ConcurrentHashMap in Java | Example Tutorial | Code Below
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Hello hello, everybody, today in this video I will show you how to use ConcurrentHashMap in Java. This is one of the most popular coding problems from Java interviews and also a nice exercise to learn programming techniques in Java.
The ConcurrentHashMap class is similar to HashMap, except that it’s thread-safe and allows modification while iteration. ConcurrentHashMap doesn’t allow null for keys and values.
The ConcuurentHashMap is beneficial in a multi-threaded environment and performs better than HashMap. It provides thread safety, scalability, and synchronization. For the single-threaded environment, the HashMap performs slightly better than ConcurrentHashMap.
This is also a good Java programming exercise for beginners to practice coding.
More array-based problems for practice
http://javarevisited.blogspot.sg/2014...
http://javarevisited.blogspot.sg/2014...
http://java67.com/2014/11/how-to-test...
http://java67.blogspot.sg/2014/02/how...
https://javarevisited.blogspot.com/20...
/ 20-array-coding-problems-and-questions-fro...
https://javarevisited.blogspot.com/20...
https://javarevisited.blogspot.com/20...
I have also posted a GitHub link to the code.
https://github.com/LongLong2310/Javar...
Tags:
Java
ConcurrentHashMap
HashMap
Map
#java #coding #HashMap #ConcurrentHashMap #100DaysOfCode #Exercise #Java
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