import java.io.*;
import javax.swing.*;

class ReadDataFile2
{
    public static void main(String[] args)  throws IOException
    {
        String fname = JOptionPane.showInputDialog(null,"Enter file name");
        File myFile = new File(fname);
        FileInputStream myStream = new FileInputStream(myFile);
        DataInputStream myDataStream = new DataInputStream(myStream);
        int n = (int) myFile.length(); 
        n = n/8;
        for (int i=0;i<n;i++) 
         {
           double x = myDataStream.readDouble();
           System.out.println(x + " " );
         }
        myStream.close();
        System.exit(0);
    }
}