How does hashset work internally in java?
For addition and deletion. Which one is most preferred: array list or linked list?
Is it possible to make an array volatile in java?
For searches. Which one is most preferred: array list or linked list?
What is a spanning tree?does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes?
Which is the simplest file structure?
Differentiate between queue and deque.
Differentiate between hashset and hashmap.
Differentiate between iterator and enumeration.
Differentiate between hashset and treeset.
Differentiate between hashmap and treemap.
Differentiate between the singly linked list and doubly linked list.
Differentiate between set and map.
Differentiate between collection and collections.
Differentiate between iterator and listiterator.