Effective Java Programming Language Guide
by Joshua Bloch

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Book Summary Information

Book Reviews of Effective Java Programming Language Guide

Book Review: Great Guide
Summary: 5 Stars

Summary of Effective Java Programming Language Guide

This is the eBook version of the printed book.

A new edition of this title is available, ISBN-10: 0321356683 ISBN-13: 9780321356680

As a veteran developer at Sun, the author shares his considerable insight into the design choices made over the years in Sun's own Java libraries (which the author acknowledges haven't always been perfect). Based on his experience working with Sun's best minds, the author provides a compilation of 57 tips for better Java code organized by category. Many of these ideas will let you write more robust classes that better cooperate with built-in Java APIs. Many of the tips make use of software patterns and demonstrate an up-to-the-minute sense of what works best in today's design. Each tip is clearly introduced and explained with code snippets used to demonstrate each programming principle.

Early sections on creating and destroying objects show you ways to make better use of resources, including how to avoid duplicate objects. Next comes an absolutely indispensable guide to implementing "required" methods for custom classes. This material will help you write new classes that cooperate with old ones (with advice on implementing essential requirements like the equals() and hashCode() methods).

The author has a lot to say about class design, whether using inheritance or composition. Tips on designing methods show you how to create understandable, maintainable, and robust classes that can be easily reused by others on your team. Sections on mapping C code (like structures, unions, and enumerated types) onto Java will help C programmers bring their existing skills to Sun's new language. Later sections delve into some general programming tips, like using exceptions effectively. The book closes with advice on using threads and synchronization techniques, plus some worthwhile advice on object serialization.

Whatever your level of Java knowledge, this title can make you a more effective programmer. Wisely written, yet never pompous or doctrinaire, the author has succeeded in packaging some really valuable nuggets of advice into a concise and very accessible guidebook that arguably deserves a place on most any developer's bookshelf. --Richard Dragan

Topics covered:

• Best practices and tips for Java
• Creating and destroying objects (static factory methods, singletons, avoiding duplicate objects and finalizers)
• Required methods for custom classes (overriding equals(), hashCode(), toString(), clone(), and compareTo() properly)
• Hints for class and interface design (minimizing class and member accessibility, immutability, composition versus inheritance, interfaces versus abstract classes, preventing subclassing, static versus nonstatic classes)
• C constructs in Java (structures, unions, enumerated types, and function pointers in Java)
• Tips for designing methods (parameter validation, defensive copies, method signatures, method overloading, zero-length arrays, hints for Javadoc comments)
• General programming advice (local variable scope, using Java API libraries, avoiding float and double for exact comparisons, when to avoid strings, string concatenation, interfaces and reflection, avoid native methods, optimizing hints, naming conventions)
• Programming with exceptions (checked versus run-time exceptions, standard exceptions, documenting exceptions, failure-capture information, failure atomicity)
• Threading and multitasking (synchronization and scheduling hints, thread safety, avoiding thread groups)
• Serialization (when to implement Serializable, the readObject(), and readResolve() methods)

Java Books

• Subjects > Computers & Technology > Programming > Java
• Languages & Tools
• Software Design, Testing & Engineering > Object-Oriented Design