JAVA核心技术 卷1 基础知识 下 第9版英文版PDF电子书下载

Chapter 10:Deploying Applications and Applets 565

10.1 JAR Files 566

10.1.1 The Manifest 567

10.1.2 Executable JAR Files 568

10.1.3 Resources 569

10.1.4 Sealing 573

10.2 Java Web Start 574

10.2.1 The Sandbox 578

10.2.2 Signed Code 579

10.2.3 The JNLP API 582

10.3 Applets 591

10.3.1 A Simple Applet 591

10.3.1.1 Converting Applications to Applets 595

10.3.2 The applet HTML Tag and Its Attributes 596

10.3.3 The object Tag 599

10.3.4 Use of Parameters to Pass Information to Applets 600

10.3.5 Accessing Image and Audio Files 606

10.3.6 The Applet Context 607

10.3.6.1 Inter-Applet Communication 608

10.3.6.2 Displaying Items in the Browser 609

10.4 Storage of Application Preferences 610

10.4.1 Property Maps 611

10.4.2 The Preferences API 616

Chapter 11:Exceptions,Assertions,Logging,and Debugging 625

11.1 Dealing with Errors 626

11.1.1 The Classification of Exceptions 628

11.1.2 Declaring Checked Exceptions 630

11.1.3 How to Throw an Exception 632

11.1.4 Creating Exception Classes 634

11.2 Catching Exceptions 635

11.2.1 Catching Multiple Exceptions 637

11.2.2 Rethrowing and Chaining Exceptions 639

11.2.3 The finally Clause 640

11.2.4 The Try-with-Resources Statement 644

11.2.5 Analyzing Stack Trace Elements 646

11.3 Tips for Using Exceptions 649

11.4 Using Assertions 653

11.4.1 Assertion Enabling and Disabling 654

11.4.2 Using Assertions for Parameter Checking 655

11.4.3 Using Assertions for Documenting Assumptions 656

11.5 Logging 657

11.5.1 Basic Logging 658

11.5.2 Advanced Logging 658

11.5.3 Changing the Log Manager Configuration 661

11.5.4 Localization 662

11.5.5 Handlers 663

11.5.6 Filters 667

11.5.7 Formatters 667

11.5.8 A Logging Recipe 668

11.6 Debugging Tips 677

11.7 Tips for Troubleshooting GUI Programs 682

11.7.1 Letting the AWT Robot Do the Work 686

11.8 Using a Debugger 690

Chapter 12:Generic Programming 697

12.1 Why Generic Programming? 698

12.1.1 Who Wants to Be a Generic Programmer? 699

12.2 Defining a Simple Generic Class 700

12.3 Generic Methods 702

12.4 Bounds for Type Variables 704

12.5 Generic Code and the Virtual Machine 706

12.5.1 Translating Generic Expressions 708

12.5.2 Translating Generic Methods 708

12.5.3 Calling Legacy Code 711

12.6 Restrictions and Limitations 712

12.6.1 Type Parameters Cannot Be Instantiated with Primitive Types 712

12.6.2 Runtime Type Inquiry Only Works with Raw Types 712

12.6.3 You Cannot Create Arrays of Parameterized Types 713

12.6.4 Varargs Warnings 713

12.6.5 You Cannot Instantiate Type Variables 715

12.6.6 Type Variables Are Not Valid in Static Contexts of Generic Classes 717

12.6.7 You Cannot Throw or Catch Instances of a Generic Class 717

12.6.7.1 You Can Defeat Checked Exception Checking 718

12.6.8 Beware of Clashes after Erasure 720

12.7 Inheritance Rules for Generic Types 721

12.8 Wildcard Types 723

12.8.1 Supertype Bounds for Wildcards 725

12.8.2 Unbounded Wildcards 728

12.8.3 Wildcard Capture 728

12.9 Reflection and Generics 731

12.9.1 Using Class<T>Parameters for Type Matching 732

