Illustration of listFiles() and list() method of File Class in java

/*

     illustration of f.listFiles() method and

                           f.list() method

*/  

import java.io.*;

class Main

{

     public static void main(String args[])

     {

          

           if(args.length==1)

           {              

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

                if(f.exists())

                {

                     String[]str=f.list();

                     File farr[]=f.listFiles();

                     for(int i=0;i<str.length;i++)

                     {

                           System.out.println(farr[i].getName()); // statement A

                           System.out.println(str[i]);                     // statement B

                          

                           //Statement A and Statement B will print the same thing

                           //System.out.println(farr[i].isFile());

                     }

                }

                else

                     System.out.println("the directory you specified does not exists !!!");

           }

           else

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

     }

}