Explain the priority queue?
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Differentiate between queue and deque.
What are the basic data structures?
What is the best complexity of bubble sort?
How can we reverse a singly linked list?
How do you sort an array by value?
What is stable sorting?
Write an algorithm to check if there is a loop in a doubly linked list.
What are the two traversal strategies used in traversing a graph?
What is difference between while and do while?
Define hashing?
Is hashmap a data structure?
Does hashset guarantee order?