Не понимаю что от меня требует валидатор, помогите пожалуйта )
package com.javarush.task.task18.task1820;
/*
Округление чисел
*/
import java.io.*;
public class Solution {
public static void main(String[] args) {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String file1;
String file2;
String s;
InputStreamReader read = null;
BufferedReader br = null;
BufferedWriter bw = null;
try{
file1 = reader.readLine();
file2 = reader.readLine();
read = new InputStreamReader(new FileInputStream(file1));
bw = new BufferedWriter(new FileWriter(file2));
br = new BufferedReader(read);
while ((s = br.readLine()) !=null){
int i = (int) Math.round(Double.parseDouble(s));
bw.write(i+" ");
bw.flush();
}
}catch (IOException e){
e.printStackTrace();
}
try{
reader.close();
read.close();
br.close();
bw.close();
}catch (IOException e){
e.printStackTrace();
}
}
}