• Java® 2 standard edition version 1.3.1 downloads.
• Sun's Java documentation (jdk 1.3.1).
• Companionweb-site for the Java textbook. Has links to interactive quizzes for each chapter of the book.
• Corrections of errors in the textbook.
• Sun's Java tutorial.
• Usenet newsgroups:
  • comp.lang.java.* (the * is a wild card that matches any characters. There are 16 different Java related newsgroups under the comp.lang.java hierarchy).
  • sci.med.informatics.
• W3 School SQL Quiz