java - how to create an empty project folder (fragment plug-in type) on eclipse programmatically -

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i need create empty folder while using postperformfinish function activated after finish button wizard, need considered empty project (fragment plug-in type).

i have tried 1 simple way have found on internet create folder seems have done mistake.

below code : 

file fragmentproject = new file(resourcesplugin.getworkspace().getroot().getlocation()+datamodelfacetcreationwizardpagefragment.fragmentprojectname);   try {     fragmentproject.createnewfile(); } catch (ioexception e1) {     // todo auto-generated catch block     e1.printstacktrace(); }


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