BUILDING JAVA PROGRAMS-TEXT
BUILDING JAVA PROGRAMS-TEXT
5th Edition
ISBN: 2810023481209
Author: REGES
Publisher: PEARSON
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Chapter 17, Problem 11E
Program Plan Intro

A method “numberNodes()”

Program plan:

  • Define the method “numberNodes() ”,
    • Return the value obtained from the overloaded method “numberNodes()”.
  • Define the overloaded method “numberNodes() ”,
    • Check whether the root of the tree is null,
      • If it is true, decrement the count value and return the updated count value.
        • Otherwise,
          • Set the node value to the count value.
          • Assign the value obtained from the overloaded method “numberNodes() ” when passing the left child of the root, and count+1.
          • Assign the value obtained from the overloaded method “numberNodes() ” when passing the right child of the root, and count+1.
          • Return the updated count value.

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