All the following relates to this Java program, except:

import java.io$.$File;

import java.io$.$IOException;

public class CreateFile $\{$

public static void main$($String$[]$ args$)\{$

File myObj $=$ new File$("$C:$\backslash \backslash$ptuk$\backslash$

tprog.txt$")$;

if $($myObj$.$createNewFile$())\{$

System.out.println$("$File created: $"+$ myObj.getName$())$;

$\}$ else $\{$

System.out.println$("$File already exists."$)$;

$\}$

$\}$

Select one or more:

a$.$ The folder ptuk should exist

b$.$ None of the mentioned

c$.$ There is no need for the ptuk folder to exist

d$.$ Add throws declaration or Surround with try$-$catch block