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Which data structure is used to perform recursion?
What is the top of a stack?
How would you reverse characters of an array without using indexing in the array.
What is mergesort and hashtable?
Which is better stack or queue?
What is the difference between classifying and sorting?
How does hashset maintain order?
Can we store primitives in collections?
What is difference between hashmap and linkedhashmap?
What is return map?
State the difference between arrays and linked lists?
What is a directed graph?
Given an array of integers, devise a program to replace every element with the next greatest element on the right side in the array. Also, replace the last element with 5 as there no element on the right side of it.
Can hashmap be sorted?
what is traversal in linked lists?
