Java: An Introduction to Problem Solving and Programming (7th Edition)
Java: An Introduction to Problem Solving and Programming (7th Edition)
7th Edition
ISBN: 9780133766264
Author: Walter Savitch
Publisher: PEARSON
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Chapter 12.3, Problem 27STQ

Explanation of Solution

Modified method definition of “insertNodeAfterCurrent”:

The modified definition of “insertNodeAfterCurrent” in “StringLinkedListWithIterator” class is given below:

//Modified method definition of "insertNodeAfterCurrent"

public void insertNodeAfterCurrent(String newData) throws LinkedListException

{

  /* Create an object "newNode" from "ListNode" */

  ListNode newNode = new ListNode( );

  /* Assign "data" value at "newNode" to "newData" */

  newNode.data = newData;

  /* If the current node is not equal to "null", then */

  if (current != null)

  {

/* Assign "link" value at "newNode" to "link" value at "current" */

  newNode.link = current.link;

/* Assign "link" value at "current" to "newNode" */

current.link = newNode;

  }

  /* If the head node is not equal to "null", then */

  else if (head != null)

  {

  /* Throws an exception message */

throw new LinkedListException("Inserting when iterator is past all " + "nodes or is not initialized...

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Java: An Introduction to Problem Solving and Programming (7th Edition)

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