12.9.2 Generic Type Information in the Virtual Machine 733

Chapter 13:Collections 741

13.1 Collection Interfaces 741

13.1.1 Separating Collection Interfaces and Implementation 742

13.1.2 Collection and Iterator Interfaces in the Java Library 745

13.1.2.1 Iterators 745

13.1.2.2 Removing Elements 748

13.1.2.3 Generic Utility Methods 748

13.2 Concrete Collections 751

13.2.1 Linked Lists 752

13.2.2 Array Lists 762

13.2.3 Hash Sets 763

13.2.4 Tree Sets 767

13.2.5 Object Comparison 768

13.2.6 Queues and Deques 774

13.2.7 Priority Queues 776

13.2.8 Maps 777

13.2.9 Specialized Set and Map Classes 782

13.2.9.1 Weak Hash Maps 782

13.2.9.2 Linked Hash Sets and Maps 783

13.2.9.3 Enumeration Sets and Maps 785

13.2.9.4 Identity Hash Maps 785

13.3 The Collections Framework 787

13.3.1 Views and Wrappers 792

13.3.1.1 Lightweight Collection Wrappers 793

13.3.1.2 Subranges 794

13.3.1.3 Unmodifiable Views 794

13.3.1.4 Synchronized Views 796

13.3.1.5 Checked Views 796

13.3.1.6 A Note on Optional Operations 797

13.3.2 Bulk Operations 799

13.3.3 Converting between Collections and Arrays 800

13.4 Algorithms 801

13.4.1 Sorting and Shuffling 802

13.4.2 Binary Search 805

13.4.3 Simple Algorithms 806

13.4.4 Writing Your Own Algorithms 808

13.5 Legacy Collections 810

13.5.1 The Hashtable Class 810

13.5.2 Enumerations 810

13.5.3 Property Maps 811

13.5.4 Stacks 812

13.5.5 Bit Sets 813

13.5.5.1 The""Sieve of Eratosthenes""Benchmark 814

Chapter 14:Multithreading 819

14.1 What Are Threads? 820

14.1.1 Using Threads to Give Other Tasks a Chance 827

14.2 Interrupting Threads 833

14.3 Thread States 836

14.3.1 New Threads 836

14.3.2 Runnable Threads 836

14.3.3 Blocked and Waiting Threads 837

14.3.4 Terminated Threads 839

14.4 Thread Properties 839

14.4.1 Thread Priorities 840

14.4.2 Daemon Threads 841

14.4.3 Handlers for Uncaught Exceptions 841

14.5 Synchronization 843

14.5.1 An Example of a Race Condition 843

14.5.2 The Race Condition Explained 848

14.5.3 Lock Objects 850

14.5.4 Condition Objects 854

14.5.5 The synchronized Keyword 859

14.5.6 Synchronized Blocks 864

14.5.7 The Monitor Concept 865

14.5.8 Volatile Fields 866

14.5.9 Final Variables 867

14.5.10 Atomics 868

14.5.11 Deadlocks 868

14.5.12 Thread-Local Variables 871

14.5.13 Lock Testing and Timeouts 873

14.5.14 Read/Write Locks 874

14.5.15 Why the stop and suspend Methods Are Deprecated 875

14.6 Blocking Queues 877

14.7 Thread-Safe Collections 886

14.7.1 Efficient Maps,Sets,and Queues 886

14.7.2 Copy on Write Arrays 888

14.7.3 Older Thread-Safe Collections 888

14.8 Callables and Futures 890

14.9 Executors 895

14.9.1 Thread Pools 896

14.9.2 Scheduled Execution 900

14.9.3 Controlling Groups of Tasks 901

14.9.4 The Fork-Join Framework 902

14.10 Synchronizers 905

14.10.1 Semaphores 906

14.10.2 Countdown Latches 907

14.10.3 Barriers 907

14.10.4 Exchangers 908

14.10.5 Synchronous Queues 908

14.11 Threads and Swing 909

14.11.1 Running Time-Consuming Tasks 910

14.11.2 Using the Swing Worker 915

14.11.3 The Single-Thread Rule 923

Appendix:Java Keywords 925

Index 929