Java Lock-Free Concurrency: CAS Mechanism, Atomic APIs, and Unsafe Internals

Compare-And-Swap Principles and VolatileCompare-And-Swap (CAS) is an optimistic locking technique that reads a value V from memory, compares it with an expected value A, and if they match, writes a new value B to memory. If they do not match, the operation is retried until it succeeds.CAS is guaranteed to be atomic at the hardware level via the ...

Posted on Sun, 17 May 2026 06:38:53 +0000 by slipster70