URL - web page location representation

Basics

• Java uses URL to provide a view of web page location.

Important constructor for creating a URL

• Suppose s is a String encoding an http specification; e.g., "http://www.cs.virginia.edu/cs101x".
  
  
• URL u = new URL( s );
  • Makes u a variable giving a URL view of the web page name.

How to set up a Scanner to read from a URL

• Suppose u is a URL.
  
  
• Scanner stream = new Scanner( u.openStream() );
  • Makes stream a variable giving a Scanner view of the URL u.