ConcurrentHashMap How It Works Internally. Asked by tech companies in phone screen interview rounds.

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ConcurrentHashMap How It Works Internally. Asked by tech companies in initial / phone screen interview rounds.

Frequently Asked Interview Questions (Java Developers):

What is the difference between HashMap & ConcurrentHashMap?

When should we use ConcurrentHashMap over HashMap?

Which package ConcurrentHashMap is located?

The HashMap is non-thread-safe and can not be used in a concurrent multi-threaded environment. ConcurrentHashMap is a thread-safe and specially designed for use in multi-threaded and concurrent environment where multiple threads can safely access ConcurrentHashMap.

Explains concept of segments in ConcurrentHashMap

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Комментарии

Correction - Not arrayList its linkedList sir

gokulkadnar

What happens if we read the data from a segment when it is locked..??

shravankumar-mexi

Thank you so much for this.. Expecting more videos from your channel

dhareppasasalatti

hi, i have one doubt, if i am modifying the node with key 101, can another thread read that particular node at the same time ? because read operations aren't blocked in Concurrenthashmap

shwetapriyadarshani

In Concurrent HashMap it is not allowed to contain null key or value

pavlodiachuk

Concurrenthashmap is slow compare with hashmap

VijayRaoV

worst video, presenter is very confused about what he is presenting .

SHUBHAMVARDAAN

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