When will you use array over arraylist?
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What is garbage collection in data structure?
There is a program which inserts and deletes node in a sorted singly linked list. There is a bug in one of the modules, how would you debug it?
Is quicksort a stable algorithm?
What is data structure and why we need them?
What is dynamic data structure?
Can we put null key in hashmap?
Differentiate between an array and an arraylist.
Design a datastructure to represent the movement of a knight on a chess board
Can arraylist store primitives?
What are doubly linked lists?
How do you empty an arraylist?
What is raid (redundant array of inexpensive disks)? Explain its level?