Here is an example of how RSS feeds could be displayed using a Java reader within your web page.
In this case we're displaying the content from the NASA "Breaking News" RSS feed:
Special Feature
RSS Readers can automatically detect and display when changes have been made to the news items and are often available for download free of charge.
If you are interested in dowloading an RSS reader, search for "RSS Reader" in your favorite web search tool.
The java applet reader used on this page is called RSSApplet and is available free of charge via the GNU Public License