(T/F) ______ A base class pointer/reference may contain the address of an object of the base...
(T/F) ______ A base class pointer/reference may contain the address of an object of the base class or an object of classes derived from the base class.
Homework Answers
True
Base class pointer /reference can point to its object of its child class object. With help of this we can achieve the dynamic binding or late binding
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(T/F) ______ A base
class pointer/reference may contain the address of an object of the
base...
Which of the following assignments would be an error without a cast? Assigning the address of...
Which of the following assignments would be an error without a cast? Assigning the address of a base-class object to a base-class pointer. Assigning the address of a derived-class object to a derived-class pointer. Assigning the address of a base-class object to a derived-class pointer. Assigning the address of a derived-class object to a base-class pointer.
A) Suppose you have a class called base which has been inherited by a class called...
A) Suppose you have a class called base which has been inherited by a class called derived. ( both classes have public, protected and private members ) What can a client of derived access within the class base ? What can the class derived access within the class base ? B) Suppose you have a class called more which has a private object of a class called simple. ( both classes have public, protected and private members...
Suppose the base class and the derived class each have a member function with the same...
Suppose the base class and the derived class each have a member function with the same signature. When you have a pointer to a base class object and call a function member through the pointer, discuss what determines which function is actually called—the base class member function or the derived-class function.
8. Virtual function is class function which expected to be redefined in class, so that when...
8. Virtual function is class function which expected to be redefined in class, so that when reference is made to derived class object using pointer then we can call virtual function to execute class definition version. [3] a) Base, derived, derived b) Derived, Derived, Derived c) Base, derived, base d) Base, base, derived
In Exercise 1, displayAnimal uses an Animal reference variable as its parameter. Change your code to...
In Exercise 1, displayAnimal uses an Animal reference variable as its parameter. Change your code to make the displayAnimal function anim parameter as an object variable, not a reference variable. Run the code and examine the output. What has changed? Polymorphic behavior is not possible when an object is passed by value. Even though printClassName is declared virtual, static binding still takes place because anim is not a reference variable or a pointer. Alternatively we could have used an Animal...
In this laboratory, we are going to build a base class and a collection of derived...
In this laboratory, we are going to build a base class and a collection of derived classes. Write the code to implement the class Person. A person has a name, address,telephone number and and E-Mail address. Be sure to include accessor functions to return each of these values. Create a derived class Student which has a class status (freshman, sophomore, junior, or senior). Create a derived class Employee which has the attributes office, salary, and date hired. Now define a...
This is In C++ only Thank you 2. Employee is a base class and Hourly Worker...
This
is In C++ only
Thank you
2. Employee is a base class and Hourly Worker is a derived class. Which statement about the destructors of both classes is true? al They should be declared virtual u Declaring them virtual or not does not make any difference c) They should be implemented as friend functions d) The destructor of HourlyWorker must be virtual whereas the destructor of Employee should 3. If a base class has a non-virtual member function called...
A virtual function is called using a reference to a base class. Discuss if the function...
A virtual function is called using a reference to a base class. Discuss if the function in base class is called or the function in the derived class and why?
URGENT! Consider the following code for the definition of a Home object: 1 This class also...
URGENT!
Consider the following code for the definition of a Home object: 1 This class also contains getters, setters and a _str_method for it's owner and address attributes. class Home: def __init__(self, owner, address) self_owner owner, sell_address address Create a (derived) Apartment class that inherits from the Home class, but also has an attribute called rental price. Implement the Apartment class to inherit from the base Home class and contains all appropriate methods that need to be written for this...
please write the code in C++ 2 Base class File 3 Derived class PDF 3.1 Class...
please write the code in
C++
2 Base class File 3 Derived class PDF 3.1 Class declaration • The class PDF inherits from File and is a non-abstract class 1. Hence objects of the class PDF can be instantiated. 2. To do so, we must override the pure virtual function clone) in the base class • The class declaration is given below. • The complete class declaration is given below, copy and paste it into your file. . It is...
8. Virtual function is class function which expected to be redefined in class, so that when reference is made to derived class object using pointer then we can call virtual function to execute class definition version. [3] a) Base, derived, derived b) Derived, Derived, Derived c) Base, derived, base d) Base, base, derived
This
is In C++ only
Thank you
2. Employee is a base class and Hourly Worker is a derived class. Which statement about the destructors of both classes is true? al They should be declared virtual u Declaring them virtual or not does not make any difference c) They should be implemented as friend functions d) The destructor of HourlyWorker must be virtual whereas the destructor of Employee should 3. If a base class has a non-virtual member function called...
URGENT!
Consider the following code for the definition of a Home object: 1 This class also contains getters, setters and a _str_method for it's owner and address attributes. class Home: def __init__(self, owner, address) self_owner owner, sell_address address Create a (derived) Apartment class that inherits from the Home class, but also has an attribute called rental price. Implement the Apartment class to inherit from the base Home class and contains all appropriate methods that need to be written for this...
please write the code in
C++
2 Base class File 3 Derived class PDF 3.1 Class declaration • The class PDF inherits from File and is a non-abstract class 1. Hence objects of the class PDF can be instantiated. 2. To do so, we must override the pure virtual function clone) in the base class • The class declaration is given below. • The complete class declaration is given below, copy and paste it into your file. . It is...
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