Java / Map and its implementations
Why is ConcurrentHashMap faster than Hashtable in Java?
ConcurrentHashMap divides the whole map into different segments and locks only a particular segment during the update operation, instead of Hashtable, which locks whole Map.
The ConcurrentHashMap also provides lock-free read, which is not possible in Hashtable. ConcurrentHashMap is faster than Hashtable, especially when a number of the reader is more than the number of writers.
Dogecoin! Earn free bitcoins up to $250 now by signing up.
Earn bitcoins upto $250 (free), invest in other Cryptocurrencies when you signup with blockfi. Use the referral link: Signup now and earn!
Using BlockFi, don't just buy crypto - start earning on it. Open an interest account with up to 8.6% APY, trade currencies, or borrow money without selling your assets.
Invest now!!! Get Free equity stock (US, UK only)!
Use Robinhood app to invest in stocks. It is safe and secure. Use the Referral link to claim your free stock when you sign up!.
The Robinhood app makes it easy to trade stocks, crypto and more.
More Related questions...