Write program for Quick sort ?
What is difference between stack and queue?
Do sets allow duplicates?
Are duplicates allowed in hashmap?
What is default size of hashmap?
What is perfect binary tree?
Which is better arraylist or linkedlist?
Mention one advantage and disadvantage of using quadratic probing?
Does hashmap maintain insertion order?
What is the use of treemap?
Differentiate between singly and doubly linked lists?
What is time complexity of quick sort?
What is insertion sort technique?