What is mean by sorting?
How do you implement a stack?
Define graph?
What is adt in data structure with example?
Complete structure of hashmap, very detail description, along with the basic coding of the hashmap internal implementation.
How do you sort an array by value?
What is data structure and why it is important?
Differentiate between iterator and enumeration.
What is the time complexity of selection sort?
Define 2-3-4 tree?
Which sorting algorithm is worst?
What is the difference between collections class vs collections interface?
Define a complete binary tree?