What is doubly linked list in data structure?
Explain binary representation?
How hashmap increases its size?
Define path in a graph?
Define tree edge?
What is sorting rule in shapes?
Is radix sort faster than quicksort?
What is m way tree in data structure?
Why is hashmap faster?
What are threaded binary trees?
Why null is not allowed in treemap?
What is queue example?
What are three common types of traversals?
Explain Queue
Which of the collections allows null as the key?