• Bruce Eckel's Thinking in Java
• Java Tutorial from Sun
• Java Language Specification
• The Java virtual machine specifications
• How to write Java code - Code convention from Sun
• Java look and feel design guidelines
• Java 1.2 unleashed
• Introduction to Java Programming
• Specifications of Inner classes
• Java expert solutions
• Tutorials from IBM
• Developing Intranet applications with Java
• Tricks of Java Programming Gurus
• List of free Java books
• Shahir Shah's homepage

Java Mock Tests And Exam Resources:

• Java mock exam by Ashok Kumar Gupta
• Khalid Mughal's PGJC exam engine
• Marcus Green's exam
• Bill Brogdens test
• Valentine C's Mock test
• Dan Chisholm's exam
• Sample test from Sun Microsystems
• JDCert
• Javaranch Rules round up
• Anil Bachi's test
• John hunt's mock exam
• Sun Guru's mock exam
• Applied Reasoning - Chris Grindstaff's mock exam
• IBM Certification Exam tool
• Brain Bench's certification
• MindQ's mock test
• List of Mock Exams on Javaranch
• Yet another list of free Mock Exam
• Whizlabs Java Certification Exam Preparation

Java Editors:

• TextPad
• Eclipse
• Sun One Studio (Formerly Forte)
• NetBeans

Other Java Resources:

• Artima.com - A Java book, Many articles, and wonderful applets
• GridBagger - GridBagLayout made simple
• Core Java Tech Tips from Sun
• Developer services on java.sun.com