Compound Actions on ConcurrentHashMap Done Correctly
Using ConcurrentHashMap does not automatically make every map-related workflow correct.
Using ConcurrentHashMap does not automatically make every map-related workflow correct.
ConcurrentHashMap is the default shared map choice for many Java services, and for good reason.
Once a collection becomes shared across threads, the next question is usually:
Ordinary Java collections are designed for single-threaded use unless you add an explicit concurrency strategy around them.
By this point in the module, the important thing is not memorizing six APIs.