Which is faster hashmap or concurrenthashmap?
What sorting algorithm does arrays sort use?
What is the application of queue?
Is hashmap keyset ordered?
Write the disadvantages of separate chaining?
What is hash data type?
How do you represent a linked list?
Why do we need a data structure?
State the properties of a binary tree?
What is structure of data type?
Why do we use binary search?
What is a priority queue?
Differentiate between collection and collections.