EFFECTIVE JAVA(第3版)(英文版)

本书特色

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自从Java 6发布之后,Java又有了翻天覆地的变化。本书涵盖了Java 7、Java 8和Java 9中语言和库的各种新特性。让你能够深入了解Java平台的细微之处。通过对每一个项目的全面描述和解释,告诉你应该做什么、不应该做什么,以及为什么要这样做。

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内容简介

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自从Java 6发布之后,Java又有了翻天覆地的变化。本书涵盖了Java 7、Java 8和Java 9中语言和库的各种新特性。让你能够深入了解Java平台的细微之处。通过对每一个项目的全面描述和解释,告诉你应该做什么、不应该做什么,以及为什么要这样做。

]

作者简介

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Joshua Bloch是Java 集合框架创办人,领导了很多 Java 平台特性的设计和实现,包括 JDK 5.0 语言增强以及屡获殊荣的 Java 集合框架。2004年6月他离开了SUN公司并成为 Google 的首席 Java 架构师。此外他还因为《Effective Java》一书获得著名的 Jolt 大奖。
Joshua Bloch是Java 集合框架创办人,领导了很多 Java 平台特性的设计和实现,包括 JDK 5.0 语言增强以及屡获殊荣的 Java 集合框架。2004年6月他离开了SUN公司并成为 Google 的首席 Java 架构师。此外他还因为《Effective Java》一书获得著名的 Jolt 大奖。

