Java Concurrency In Practice Index Index ii Preface xiii How to Use this Book 诚 Code Examples xiv Acknowledaments Chapter 1-Introduction 1 1.1.A(Very)Brief History of Concurrency 2 1.2.Benefits of Threads 3 1.2:1Exploiting Multiple processors 12:2 Simplicity of Modelina 3 3 1.2.3.Simplified Handling of Asvnchronous Events 1.2.4.More Responsive User Interfaces 1.3.Risks of Threads 5 1.3.1.Safety.Hazards. 1.3.2.Liveness Hazards. 、 1.3.3.Performance Hazards 1.4.Threads are Everywhere 8 Part l:Fundamentals 10 Chapter 2.Thread Safety 11 2.1.What is Thread Safety? 12 2.2.Atomicity. 13 2.3.40 cking.… 2.4.Guarding State with Locks 6 19 2.5.Liveness and Performance …20 Chapter 3.Sharing Objects 23 3-visibility 23 3.2.Publication and Escape 2 3.3..Thread Confinement... .…28 3.4.Immutability 31 3.5.Safe Publication 33 Chapter 4.Composing Objects 37 4.1.Designing a Thread-safe Class. 37 4.2:.Instance confinement 39 4.3.Delegating Thread Safety 42 4.4.Adding Functionality to Existina.Thread-safe.Classes. 47 4.5.Documentina Synchronization policies 49 Chapter 5.Building Blocks 51 5.1.Svnchronized Collections. .51 5.2.Concurrent Collections 54 5.3.Blocking Queues and the Producer-consumer Pattern.. 55 5.4.Blocking and Interruptible Methods 5.5.Svnchron.ie...… 0 5.6.Building an Efficient,Scalable Result Cache 64 Summary of Part 1 .59ii Java Concurrency In Practice Index Index ii Preface xiii How to Use this Book xiii Code Examples xiv Acknowledgments xv Chapter 1 - Introduction 1 1.1. A (Very) Brief History of Concurrency 2 1.2. Benefits of Threads 3 1.2.1. Exploiting Multiple Processors 3 1.2.2. Simplicity of Modeling 3 1.2.3. Simplified Handling of Asynchronous Events 3 1.2.4. More Responsive User Interfaces 4 1.3. Risks of Threads 5 1.3.1. Safety Hazards 5 1.3.2. Liveness Hazards 6 1.3.3. Performance Hazards 6 1.4. Threads are Everywhere 8 Part I: Fundamentals 10 Chapter 2. Thread Safety 11 2.1. What is Thread Safety? 12 2.2. Atomicity 13 2.3. Locking 16 2.4. Guardin g State with Locks 19 2.5. Liveness and Performance 20 Chapter 3. Sharing Objects 23 3.1. Visibility 23 3.2. Publication and Escape 26 3.3. Thread Confinement 28 3.4. Immutability 31 3.5. Safe Publication 33 Chapter 4. Composing Objects 37 4.1. Designin g a Thread Ͳsafe Class 37 4.2. Instance Confinement 39 4.3. Delegating Thread Safety 41 4.4. Adding Functionality to Existing Thread Ͳsafe Classes 47 4.5. Documenting Synchronization Policies 49 Chapter 5. Building Blocks 51 5.1. Synchronized Collections 51 5.2. Concurrent Collections 54 5.3. Blocking Queues an d the Producer Ͳconsumer Pattern 56 5.4. Blocking and Interruptible Methods 59 5.5. Synchronizers 60 5.6. Building an Efficient, Scalable Result Cache 64 Summary of Part I 69