Why do we need a data structure?
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how to search an element in sorted linked list with time complexity is O(log n).
Explain merge sort algorithms.
What are hash tables good for?
How to get the index of an array element?
Which data structure is needed to convert infix notations to post fix notations?
How is bubble sort done?
What is the complexity of bubble sort?
Explain the most efficient method to reverse a linked list?
What is Doubly link list?
Is array a dynamic data structure?
How does a heap sort work?
Can arraylist contain null?