import java.io.*;
class FileInformation
{
    public static void main(String[] args) throws IOException
    {
        File f=new File("Demo.txt");
        if(f.exists())
        {
            System.out.println("file exists");
        }
        if(f.canRead())
        {
            System.out.println("File is readable");
        }
        if(f.canWrite())
        {
            System.out.println("File is writable");
        }
        if(f.isFile())
        {
            System.out.println("It is a file");
        }
        long fl=f.length();
        System.out.println("The length of the file is "+fl+" bytes");
    }
}