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目录

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Creating and Destroying Objects . . . . . . . . . . . . . . . . . . . . . 5Item 1: Consider static factory methods instead of constructors . . . 5Item 2: Consider a builder when faced with many constructor parameters . .. . . . . . . . 10Item 3: Enforce the singleton property with a private constructor or an enum type . . . . . . . . . . . . . . . 17Item 4: Enforce noninstantiability with a private constructor . . . . 19Item 5: Prefer dependency injection to hardwiring resources . . . . 20Item 6: Avoid creating unnecessary objects . . . . . . . . . . . . . . . . . 22Item 7: Eliminate obsolete object references . . . . . . . . . . . . . . . . . 26Item 8: Avoid finalizers and cleaners . . . . . . . . . . . . . . . . . . . . . . 29Item 9: Prefer try-with-resources to try-finally. . . . . . . . . . . . 343 Methods Common to All Objects . . . . . . . . . . . . . . . . . . . . 37Item 10: Obey the general contract when overriding equals . . . . . 37Item 11: Always override hashCode when you override equals . . 50Item 12: Always override toString . . . . . . . . . . . . . . . . . . . . . . . . 55Item 13: Override clone judiciously . . . . . . . . . . . . . . . . . . . . . . . . 58Item 14: Consider implementing Comparable . . . . . . . . . . . . . . . . 664 Classes and Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73Item 15: Minimize the accessibility of classes and members . . . . . 73Item 16: In public classes, use accessor methods, not public fields 78Item 17: Minimize mutability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80Item 18: Favor composition over inheritance . . . . . . . . . . . . . . . . . 87Item 19: Design and document for inheritance or else prohibit it 93Item 20: Prefer interfaces to abstract classes . . . . . . . . . . . . . . . . . 99Item 21: Design interfaces for posterity . . . . . . . . . . . . . . . . . . . . 104Item 22: Use interfaces only to define types. . . . . . . . . . . . . . . . . 107Item 23: Prefer class hierarchies to tagged classes . . . . . . . . . . . . 109Item 24: Favor static member classes over nonstatic . . . . . . . . . . 112Item 25: Limit source files to a single top-level class . . . . . . . . . 1155 Generics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117Item 26: Don’t use raw types . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117Item 27: Eliminate unchecked warnings. . . . . . . . . . . . . . . . . . . . 123Item 28: Prefer lists to arrays . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126Item 29: Favor generic types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130Item 30: Favor generic methods . . . . . . . . . . . . . . . . . . . . . . . . . . 135Item 31: Use bounded wildcards to increase API flexibility . . . . 139Item 32: Combine generics and varargs judiciously. . . . . . . . . . . 146Item 33: Consider typesafe heterogeneous containers . . . . . . . . . 1516 Enums and Annotations . . . . . . . . . . . . . . . . . . . . . . . . . . . 157Item 34: Use enums instead of int constants. . . . . . . . . . . . . . . . 157Item 35: Use instance fields instead of ordinals . . . . . . . . . . . . . . 168Item 36: Use EnumSet instead of bit fields . . . . . . . . . . . . . . . . . . 169Item 37: Use EnumMap instead of ordinal indexing. . . . . . . . . . . . 171Item 38: Emulate extensible enums with interfaces . . . . . . . . . . . 176Item 39: Prefer annotations to naming patterns . . . . . . . . . . . . . . 180Item 40: Consistently use the Override annotation. . . . . . . . . . . 188Item 41: Use marker interfaces to define types . . . . . . . . . . . . . . 1917 Lambdas and Streams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193Item 42: Prefer lambdas to anonymous classes . . . . . . . . . . . . . . 193Item 43: Prefer method references to lambdas . . . . . . . . . . . . . . . 197Item 44: Favor the use of standard functional interfaces . . . . . . . 199Item 45: Use streams judiciously . . . . . . . . . . . . . . . . . . . . . . . . . 203Item 46: Prefer side-effect-free functions in streams . . . . . . . . . . 210Item 47: Prefer Collection to Stream as a return type. . . . . . . . . . 216Item 48: Use caution when making streams parallel . . . . . . . . . . 2228 Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227Item 49: Check parameters for validity . . . . . . . . . . . . . . . . . . . . . 227Item 50: Make defensive copies when needed . . . . . . . . . . . . . . . 231Item 51: Design method signatures carefully . . . . . . . . . . . . . . . . 236Item 52: Use overloading judiciously . . . . . . . . . . . . . . . . . . . . . . 238Item 53: Use varargs judiciously . . . . . . . . . . . . . . . . . . . . . . . . . . 245Item 54: Return empty collections or arrays, not nulls . . . . . . . . . 247Item 55: Return optionals judiciously . . . . . . . . . . . . . . . . . . . . . . 249Item 56: Write doc comments for all exposed API elements . . . . 2549 General Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261Item 57: Minimize the scope of local variables . . . . . . . . . . . . . . . 261Item 58: Prefer for-each loops to traditional for loops . . . . . . . . . 264Item 59: Know and use the libraries . . . . . . . . . . . . . . . . . . . . . . . 267Item 60: Avoid float and double if exact answers are required . 270Item 61: Prefer primitive types to boxed primitives . . . . . . . . . . . 273Item 62: Avoid strings where other types are more appropriate . . 276Item 63: Beware the performance of string concatenation . . . . . . 279Item 64: Refer to objects by their interfaces . . . . . . . . . . . . . . . . . 280Item 65: Prefer interfaces to reflection . . . . . . . . . . . . . . . . . . . . . 282Item 66: Use native methods judiciously. . . . . . . . . . . . . . . . . . . . 285Item 67: Optimize judiciously . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286Item 68: Adhere to generally accepted naming conventions . . . . . 28910 Exceptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293Item 69: Use exceptions only for exceptional conditions . . . . . . . 293Item 70: Use checked exceptions for recoverable conditions and runtime exceptions for programming errors . . 296Item 71: Avoid unnecessary use of checked exceptions . . . . . . . . 298Item 72: Favor the use of standard exceptions. . . . . . . . . . . . . . . . 300Item 73: Throw exceptions appropriate to the abstraction. . . . . . . 302Item 74: Document all exceptions thrown by each method. . . . . . 304Item 75: Include failure-capture information in detail messages. . 306Item 76: Strive for failure atomicity . . . . . . . . . . . . . . . . . . . . . . . 308Item 77: Don’t ignore exceptions . . . . . . . . . . . . . . . . . . . . . . . . . 31011 Concurrency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311Item 78: Synchronize access to shared mutable data . . . . . . . . . . 311Item 79: Avoid excessive synchronization . . . . . . . . . . . . . . . . . . 317Item 80: Prefer executors, tasks, and streams to threads . . . . . . . 323Item 81: Prefer concurrency utilities to wait and notify . . . . . . 325Item 82: Document thread safety . . . . . . . . . . . . . . . . . . . . . . . . . 330Item 83: Use lazy initialization judiciously . . . . . . . . . . . . . . . . . 333Item 84: Don’t depend on the thread scheduler . . . . . . . . . . . . . . 33612 Serialization

封面

EFFECTIVE JAVA(第3版)(英文版)

书名:EFFECTIVE JAVA(第3版)(英文版)

作者:(美)Joshua Bloch(约书亚·

页数:404

定价:¥99.0

出版社:电子工业出版社

出版日期:2017-06-01

ISBN:9787121342608

PDF电子书大小:126MB 高清扫描完整版

百度云下载:http://www.chendianrong.com/pdf

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