Resources - Slides & Exercises
01 - Introduction
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How the course came about (5:06)
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Questions and exercises (11:17)
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History of concurrency (4:08)
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Benefits of threads (9:46)
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Risks of threads (8:19)
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Threads are everywhere (3:58)
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Short Java 7 & 8 primer (23:15)
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Exercises (4:54)
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Exercise Walkthrough: Setting up your IDE (5:27)
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Exercise Walkthrough: Annotating Persons (4:11)
02 - Thread Safety
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Stack vs heap memory (9:58)
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Synchronization, Latent defects (5:25)
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Atomicity (9:05)
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Visibility (8:37)
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Confinement (7:37)
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Immutability (15:54)
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Designing a thread-safe class (8:48)
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Exercises (4:19)
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Exercise Walkthrough: Thread confined DateFormat (4:10)
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Exercise Walkthrough: Stack confined DateFormat (2:10)
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Exercise Walkthrough: Object confined DateFormat (1:31)
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Exercise Walkthrough: New DateTimeFormatter (2:46)
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Exercise Walkthrough: ByteGenerator (5:32)
03 - Building Blocks
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Synchronized collections (13:07)
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Concurrent collections (8:38)
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Livelock with ConcurrentHashMap.computeIfAbsent() (10:06)
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CopyOnWrite collections (10:45)
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BlockingQueue & producer-consumer (15:57)
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Semaphore (5:23)
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CountDownLatch (4:42)
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Phaser (7:45)
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Exercises (2:26)
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Exercise Walkthrough: ConcurrentModificationException (19:57)
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Exercise Walkthrough: PriorityBlockingQueue (12:36)
04 - Task Execution
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Introduction (4:36)
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The executor framework (8:44)
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ScheduledExecutorService (7:22)
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Executor lifecycle (6:32)
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Finding exploitable parallelism (7:20)
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Callable and Future (6:02)
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CompletionService (6:50)
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CompletableFuture (15:53)
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Using parallel streams (6:34)
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Exercises (1:44)
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Exercise Walkthrough: Parallel factorizer (9:41)
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Exercise Walkthrough: Parallel stream factorizer (4:27)
05 - Cancellation
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Introduction & Motivation (11:25)
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Cooperative vs preemptive (5:05)
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Policies in dealing with InterruptedException (13:55)
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Code sample with Future.cancel(true) (11:55)
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FutureTask life cycle & Java 8 streams (7:09)
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Timed tasks & non-interruptible tasks (7:17)
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Exercises (0:57)
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Exercise Walkthrough: Make the factorizer cancelable (7:35)
06 - Applying Thread Pools
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Sizing thread pools, compute vs IO tasks (12:39)
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Mixing CPU and IO intensive tasks (3:35)
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Thread creation cost amortization (23:59)
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Fixed vs cached thread pool configurations (6:47)
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Saturation policies & thread factories (6:47)
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Exercises (3:03)
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Exercise Walkthrough: ThreadPoolSupplier (5:50)
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Exercise Walkthrough: Thread Pool MBean (6:16)
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Exercise Walkthrough: Sizing ThreadPoolExecutor (4:07)
07 - Fork/Join Framework
08 - Avoiding Liveness Hazards
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Introduction (2:32)
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Deadlocks (10:15)
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Lock ordering with System.identityHashCode() (9:51)
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Benefits of open calls (7:01)
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Deadlock in java.util.Vector (8:11)
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Avoiding and diagnosing deadlocks (18:21)
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Livelocks (7:36)
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Exercises (4:15)
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Exercise Walkthrough: Solve deadlocks via lock ordering (3:47)
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Exercise Walkthrough: Find and eliminate deadlock (11:16)
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Exercise Walkthrough: Bonus deadlock puzzle (3:21)
09 - Testing Concurrent Programs
10 - Performance and Scalability
11 - Explicit Locks
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Introduction (0:56)
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AutoCloseable locks (8:05)
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Avoiding deadlocks using tryLock() (3:14)
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Performance synchronized vs ReentrantLock (3:33)
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When to use ReentrantLock (5:22)
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ReentrantReadWriteLock (6:06)
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StampedLock from Java 8 (13:57)
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Exercises (2:33)
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Exercise Walkthrough: Better WalkingCollection (7:58)
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Exercise Walkthrough: tryLock() for solving deadlocks (5:57)
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Exercise Walkthrough: StampedLock with IntList (22:24)
12 - Building Custom Synchronizers
13 - Atomic Variables and Nonblocking Synchronization
14.1 - Memory
14.2 - References
15.1 - Tuning Process
15.2 - JIT and HotSpot
15.3 - Typical Problem Areas
16. Conclusion
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