public static int countLeaves (BinaryTree tree)Returns the number of leaf nodes in the tree.public static int countNonLeaves (BinaryTree tree)Returns the number of non-leaf nodes in the tree.public static int getHeight (BinaryTree tree)Returns the height of the tree.public static void print PreOrder (BinaryTree tree)Prints the elements of the tree using a pre-order traversal.public static void printInOrder (BinaryTree tree)Prints the elements of the tree using an in-order traversal.public static void print PostOrder (BinaryTree tree)Prints the elements of the tree using a post-order traversal.public static void removeLeaves (BinaryTree tree)Removes all leaf nodes from the tree. Use print PreOrder,printInOrder, or print PostOrder after calling removeLeaves to showthat removeLeaves successfully removed all leaves. 74242Tree #115Tree #26368895791For parts a through g, implement the given method and demonstrate the method working with thetwo trees provided earlier.All code implemented in this assignment should be in a class called Homework 6. You may use thedata structures and algorithm code from the lecture notes.Hint: Consider using recursion. To do so implement a private helper method that takes a Node andthen recursively calls itself to traverse the tree. The public method would call the private methodpassing the tree's root as the Node.

private int countLeaves(TreeNode node) { if (node == null) return 0; if (node.isLeaf()) { return…

public static int countLeaves (BinaryTree tree) Returns the number of leaf nodes in the tree. public static int countNonLeaves (BinaryTree tree) Returns the number of non-leaf nodes in the tree. public static int getHeight (BinaryTree tree) Returns the height of the tree. public static void print PreOrder (BinaryTree tree)

public static int countLeaves (BinaryTree tree) Returns the number of leaf nodes in the tree. public static int countNonLeaves (BinaryTree tree) Returns the number of non-leaf nodes in the tree. public static int getHeight (BinaryTree tree) Returns the height of the tree. public static void print PreOrder (BinaryTree tree)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Binomial Heap

A binomial heap is a group of binomial trees. This data structure acts as a priority queue and implements the merge operation faster.

Question

public static int countLeaves (BinaryTree tree)
Returns the number of leaf nodes in the tree.
public static int countNonLeaves (BinaryTree tree)
Returns the number of non-leaf nodes in the tree.
public static int getHeight (BinaryTree tree)
Returns the height of the tree.
public static void print PreOrder (BinaryTree tree)
Prints the elements of the tree using a pre-order traversal.
public static void printInOrder (BinaryTree tree)
Prints the elements of the tree using an in-order traversal.
public static void print PostOrder (BinaryTree tree)
Prints the elements of the tree using a post-order traversal.
public static void removeLeaves (BinaryTree tree)
Removes all leaf nodes from the tree. Use print PreOrder,
printInOrder, or print PostOrder after calling removeLeaves to show
that removeLeaves successfully removed all leaves.

7
4
2
4
2
Tree #1
1
5
Tree #2
6
3
6
8
8
9
5
7
9
1
For parts a through g, implement the given method and demonstrate the method working with the
two trees provided earlier.
All code implemented in this assignment should be in a class called Homework 6. You may use the
data structures and algorithm code from the lecture notes.
Hint: Consider using recursion. To do so implement a private helper method that takes a Node and
then recursively calls itself to traverse the tree. The public method would call the private method
passing the tree's root as the Node.

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