Concurrency

• ▸ concurrency Producer-consumer with BlockingQueueFREE
• ▸ concurrency Java 21 ScopedValue vs ThreadLocalFREE
• ▸ concurrency ThreadLocal — what it is and the classic memory leakFREE
• ▸ concurrency ForkJoinPool and work-stealingFREE
• ▸ concurrency volatile vs synchronized vs atomic — when each?FREE
• ▸ concurrency Deadlock — how it happens, and how to detect and prevent it
• ▸ concurrency CompletableFuture pipelines — thenApply, thenCompose and thenCombine
• ▸ concurrency ExecutorService types — and why newFixedThreadPool can sink you
• ▸ concurrency synchronized methods vs blocks — what actually gets locked
• ▸ concurrency ReentrantLock vs synchronized — and when fairness matters
• ▸ concurrency wait/notify vs Condition — what changed
• ▸ concurrency The Java Memory Model and happens-before
• ▸ concurrency CompletableFuture errors — exceptionally vs handle vs whenComplete
• ▸ concurrency AtomicInteger and compare-and-swap — how lock-free updates work
• ▸ concurrency Future vs CompletableFuture
• ▸ concurrency CountDownLatch, CyclicBarrier, Semaphore and Phaser
• ▸ concurrency BlockingQueue implementations — which one when?
• ▸ concurrency ThreadPoolExecutor's knobs — core size, queue and rejection policy
• ▸ concurrency ConcurrentLinkedQueue and how lock-free structures work
• ▸ concurrency False sharing — the cache-line slowdown and how to fix it
• ▸ concurrency ReadWriteLock vs StampedLock — read-heavy locking
• ▸ concurrency A thread's life — the six states
• ▸ concurrency Runnable vs Callable vs extending Thread
• ▸ concurrency Race conditions and check-then-act bugs
• ▸ concurrency Making a class thread-safe — confinement, immutability and locking
• ▸ concurrency Livelock and starvation — the quieter cousins of deadlock
• ▸ concurrency Daemon threads vs user threads
• ▸ concurrency sleep vs wait vs yield vs join
• ▸ concurrency Concurrent counters — AtomicLong vs LongAdder
• ▸ concurrency Concurrency vs parallelism
• ▸ concurrency Thread-pool starvation — when tasks wait on tasks in the same pool
• ▸ concurrency Timeouts — Future.get with a timeout, invokeAll and invokeAny
• ▸ concurrency Scheduling work — ScheduledExecutorService vs Timer