Essential Java Style : Patterns for Implementation

by Langr, Jeff

• ISBN13: 9780130850867
• ISBN10: 0130850861
• Format: Paperback
• Copyright: 1999-08-01
• Publisher: Pearson P T R

Summary

With Essential Java Style, developers finally have a Java style guide that offers detailed patterns for real-world implementation. Using real code, not abstract discussion, Jeff Langr brings together scores of today's best implementation solutions for the problems every Java developer faces. By standardizing on these solutions, developers can build Java programs more quickly, efficiently, and reliably -- and make them dramatically easier to maintain. Langr brings together great ideas from many sources, notably the excellent Smalltalk patterns identified in Kent Beck's Smalltalk Best Practice Patterns (Prentice Hall PTR). He presents patterns that cover methods, messages, state, collections, classes, and formatting. Each pattern appears on its own page, with its own name and summary box designed to show exactly which problem is being solved. By standardizing on Langr's Java patterns, development teams solve the key problems of Java development: widely varying code styles that complicate walkthroughs and maintenance; inconsistent and misleading naming; and inefficient techniques for common operations.

Table of Contents

1. Behavior—Methods.

Methods. Composed Method. Constructor Method. Constructor Parameter Method. Default Parameter Values. Shortcut Constructor Method. Converter Method. Converter Constructor Method. Query Method. Comparing Method. Reversing Method. Method Object. Parameter Object. Debug Printing Method. Method Comment. Intention-Revealing Method Name. Simple Implementations.

2. Behavior—Messages.

Message. Choosing Message. Decomposing Message. Dispatched Interpretation. Double Dispatch. Mediating Protocol. Super. Extending Super. Modifying Super. Delegation. Simple Delegation. Self-Delegation. Pluggable Method Name. Collecting Parameter.

3. State Patterns.

Instance Variables. Temporary Variables. Common State. Variable State. Explicit Initialization. Lazy Initialization. Default Value Constant. Default Value Method. Constant. Constant Method. Constant Pool. Direct Variable Access. Indirect Variable Access. Getting Method. Setting Method. Collection Accessor Method. Enumeration Method. Enumerated Constants. Boolean Property-Setting Method. Role-Suggesting Instance Variable Name. Temporary Variable. Collecting Temporary Variable. Caching Temporary Variable. Explaining Temporary Variable. Reusing Temporary Variable. Role-Suggesting Temporary Variable Name.

4. Collections.

Collection. Array. List. Linked List. Equality Method. Map. Hash Map. Hashing Method. Tree Map. Set. Tree Set. Stack. Collection Operations. isEmpty(). contains(Object)/containsAll(Collection). retainAll(Collection). removeAll(Collection). Concatenation. Enumeration. Reverse Enumeration. Do. Collect. Select/Reject. Detect. Inject Into. Collection Idioms. Duplicate Removing Set. Temporarily Sorted Collection. Queue. Lookup Cache.

5. Classes.

Simple Superclass Name. Qualified Subclass Name. Typing Interface Name. Scoping Package Name.

6. Formatting.

Method Signature. Role-Suggesting Parameter Name. Message Send. Left-Aligning Block. Guard Clause. Conditional Expression. Simple Enumeration Variable Name.

7. Development Example.

The Class Definer Utility.

Appendix A: Performance.

Java Optimizations. HotSpot. Big O.

Appendix B: Pattern Summary.

Behavior - Method. Behavior - Message. State. Collections. Classes. Formatting.

Index.