}
}
catch (Exception e) {
}
}
public ReadThread(String fileName) {
this.fileName = fileName;
}
}
}