Coding Standards for Java Comprehensive coding and style guidelines from AmbySoft Inc. http://www.ambysoft.com/javaCodingStandards.html
Naming Conventions in Java A short article on what lessons can be learnt from C++ for Java coding standards. http://membres.lycos.fr/beust/naming/
JAuditor The Benchmark for JavaTM quality ñertification. The Perfect Code Challenge - each month JAuditor publish the audit results of an important Java open source project. http://jauditor.com/
Java Programming Style Guidelines A set of recommendations on various aspects of coding such as naming, file organization, and comments. http://geosoft.no/javastyle.html
Draft Java Coding Standard Guidelines for structure, documentation and naming. http://gee.cs.oswego.edu/dl/html/javaCodingStd.html
Java Coding Standards Collection of links Ray Ontko. http://www.ontko.com/java/java_coding_standards.html
A Programming Style for Java A large number of heuristic guidelines for writing well-structured and maintainable Java programs. http://www.webcom.com/~haahr/essays/java-style/
How To Write Unmaintainable Code A humorous approach emphasizing the need for coding standards - Java centric discussion. http://www.mindprod.com/unmain.html
JavaRanch: Java Programming Style Guide Style guide focusing primarily on formatting and comments, as well as advice on which coding constructs to avoid. http://www.javaranch.com/style.jsp
The Infospheres Java Coding Standard Discusses structure, documentation, naming conventions. Also discusses useful related tools. http://www.infospheres.caltech.edu/resources/code_standards/java_standard.html
Tips for maintainable Java code A random collection of personal observations by Rolf Howarth. http://www.squarebox.co.uk/javatips.html
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