Define a complete binary tree?
Can we null keys in treemap?
What is data structure what is need of it?
What are threaded binary trees?
Is hashmap keyset ordered?
Why do we use hashset?
When will you sort an array of pointers to list elements, rather than sorting the elements themselves?
Define a relation?
What is the difference between data types and data structures?
What do you mean by linear probing?
What are the types of sorting?
Why we need cursor implementation of linked lists?
Differentiate between priorityqueue and treeset.