What is link list in data structure?
Differentiate between iterable and iterator.
Why is arraylist not thread safe?
Why is treeset sorted?
What is list and its types?
Explain heapsort. What is its complexity?
What the principle of quick sort and its complexity?
Are collections thread safe?
How much time does it take to learn data structures?
Is array a linked list?
Does linked list allow duplicates?
What is binary tree used for?
Does set allow null values?
What things you would care about to improve the performance of application if its identified that its db communication that needs to be improved?
How can we delete the first node from the singly linked list?