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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/Synchronized Methods

Synchronized Methods

Method-level synchronization

Synchronized Methods

Code Examples

Implicit object lock

java
1
2public synchronized void increment() {
3    count++;
4}
5          

Use Cases

  • Simple thread safety

Common Mistakes to Avoid

  • Locking too much code
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