Can we insert null in hashset?
Tell me about the different sorting techniques.
What does simulation of queues mean?
What does it mean to sort an array?
Define in brief an array.
Which collection type is used to maintain uniqueness of data structure?
Why hashmap is faster than hashtable?
Where is data structure used?
Which is the parent class of enumset class?
Can you please explain the difference between string and an array?
What is difference between hashmap and hashtable?
Does hashmap preserve insertion order?
What do you know about the big-o notation and can you give some examples with respect to different data structures?