What is stack and its operations?
why it is difficult to store linked list as an array?
What is time complexity of quick sort?
Does stringutils isempty check for null?
What is an ordered list?
Why is waste sorting important?
Is array a data structure?
What is difference between array and arraylist?
what is atmost complete binary tree?
Mention the data structures which are used in graph implementation.
What is indexing an array?
Why it is said that searching a node in a binary search tree is efficient than that of a simple binary tree?
Is quicksort a stable sorting algorithm?