Sunday, 13 April 2014

Illustration of File.renameTo() and File.delete() method



/*
     renaming and deleting the files
*/
/*
     the first command line argument should be the file name which you wish to rename
     the second command line argument should be the new file name
*/

/*
     use f.delete() method to delete the file
     if file couldnot be deleted f.delete() returns false
*/

import java.io.*;

class Main
{
     public static void main(String args[])
     {
          
           if(args.length==2)
           {              
                File f=new File(args[0]);
                if(f.renameTo(new File(args[1])))
                     System.out.println("file renamed successfully...");
                else
                     System.out.println("file could not be renamed...");
                // if the directory could not be renamed f.renameTo() returns false
           }
           else
                System.out.println("you have given wrong number of arguments at the command line !!!");       
     }
}

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