ConcurrentHashMap vs Synchronized HashMap

Question

What is the difference between using the wrapper class, SynchronizedMap, on a HashMap and ConcurrentHashMap?

Is it just bein

Answer 1

ConcurrentHashMap :

1)Both maps are thread-safe implementations of the Map interface.

2)ConcurrentHashMap is implemented for higher throughput in cases where high concurrency is expected.

3) There is no locking in object level.

Synchronized Hash Map:

1) Each method is synchronized using an object level lock.