Что не так, подскажите, пожалуйста?
package com.javarush.task.task19.task1923;
import java.io.BufferedReader;
import java.io.*;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.*;
/*
Слова с цифрами
*/
public class Solution {
public static void main(String[] args) throws Exception {
try (BufferedReader fileReader = new BufferedReader(new FileReader(args[0]));
FileWriter fileWriter = new FileWriter(args[1], true)) {
String words = "";
while (fileReader.ready()) {
words += fileReader.read();
}
String[] wordArr = words.split(" ");
//String patLet = "[:alpha:]+";
String patLaN = ".+\\d.+";
//String toFile = "";
for (String word : wordArr) {
if (word.matches(patLaN)) {
fileWriter.write(word + " ");
}
}
}
}
}