HashMap vs concurrentHashMap, well, this is one of the important interview question, in another way, what is basic differences between
HashMap Vs ConcurrentHashMap
Follwoing is the differences between concurrentHashMap and Hashmap in java. You can visit to know more about manupulation of any entry (key/value pair) of HashMap in Java, like How to remove Entry from HashMap in Java
|Synchronization||No||Yes||HashMap can be synchronized by using
|Null Key||1 null key||not allowed null key||HashMap allowed one null key and multiple null values while
|Performance||fast||Slower||Any number of thread can access HashMap object without locking \, while in ConcurrentHashMap lock portion of bucket.|
Differences between some java classes
You can visit other differences between two java classes:
- Difference between HashMap and ConcurrentHashMap in java
- Difference Between HashMap and HashSet in Java
- HashMap Vs HashTable Vs SynchronizedMap Vs ConcurrentHashMap in Java
Happy learning of differences between HashMap and ConcurrentHashMap.
3 thoughts on “HashMap Vs ConcurrentHashMap”
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Aw, this was an incredibly good post. Spending some time and actual effort to
make a very good article? but what can I say? I put things
off a lot and never manage to get nearly anything done.