сложно понять
package com.javarush.task.task19.task1925;
/*
Длинные слова
*/
import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader bufferedReader = new BufferedReader(new FileReader(args[0]));
BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(args[1]));
List<String> words = new ArrayList<>();
while (bufferedReader.ready()) {
String tmp = bufferedReader.readLine();
String[] tmpArr = tmp.split(" ");
for (String s : tmpArr) {
if (s.length() > 6) {
words.add(s);
}
}
}
words.forEach(s -> {
if (!s.equals(words.get(words.size()-1))) {
try {
bufferedWriter.write(s + ",");
} catch (IOException e) {
e.printStackTrace();
}
} else {
try {
bufferedWriter.write(s);
} catch (IOException e) {
e.printStackTrace();
}
}
});
bufferedReader.close();
bufferedWriter.close();
}
}