Checking File Existance

import java.io.*;
class File1 
{
 public static void main(String[] args) throws IOException
 {
  BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
  System.out.println("Enter a file name");
  String s=new String(br.readLine());
  File f=new File(s);
  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");
  else if(f.isDirectory())
   System.out.println("It is a directory");
  System.out.println("The length of the file is "+f.length()+" bytes");
 }
}