When would you use a hashmap?
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Which is better hashmap or arraylist?
What is the complexity of adding an element to the heap?
Why do we use arrays?
What is a minimum spanning tree?
What is the best sorting technique?
Why we need cursor implementation of linked lists?
In the given binary tree, using array you can store the node 4 at which location? 1 2 3 - - 4 - - 5
What is a stable algorithm?
Write a program to insert an element and in the specific position in the array?
What are examples of data structures?
What is binary tree and its types?
What is data structure and its types?