concurrent hashmap vs synchronised and how synchronised the collection...

Question

Accepted Answer

ConcurrentHashMap allows multiple threads to access and modify it concurrently, while synchronized collections ensure thread safety by allowing only one thread to access at a time.

ConcurrentHashMap is more efficient for concurrent access compared to synchronized collections.
ConcurrentHashMap uses fine-grained locking to allow multiple threads to read and write concurrently.
Synchronized collections use a single lock to ensure thread safety, which can lead to performance bottlenecks in high concurrency scenarios.
Example: ConcurrentHashMap is commonly used in multi-threaded applications where high concurrency is expected, while synchronized collections are suitable for low concurrency scenarios.

concurrent hashmap vs synchronised and how synchronised the collection...

Popular interview questions of Associate Java Developer