Differentiate between hashset and treeset.
What do you know about different sorting algorithms?
Why is waste sorting important?
Difference between arrays and linked list?
Write a code for dynamic allocation of array.
Can arraylist have null values?
Which is faster array or arraylist?
Which is the parent class of hashmap class?
What is the best case for bubble sort?
What is data structure and its operations?
What is static array?
When is a binary search best applied?
Mention the advantages of representing stacks using linked lists than arrays?