Joshua Bloch is chief Java architect at Google and a Jolt Award winner. He was previously a distinguished engineer at Sun Microsystems and a senior systems designer at Transarc. Bloch led the design and implementation of numerous Java platform features, including JDK 5.0 language enhancements and the award-winning Java Collections Framework. He coauthored Java™ Puzzlers (Addison-Wesley, 2005) and Java™ Concurrency in Practice (Addison-Wesley, 2006).
Written for the working Java developer, Joshua Bloch's Effective Java Programming Language Guide provides a truly useful set of over 50 best practices and tips for writing better Java code. With plenty of advice from an indisputable expert in the field, this title is sure to be an indispensable resource for anyone who wants to get more out of their code.
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)
很早就读过,当时就知道这本书很好,可惜当时功力尚浅,没什么收获。但近日再读时,确实很有收获,可以说此书虽不是深入骨髓,但也算入木三分。新手勿动!
评分如果你使用刚刚学会的Java做了一个小应用程序,那么你就可以开始有选择地看这本书。书中分别对Java的不同特性分章节给予作者本人的建议。如果你还没有用到其中的某一特性,那么就没必要读相关的章节,跳过去。只有你经历过了,摔倒过了,困扰过了,你才会与书中的建议产生共鸣...
评分坐在那里看了一个小时,看的心浮气躁,完全看不下去任何内容。一个小时过去了连一个章节都没看完。也可能是因为没带笔,直接看感觉特别烦躁。看来看去只感觉,这本书在讲什么,这段话在讲什么?估计我修炼还不到家。我先看看别的吧,提高提高自己技术再来看好了,毕竟这本书评...
评分就内容来说还是相当不错的,翻译也挺好的不会有拗口的感觉.纸质有很多人抱怨过了我就不重复说了.不过对阅读不影响,反正是学里面的东西又不是冲着纸去的.不过话说回来有点小贵啊
评分java书籍如core Java经常分两册,上册为基础fundmental,下册为advanced。上册讲编程的基本概念,下册谈被升级的概念(如泛型对于Object,try是某种不判断的if,并发是循环的横向扩展,集合是某种高级的数组等等)。这类书给人的感觉是概念的任意组合,正交化,什么都可以...
The three-fold learning process: what--Head First Java, how--Java How To Program, and why--Effective Java (and maybe... Thinking in Java)
评分字字珠玑,读过之后顿时觉得自己的程序千疮百孔,每一页都有巧妙无比但又实用的技巧与方法。必定要反复过目的经典
评分咦我之前居然没把这本记到豆瓣…
评分好无聊呀。。。
评分很有诚意的一本书,适用于中级 Java 用户,算是 JLS 和设计模式的融合。不喜欢之一是这本书可以再精简一些;二是书中提到的很多问题更多是 Java 语言本身的,在后来的语言里已经被考虑到了,所以读起来很是鸡肋
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