Semaphore vs ReentrantLock in Java: Key Differences
Semaphore vs ReentrantLock in Java compared with a table and code for ownership, reentrancy, IllegalMonitorStateException, conditions and when to use each.
Java Lock and ReentrantLock Tutorial with Examples
Use a Java Lock to let one thread at a time change shared data. Covers ReentrantLock with try-finally, tryLock() with a timeout, fair locks, ReadWriteLock, StampedLock, Condition and virtual threads.
Object Level Lock vs Class Level Lock in Java
Object level lock vs class level lock in Java with runnable proof that the two locks are independent, syntax variants, pitfalls and virtual thread notes.
Deadlock in Java: Create, Detect and Resolve It
Deadlock in Java explained with a deterministic example, jstack and ThreadMXBean detection, lock ordering, tryLock timeouts and interruptible recovery.