Question: Consider the Grand, Superb, and Magnificent classes defined in this chapter. Suppose pg is a type Grand * pointer that is assigned the address of

Consider the Grand, Superb, and Magnificent classes defined in this chapter. Suppose pg is a type Grand * pointer that is assigned the address of an object of one of these three classes and that ps is a type Superb * pointer.What is the difference in how the following two code samples behave?
if (ps = dynamic_cast(pg))
ps->say(); // sample #1

if (typeid(*pg) == typeid(Superb))
(Superb *) pg)->say(); // sample #2

Step by Step Solution

★★★★★

3.45 Rating (161 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

ANSWER The first code sample will cause a compile error because the assignment ope... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Introduction Java Program Questions!

Referential-integrity constraints as defined in this chapter involve exactly two relations. Consider a database that includes the following relations: salaried-worker (name, office, phone, salary)...

For each type of schedule defined in this chapter answer the following questions: a. Who prepares the schedule? b. Who updates the schedule? c. Who should present the data to the customers?

Relate business and financial risk as defined in this chapter to the risks

ret Electricity consumers are supplied with electricity from an electricity generating station. Electricity is distributed from the station to the various consumers through a network of transformers...

llustrate different ways of connecting these components together to span a range of performance requirements. [10 marks] For each of the performance categories that you identify state today's typical...

: (i) What data structures are maintained by the page manager. (ii) What happens when a machine performs a read operation to a page. (iii) What happens when a machine performs a write operation to a...

Please read the question Question : What are "spaced practice", "varied practice", and "interleaved practice"? Give a definition for each. Then give an example of each from your own experience as a...

Providing Quality School-Based Learning and Support Services 239 Chapter 6 Language and literacy support Your core task The core task of almost all TAs is to support students language and literacy...

Please read the "TealBay Bench Decision" and answer the following short questions. I have attached both files. Thanks, You have watched the documentary BLOOD SWEAT & BEER, and have been introduced to...

Please read the following and answer the questions. Questions are at the bottom. Constitutional Law INTRODUCTION Many people assume that a government acts from a vague position of strength and can...

Dickinson Company acquired the following portfolio of trading securities during 2020 and reported the following balances at December 31, 2020. No sales occurred during 2020. All declines are...

Define and briefly discuss the investment merits of each of the following. a. Blue chips b. Income stocks c. Mid-cap stocks d. American depositary receipts e. IPOs f. Tech stocks

Provide 5 examples of how clients may fraudulently manipulate inventory amounts. Explain why even a professionally skeptical auditor might fall victim to a client that is perpetrating such a fraud

Although benefits account for a large share of employee compensation, many feel there is little evidence on whether an employer receives an adequate return on the benefits investment. One suggestion...

Assume that we change the CreditCard class (see Code Fragment 1.5) so that instance variable balance has private visibility. Why is the following implementation of the PredatoryCreditCard.charge...

Give a short fragment of Java code that uses the progression classes from Section 2.2.3 to find the eighth value of a Fibonacci progression that starts with 2 and 2 as its first two values.

If we choose an increment of 128, how many calls to the nextValue method from the ArithmeticProgression class of Section 2.2.3 can we make before we cause a long-integer overflow?

26. Twitter is about to go public. The underwriter continues to adjust the offering price to ensure the success of the initial public offering (IPO) is the mostly like underwriting distribution of...

Firms HD and LD are identical except for their level of debt and the interest rates they pay on debt HD has more debt and pays a higher interest rate on that debt. Based on the data given below, what...

Stuart and Cassandra are in a common law relationship. After seven years both of them decided to become legally married through a justice of the peace in their home province. As their financial...