Data Abstraction & Problem Solving with C++
Walls and Mirrors
(7th edition)


Frank M. Carrano

University of Rhode Island


Timothy M. Henry

New England Institute of Technology

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Errata List

Last updated on February 8, 2019.
The date after each error is the date it was posted on this list. Subsequent printings of the book will correct these errors.

If you find an error and it is not on this list, please e-mail a description of the error, the page number, and the tile/edition of the book.

Chapter 1

Page 25 (Apr. 7, 2016)
Add #endif as line 56 to the listing at the top of the page.

Chapter 2

Page 90 (Apr. 27, 2016)
Exercise 10b: The sample call to writeBlock should be
writeBlock( '*', 3, 5)

Page 91 (Apr. 7, 2016)
The data type for result is missing in the second line on the page:
int result = mystery(30);

Page 91 (Apr. 27, 2016)
In Exercise 14, add a new-line character to the cout statment in the main function as follows:
std::cout << "The value of f(8) is \n" << f(8) << std::endl;

Chapter 3

Page 100 (Apr. 27, 2016)
In line 32 of Listing 3-1, precede vector with std:: as follows:
std::vector toVector() const;

Page 102 (Apr. 27, 2016)
In the method toVector, std:: is missing twice as follows:

template<class ItemType>
std::vector<ItemType> ArrayBag::toVector() const
   std::vector bagContents;

Interlude 2

Page 119 (Nov. 19, 2017)
In the line of text right after the 10 lines of code, replace otherItem with hammerItem: "Since hammerItem has already been stored in the magic box, specialItem should . . ."

Page 125 (Apr. 7, 2016)
In Listing C2-2 at the bottom of the page, change the method name fixedLeak in line 13 to unleakyMethod.

Chapter 4

Page 147 (Feb. 8, 2019)
Revise the first bullet at the top of the page, as follows:

Chapter 5

Page 271 (Nov. 29, 2018)
The third line of italic text should be

<postfix> <postfix2> <operator>

Page 272 (Nov. 29, 2018)
Segment 5.2.4, Paragraph 3, Line 5: Change "Programming Problem 9" to "Programming Problem 8"

Chapter 10

Page 321 (May 27, 2016)
Revise Exercise 3d by moving the occurrence of n, as follows:
d. Displaying all n names in an array of n linked chains

Chapter 12

Page 371 (Apr. 7, 2016)
The comment in line 60 of Listing 12-1 should end with */.

Page 389 (May 27, 2016)
In Exercise 1b, we assume that spherePtr points to an instance of Sphere, and ballPtr points to an instance of Ball.

Chapter 13

Page 412 (May 27, 2016)
In Exercise 13, replace aQueue in the third and fourth axioms with Queue() three times.
Thus, those two axioms should be
(Queue().enqueue(item)).dequeue() ==> Queue()
(Queue().enqueue(item)).peekFront() = item

Chapter 14

Page 432 (June 9, 2016)
In the definition of the method dequeue, replace removedSorted with removed.

Chapter 15

Page 471 (June 9, 2016)
Exercise 6 is the same as Exercise 3a in Chapter 16. Wait until then before solving it.

Page 474 (June 9, 2016)
In the first line on the page, which is part c of Exercise 20, delete the word "formal."

Chapter 16

Page 491 (June 9, 2016)
In the third line of the pseudocode at the top of the page, change
curPtr = nodeStack.peek().

Page 511 (June 9, 2016)
Exercise 9: Replace the first sentence with "Trace the nonrecursive inorder traversal algorithm for the binary search tree pictured in Figure 16-4." In the second sentence, delete the word "implicit."

Exercise 11: Change 13 to 14.

Chapter 17

Page 524 (Apr. 7, 2016)
Line 5 of Listing 17-2 should be #include <memory>

Chapter 18

Page 558 (Apr. 7, 2016)
In the header of the method add near the bottom of the page, a comma is misplaced. The code should be as follows:
bool ArrayDictionary::add(const KeyType& searchKey,
                          const ValueType& newValue,)

Page 584 (July 17, 2016)
Delete the duplicate occurrence of nextEntryPtr in Line 22 of Listing 18-5.

Chapter 20

Page 647 (Apr. 27, 2016)
The third statement in the list of three statements at the beginning of the page should be numbered "3" instead of "2."

Page 661 (July 17, 2016)
The graph in Figure 20-36 is for only Exercise 10.

(End of errata)