Write an efficient java method that computes and returns the height from node t in a btree of any degree. Please write proper comments. Your java code should not read or print anything.  Assume btree node is defined as follow:               private class node{ int count, data[];  node parent, link[]; } // end class node private int height(node t){

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Merge sort

Merge Sort recursively sorts a given collection of numbers or elements by using the divide and conquer strategy in less time. It is one of the most used algorithms, with the worst-case time complexity of O (n log n). It was invented by John Von Neumann. The algorithm continuously divides an array into sub-arrays until each sub-array consists of a single element. It then merges those sub-arrays to produce a sorted array.