Differentiate between iterator and enumeration.
What is faster array or arraylist?
What does bubble sort do?
Can you sort a hashset?
What is a multiset table?
Why do we need algorithm?
What is a Breadth First Search? Give a few of its applications.
State the difference between arrays and linked lists?
What does the term sorting refer to?
What is data structure and its classification?
Is hashset a collection?
Which is faster hashmap or concurrenthashmap?
Is hashmap ordered?