help appriciated
package com.codegym.task.task13.task1326;
/*
Sorting even numbers from a file
*/
import java.io.*;
import java.util.ArrayList;
import java.util.Collections;
public class Solution {
public static void main(String[] args) throws Exception{
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String filename = reader.readLine();
FileInputStream FIS = new FileInputStream(filename);
BufferedReader fileInputStream = new BufferedReader(new InputStreamReader(FIS));
ArrayList<Integer> list = new ArrayList<Integer>();
try {
while (FIS.available() > 0) {
int i = Integer.parseInt(fileInputStream.readLine());
list.add(i);
}
reader.close();
fileInputStream.close();
}
catch (IOException e){ }
Collections.sort(list);
for (int x : list){
if (x%2==0)
System.out.println(x);
}
//write your code here
}
}