Помогите, а?) 4 пункт
package com.javarush.task.task19.task1925;
import java.util.*;
import java.io.*;
import java.text.*;
/*
Слова с цифрами
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader bufferedReader = new BufferedReader(new FileReader(args[0]));
String stroka;
BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(args[1]));
String toWrite="";
while ((stroka = bufferedReader.readLine()) != null) {
String[] splinter = stroka.trim().split(",");
for (int i = 0; i < splinter.length; i++) {
if (splinter[i].length()>6) {
toWrite = toWrite+splinter[i]+",";
}
}
}
toWrite = toWrite.substring(1);
if (toWrite.endsWith(",")){
toWrite = toWrite.substring(0,toWrite.length()-1);
}
while(toWrite.startsWith(" ")){
toWrite = toWrite.substring(1);
}
bufferedWriter.write(toWrite);
bufferedReader.close();
bufferedWriter.close();
}
}