pls clear me out of this!
package com.codegym.task.task18.task1820;
import java.io.*;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.BufferedReader;
import java.lang.Math;
/*
Rounding numbers
*/
public class Solution {
public static void main(String[] args)throws IOException {
BufferedReader b = new BufferedReader(new InputStreamReader(System.in));
FileInputStream f1 = new FileInputStream(b.readLine());
FileOutputStream f2 = new FileOutputStream(b.readLine());
System.out.println("hi");
String d ="";
while(f1.available()>0){
d=d +(char) f1.read();
}
String[] s = d.split(" ");
for(int i =0; i<s.length;i++){
double r = Math.round(Double.parseDouble(s[i]));
String h = Double.toString(r)+" ";
byte[] byt = h.getBytes();
f2.write(byt);
}
f1.close();
f2.close();
}
}