Introduction to Java Programming and Data Structures, Comprehensive Version, Student Value Edition (11th Edition)
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Chapter 23.6, Problem 23.6.1CP

Explanation of Solution

Complete binary tree:

  • A binary tree is said to be a complete if every level of the tree are full except the last level.
  • The last level need not be full and all the leaves on the last level are placed left most.

Heap:

  • A heap is considered to be binary tree if it has following properties
    • When it is complete binary tree.
    • Every node is greater than or equal to its children.

Remove the root:

  • The maximum elements need to be removed, and which will be the root of the heap.
  • After removing the root node the heap needs to be rebuilt to maintain the heap property.
  • A node is removed using the “remove()” method

Steps in remove the node:

The below are the steps to remove a node:

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