title: How to use a "URL" variable to load a webview ? Not using "string" variable
body: <p>these is how to give a string as argument </p>
  
  <p>String link ="http://www.adobe.com/devnet/acrobat/pdfs/pdf_open_parameters.pdf";
  webview.loadUrl(link);</p>
  
  <p>but how to give an "URL" variable to load its content to webview</p>
  
  <p>I am new to android please help.</p>