Не проходит ни как.....
package com.javarush.task.task19.task1925;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
/*
Длинные слова
*/
public class Solution {
public static void main(String[] args) throws IOException {
FileReader reader = new FileReader(args[0]);
FileWriter writer = new FileWriter(args[1]);
BufferedReader br = new BufferedReader(reader);
String s = "";
String b = "";
while(br.ready()){
s += br.readLine() + " ";
}
String[] a = s.split(" ");
for(int i =0; i<a.length;i++){
if(a[i].length()>6){
b += a[i] + " ";
}
b = b.trim();
b = b.replaceAll(" ",",");
writer.write(b);
}
reader.close();
writer.close();
br.close();
}
}