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Java Concurrency

Running Java on more than one thread without corrupting the data underneath.

  • 5 topics
  • 43 cards
  • 25 questions
  • Intermediate to Advanced
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  • Threads and What They Cost

    Java threads: starting work that runs alongside your code, the states a thread passes through, and platform vs virtual threads.

    Intermediate to Advanced8 cards · 5 qnot started

  • Why Shared State Breaks

    Why shared state breaks between threads: race conditions, non-atomic operations, visibility, and choosing volatile, atomics or locks.

    Intermediate to Advanced9 cards · 5 qnot started

  • Locks

    Locks in Java: what synchronized guarantees, which object it locks, reentrancy, ReentrantLock, and what a lock cannot protect.

    Intermediate to Advanced9 cards · 5 qnot started

  • Deadlock and the Failures Near It

    Deadlock in Java: how two locks taken in opposite orders stop a program, the four conditions, lock ordering, livelock and starvation.

    Intermediate to Advanced8 cards · 5 qnot started

  • Executors and Futures

    Executors and futures: running tasks on a thread pool, getting results back, CompletableFuture, and shutting a pool down.

    Intermediate to Advanced9 cards · 5 qnot started