Can hashmap have duplicate keys?
Differentiate between hashmap and hashtable.
What is quick sort example?
Is copyonwritearraylist thread safe?
When is a graph said to be weakly connected?
Can you list out the areas in which data structures are applied extensively?
Define union-by-weight?
What is the heap in data structures?
what is Singly Linked list?
What is meant by hashing?
What is a list of lists?
What is sort order?
Write an algorithm to show the reverse of link list?