Tutorial week 7

1. Get information about some url's such as HTML documents, GIF images, etc
2. Write a toy HTTP server that will read "GET url" requests from a client, and send back a plain text document with the url string as content
3. Make the toy server more realistic by reading the url document from local store and sending it back to the client (assume e.g. it is an HTML document)
4. Fetch and display a GIF image in a JLabel (if you know Swing)
5. Fetch and display an HTML document in a JEditorPane (if you know Swing)