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| Introduction | |
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| Threads | |
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| Introduction to Threads | |
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| What Is a Thread? | |
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| Why Use Multiple Threads? | |
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| When Multiple Threads Might Not Be Good | |
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| Java's Built-in Thread Support | |
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| Basy to Start, Tough to Master | |
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| A Simple Two-Thread Example | |
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| Extending the java.lang.Thread Class | |
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| Overriding the run() Method | |
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| Spawning a New Thread | |
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| Putting It All Together | |
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| Summary | |
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| Crealing and Starting a Thread | |
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| Using Thread.currentThread() | |
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| Naming a Thread: getName() and setName() | |
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| Thread Constructors | |
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| Enlivening a Thread: start() and isAlive() | |
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| Using Thread.sleep() | |
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| Summary | |
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| Implementing Runnable Versus Extending Thread | |
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| Visual Timer Graphical Component | |
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| Extending Thread and JComponent? | |
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| Interface java.lang.Runnable | |
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| Passing a Runnable Object to a Thread's Constructor | |
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| Modifying SecondCounter to Use Runnable | |
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| Checking the Accuracy of SecondCounter | |
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| Improving the Accuracy of SecondCounter | |
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| Summary | |
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| Gracefully Stopping Threads | |
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| Interrupting a Thread: interrupt() | |
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| Suspending and Resuming Thread Execution | |
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| Stopping a Thread | |
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| The Best Replacement for stop(), suspend(), and resume() | |
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| Daemon Threads | |
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| Summary | |
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| Thread Prioritization | |
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| System Thread Priorities | |
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| Thread Priority Constants | |
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| Determining the Current Priority: getPriority() | |
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| Changing the Priority of a Thread: setPriority() | |
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| Thread States | |
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| Priorities and Scheduling | |
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| Voluntarily Relinquishing the Processor: Thread.yield() | |
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| Thread-Scheduling Scenarios | |
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| Summary | |
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| Concurrent Access to Objects and Variables | |
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| Volatile Member Variable Modifier | |
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| Synchronized Method Modifier | |
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| Synchronized Statement Block | |
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| Static synchronized Methods | |
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| Using the Class-Level Lock in a synchronized Statement | |
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| Synchronization and the Collections API | |
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| Deadlocks | |
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| Speeding Concurrent Access | |
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| Summary | |
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| Inter-thread Communication | |
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| The Need for Inter-thread Signaling | |
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| The Wait/Notify Mechanism | |
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| Object API Used for Wait/Notify | |
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| When to Use notify All() Instead of notify() | |
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| Missed Notification | |
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| Early Notification | |
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| CubbyHole Example | |
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| Using join() to Wait for a Thread to Die | |
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| Streaming Data Between Threads Using Pipes | |
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| Using ThreadLocal and Inheritable ThreadLocal | |
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| Summary | |
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| Threads and Swing | |
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| Why Isn't the Swing Toolkit Multithread-Safe? | |
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| Using Swing Utilities.invokeAndWait() | |
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| Using Swing Utilities.invokeLater() | |
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| Using SwingUtilities.isEventDispatch Thread() | |
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| When invokeAndWait() and invokeLater() Are Not Needed | |
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| The Need for Worker Threads in a GUI Setting | |
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| Using a Worker Thread to Relieve the Event Thread | |
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| Scrolling Text in a Custom Component | |
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| Animating a Set of Images | |
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| Displaying Elapsed Time on a JLabel | |
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| Floating Components Around Inside a Container | |
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| Summary | |
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| Thread Groups | |
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| What Are Thread Groups? | |
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| Using getParent() | |
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| Finding the Subgroups of a Thread Group | |
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| Using the getThreadGroup() Method of Thread | |
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| Finding All the Threads in a Thread Group | |
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| Understanding Thread Group Security | |
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| Using setMaxPriority() and getMaxPriority() | |
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| Using interrupt() | |
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| Deprecated Methods: stop(), suspend(), and resume() | |
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| Class ThreadViewer | |
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| Summary | |
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| Techniques | |
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| Self-Running Objects | |
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| Simple Self-Running Class | |
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| Using an Inner Class to Hide run() | |
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| Additional Functionality to Consider | |
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| Summary | |
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| Exception Callback | |
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| ExceptionListener Interface | |
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| Additional Methods to Support ExceptionListener | |
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| Summary | |
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| Thread Pooling | |
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| Benefits of Thread Pooling | |
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| Considerations and Costs of Thread Pooling | |
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| A Generic Thread Pool: ThreadPool | |
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| A Specialized Worker Thread Pool: HttpServer | |
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| Summary | |
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| Waiting for the Full Timeout | |
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| Accidentally Returning Early | |
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| Determining If wait() Should Be Invoked Again | |
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| A General-Purpose Wait-Until Pattern | |
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| Summary | |
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| Breaking Out of a Blocked I/O State | |
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| The read() Method Ignores Interrupts and Stop Requests | |
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| Closing a Stream to Break Out of the Blocked State | |
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| Throwing InterruptedIOException When Interrupted | |
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| Using BufferedThreadedInputStream for Interruptible I/O | |
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| Summary | |
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| The SureStop Utility | |
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| Guidelines for Using SureStop | |
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| The SureStop Class | |
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| Peering Inside Using SureStop Verbose | |
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| Watching It Work with SureStopDemo | |
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| Summary | |
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| The BooleanLock Utility | |
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| Background | |
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| BooleanLock Class | |
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| Inter-Thread Signaling Using BooleanLock | |
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| Avoiding Blocking on synchronized | |
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| Noticing Brief Changes in Value Using TransitionDetector | |
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| Summary | |
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| First-In-First-Out (FIFO) Queue | |
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| How a FIFO Queue Works | |
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| Implementing a FIFO with an Array | |
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| Simple Implementation in Java: SimpleObjectFIFO | |
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| An Expanded FIFO Queue for Object References: ObjectFIFO | |
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| A FIFO Queue for Bytes: ByteFIFO | |
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| Summary | |
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| Appendixes | |
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| The Thread API | |
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| Member Variables | |
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| Constructors | |
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| Static methods | |
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| Instance Methods | |
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| Deprecated Methods | |
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| The ThreadGroup API | |
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| Constructors | |
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| Instance Methods | |
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| Deprecated Methods | |
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| Index | |