Create an implementation of mergesort that uses k-way merges rather than 2-way merges. Analyse your algorithm, formulate a theory about the ideal value of k, and conduct tests to support your theory.

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A: provide a simple JAVA code sample of Merge sort and describe the benefits of using the merge sort.…

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A: The solution for the above given question is given below:

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Hash Table

A hash table also called a hash map, is a data structure that maps key-value pairs. The hash table can be used in complex systems to provide fast access and compact storage. A hash table is a structure that stores data in an abstract data type kind of associative array. It keeps data in an array format, with a distinct index value for every data value. If the index of the required data is known, then the data can be accessed very easily.