Books: Internet and HTML

• Unix Nets and Internet:
  Liunx Network Administrator's Guide by Olaf Kirch and Terry Dawson, O'Reilly
  
  
• HTML:
  HTML & XHTML: The Definitive Guide, by Chuck Musciano and Bill Kennedy
  
  
• PHP and MySQL:
  PHP and MySQL Web Development, by Luke Welling and Laura Thomson
  
  

Online

• PHP-MySQL
• MySQL
• SelfHTML
• w3.org Tutorial
• Java Tutorial
• Java Reference