I tried a lot but it still ah mesh.
it compiles without an error and prints nothing just blank
help me to overcome this ,thanks in advance!
package com.codegym.task.task13.task1326;
/*
Sorting even numbers from a file
*/
import java.util.ArrayList;
import java.io.*;
import java.util.Collections;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.InputStream;
public class Solution {
public static void main(String[] args) throws IOException{
//write your code here
BufferedReader b = new BufferedReader(new InputStreamReader(System.in));
String ff = b.readLine();
FileInputStream f = new FileInputStream(ff);
b.close();
BufferedReader a = new BufferedReader(new InputStreamReader(f)) ;
ArrayList<Integer> l = new ArrayList<Integer>();
int d =0;
while(a.ready()){
d = a.read();
if(d%2==0)
{
l.add(d);
}
}
a.close();
f.close();
Collections.sort(l);
System.out.println(l);
}
}