Creating a new Directory using File.mkdir() method in java

/*

     making a directory using the File class

     mkdir() returns true if directory is successfully created

     it returns false if directory was not created successfully

    

     what if the directory name that you specified already exists??

     and you didnt checked this in the if statement as given below?

    

     if the directory specified already exists then the f.mkdir() method will return false;

*/  

import java.io.*;

class Main

{

     public static void main(String args[])

     {

          

           if(args.length==1)

           {              

                File f=new File(args[0]);

                //System.out.println(f.mkdir());

               

                if(!f.exists())

                {

                     if(f.mkdir())

                           System.out.println("Directory you specified was created successfully...");

                     else

                           System.out.println("Directory you specified was not created !!!")

                }

                else

                     System.out.println("the directory you specified already exists !!!");

               

           }

           else

                System.out.println("you have given wrong number of arguments at the command line !!!");

     }

}