1) Internals of Hashmap 2) What is the ER diagram, and draw the ER diagram of your project. 3) What is Synchronization in Java? Explain Deadlock.
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A hashmap is a data structure that stores key-value pairs and provides fast retrieval of values based on their keys.
Hashmap is implemented using an array of linked lists or a balanced tree
It uses a ha...read more
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