showing web pages on facebook

I want to develop Facebook pages and tabs like the following where i can pull data from my web 开发者_如何学JAVAsite.

http://www.facebook.com/AppStore?v=app_133863019976324&ref=ts and http://www.facebook.com/Savings?v=app_4949752878

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sign up as a Facebook developer, download the example code, read the documentation and implement the site then. Facebook make it really easy.