?
package com.javarush.task.task19.task1907;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
Считаем слово
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader fileNameReader = new BufferedReader(new InputStreamReader(System.in));
String fileName = fileNameReader.readLine();
fileNameReader.close();
BufferedReader fileReader = new BufferedReader(new FileReader(fileName));
ArrayList<String> list = new ArrayList<>();
while (fileReader.ready()) {
list.add(fileReader.readLine());
}
fileReader.close();
String result = "";
int count = 0;
for (String str : list) {
String newStr = "";
for (int i = 0; i < str.length(); i++) {
if (Character.isLetter(str.charAt(i))) {
newStr += str.charAt(i);
} else {
newStr += " ";
}
}
str = newStr;
newStr = "";
}
for (String str : list) {
String[] array = str.split(" ");
for (String str2 : array) {
if (str2.equals("world")) count++;
}
}
System.out.print(count);
}
}