What is difference between hashmap and arraylist?
How do you find the height of a binary tree?
In which data structure, elements can be added or removed at either end, but not in the middle?
42 Answers Infosys, NIC, TTA, Wipro,
What is difference between linear and non linear data structure?
Can we insert null in list?
Define avl tree?
Define heap?
Why do we need linked lists?
Explain the Array
What is the difference between a hashmap and hashtable?
Treemap orders the elements on which field?
What is the difference between classifying and sorting?
What is the use of placement new?