Why is hashmap faster than arraylist?
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How does threaded binary tree represented in data structure?
What are linked lists most commonly used for?
Given an unsorted linked list, and without using a temporary buffer, write a method that will delete any duplicates from the linked list?
What is the minimization factor and time complexity of b-tree?
Differentiate between collection and collections.
What is the minimum number of queues needed when implementing a priority queue?
What do you mean by balance factor of a node in avl tree?
What is the use of data structure?
Define a linear and non linear data structure.
Why do we need algorithm?
How does a selection sort work?
an array t[100] which contains numbers between 1..99. Return the duplicated value. Try both O(n) and O(n-square).