What is stack and queue in data structure?
Explain the Linked List
What is the difference between classifying and sorting?
Does arraylist have index?
Can we use Generics with the array?
Should I use hashmap or hashtable?
in tree construction which is the suitable efficient data structure? (Array, linked list, stack, queue)
Does linked list allow null values?
Differentiate between hashset and hashmap.
Explain binary representation?
Why does hashset use hashmap?
What is best time complexity?
What is stack in data structure with the example?
What is data and data types?
What is adt in data structure?