26-ConcurrentHashMap and Tools or which are used in Realtime
ConcurrentHashMap:
When you need a thread-safe map in a multi-threaded environment.
When performance is critical, and you want to avoid the overhead of locking the entire map.
When you need to perform frequent read and write operations from multiple threads.
Tools:
Tools or which are used in Realtime .
1)Postman
2)Git
3)GitHub
4)IntelliJ
5)Maven
6)Tom cat server
7)Jira
8)Jacoco and sonar lint
9)Oracle work bench