Is hashtable better than dictionary?
Define in brief an array. What are the types of array operations?
Why do we use arrays?
Is array of data structure?
Does hashmap maintain insertion order?
Is hashset a collection?
Which interfaces are implemented by linkedhashset?
How is a hashset implemented?
How do you do a selection sort?
Which is better hashset or treeset?
Define path in a graph?
What is time complexity of quick sort?
Find duplicates in infinite range. Which data structure to be used to give efficient solution?
Is binary tree balanced?
List some applications of tree-data structure?