public static  void mkdir(String mkdirName)
    {
        try
        {
            File  dirFile = new File(mkdirName);     //mkdirName: path of folder
            boolean bFile   = dirFile.exists();
            if( bFile == true )
            {
               System.out.println("The folder exists.");
            }
            else
            {
               System.out.println("The folder do  not exist,now trying to create a one...");

               bFile = dirFile.mkdir();
               if( bFile == true )
               {
                  System.out.println("Create successfully!");
                  System.out.println("Create the folder");
               }
               else
               {
                   System.out.println("Disable to make the folder,please check the disk is full or not.");
                   System.out.println(" Create folder Failed. Make sure enough space");
//                   System.exit(1);
               }
            }
        }
        catch(Exception err)
        {
            System.err.println("ELS - Chart : error");
            err.printStackTrace();
        }
    }