A max heap is a complete binary tree in which the value of a node is greater than or equal to the values of its children. Max Heap data structure is useful for sorting data using heap sort.

In this tutorial, we will cover everything you need to know to implement max heaps in java from scratch.

Implementation of a Max Heap Data Structure in Java

We represent a heap using an array. Since the heap is a complete binary tree, there is no wastage of space.

For example, let’s consider a heap as follows :

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