Can a class have a constructor?
List out few of the Application of tree data-structure?
Explain binary search tree?
What is a data structure node class?
How can you add an item to the beginning of the list?
Differentiate between singly and doubly linked lists?
Why concurrenthashmap is fail safe?
Explain implementation of traversal of a binary tree.
Can we add duplicate keys in a hashmap? What will happen if we attempt to add duplicate values?
What is the difference between ienumerable and list?
What is the difference between length () and size () of arraylist?
What is two-dimensional array?
Why insertion is faster in linked list?