Why is hashmap faster?
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Can we increase the size of statically allocated array?
Can hashset contain duplicates?
how to add an item to the beginning of the list?
how to search an element in sorted linked list with time complexity is O(log n).
What is ds heap sort?
What is the limit of arraylist?
How can avl tree be useful in all the operations as compared to binary search tree?
Differentiate between list and map.
What is array and structure?
Which sorting algorithm is the slowest?
What is a subtree?
Can we store null in arraylist?