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Java Fundamentals

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Threads BasicsšŸ’¼
Creating Threads
Thread LifecyclešŸ’¼
Thread Methods
Thread Priority
SynchronizationšŸ’¼
Synchronized Methods
Synchronized Blocks
Static Synchronization
Inter-Thread Communication
DeadlockšŸ’¼
Thread Pool
ExecutorService
Callable and Future
CompletableFuture
Locks
ReadWriteLock
Atomic Variables
volatile KeywordšŸ’¼
ThreadLocal
Semaphore
CountDownLatch
CyclicBarrier
Concurrency Best Practices
Languages/Java/Multithreading/Callable and Future

Callable and Future

Tasks that return results

Callable & Future

Code Examples

Returning values

java
1
2Future<Integer> f = ex.submit(() -> 10);
3f.get();
4          

Use Cases

  • Result-based tasks

Common Mistakes to Avoid

  • Blocking on get()
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ExecutorService
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CompletableFuture
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