I am new to iPhone. I want to open an url in my application. How can I do this task? Please suggest me and provide some useful link.
Update (2016): The best way to do this nowadays is to instantiate and present an SFSafariViewController. This gives the user the security and speed of Safari, and access to any cookies or Safari features they may already have set without having to leave your app.
If you want to open the URL in Safari (and exit your application) you can use the openURL method of UIApplication
If you'd rather have it handled inside of your app, use WKWebView.