From 0 to 1 Data Structures & Algorithms in Java - Heap Sort Phase II - The Actual Sort

The video tutorial explains the process of heapifying an unsorted array and implementing heap sort. It covers helper methods for heap operations, such as calculating child and parent indices and swapping elements. The percolate down method is detailed, showing how it maintains the heap property. The tutorial then demonstrates the two phases of heap sort: heapifying the array and transforming it into a sorted array. Finally, it discusses the code for heapsort and analyzes its time and space complexity.

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