> i got one code from sun java.com. about the web
> crawler which will display the link of a particular
> site. the program is running but it is not displaying
> anything. the site address is
> http://java.sun.com/developer/technicalArticles/ThirdP
> arty/WebCrawler/
What do you mean displaying? Are you looking for a web browser, perhaps?
You know a crawler and a browser are two different things, yes?
The article you posted is rather old (1998), I suggest reading something more recently published.
Good luck.