Валидатор не принимает
package com.javarush.task.task19.task1907;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
/*
Считаем слово
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String fileName = reader.readLine();
reader.close();
BufferedReader file = new BufferedReader(new FileReader(fileName));
int count =0;
while(file.ready()) {
String[] line = file.readLine().split("\\p{P}\\s");
for(int i =0; i<line.length; i++) {
if(line[i].equals("world")) count++;
}
}
System.out.println(count);
file.close();
}
}