Which sorting is best in time complexity?
Which is the simplest file structure?
What is the difference between sorting and classifying?
Which sorting algorithm is used in collections sort?
What is sequential search?
Give the example of validating the parenthesis of expression using stack.
What are doubly linked lists?
Can we store primitives in collections?
Explain Array
What is difference between hashmap and hashset?
Explain pre-order and in-order tree traversal.
How would you reverse the characters of an array?
What is the use of sorting?
What is nsmutablearray?
How do you sort a list in reverse order?