Redefining parent class method implementation in child class is called as Answer: A class Car and its subclass BMW both have a method run) which was written by the programmer as part of the class definition. If j refers to an object of type BMW, what will the following code do? jrun); run() method of Car will be called O run) method of BMW will be called Compiler error because run() is defined in both the classes

Q: Write a program using method overloading and constructor overloading to do the following tasks. a)…

A: public class Speed { //declaring variables private double U; private double A; private double K;…

Q: Which of the following statements is true? The method numberOfEmployee() in class Company must have…

A: The correct answer is Option (b) - Class Company must be defined abstract.

Q: Can we use a default constructor of a class even if an explicit constructor is defined?

A: 1) The default constructor is the no-argument constructor automatically generated unless you define…

Q: en the inheritance is private, the private methods in base class are * .in the derived class (in…

A: Ans.) Option B i.e. Unreachable. Expalanation:- When the inheritance is private, the private…

Q: Write a program using method overloading and constructor overloading to do the following tasks. a)…

A: Given:

Q: A class type cast can be used to force an object reference to be converted nto another object…

A: type cast is process of converting one type into another type. It could be implicit or explicit

Q: When class B is inherited from class A, what is the order in which the constructers of those classes…

A: Given that, When class B is inherited from class A, what is the order in which the constructors of…

Q: So why is it important for a class to have its own destructor?

A: When an object is intentionally destroyed by making a call to the 'delete' method, the destructor…

Q: class Al void methodA(){ } void methodB(); } class B extends A{ void methodA(){ } } O class A should…

A: 1. The correct option is- everything is okay Explanation: The given code is: abstract class A{ {}…

Q: Part I: Create a UML diagram for this assignment  PartII:  Create a program that implements a class…

A:

Q: Why is the implementation of a destructor by a class required?

A: Introduction: Unless we have dynamically allocated memory or a pointer in the class, the default…

Q: (iii) Define an Accessor method showDetails() to display the class data. Define a Mutator method…

A:

Q: An unspecified data type can be used for both the parameters and the return type just for abstract…

A: All variables  must have a data type. So option 1,3, and 4 are incorrect

Q: en the code: class Parent { protected:     string pobj; } class Child { protected:     string…

A: It is defined as a mechanism in which one object acquires all the properties and behaviors of a…

Q: If a class is derived privately from the parent class then . Select one: a.the compiler gives an…

A: The statement given is:- If a class is derived privately from the Parent class then . . .

Q: Premise: Class B is a subclass of Class A. Class C is a subclass of Class B. Is the following code…

A: In this code. We make the object of Class B is b and Class C is c. But we don't make the object of…

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A: Define a Shape class with methods calculateArea() and calculatePerimeter(). Define a Triangle class…

Q: Declaring a class virtual transforms it into an abstract class. T/F

A: Introduction: When it comes to object-oriented programming, a virtual class is a form of class where…

Q: have the same (x, y) Section 8.4: Encapsulation 22. What is abstraction? How do objects provide…

A: NOTE: The class Point is not given. So, the class Point is created before adding methods setX and…

Q: Why is the implementation of a destructor by a class required?

A: Destructors are used to deallocate the previously allocated memories for members of the class. i.e…

Q: Why is a destructor required for a class to implement?

A: Unless we have dynamically allocated memory or the pointer in the class, the default destructor…

Q: If Class A inherits from Class B, we say that Class B is the subclass and Class A is the superclass.

A: Introduction: In OOPs, a class is a logical entity, whereas an object is a tangible thing. Objects…

Q: Write statement that will call static method m1() that is defined in class c1

A: As You Not mentioned Language So I am providing answer in java. Lets Take an Example class c1{    //…

Q: QUESTION 1 Write a program to demonstrate the overriding method in a derived class. The program…

A: ALGORITHM:- 1. Declare the B1 base class and D1 and D2 derived classes. 2. Override the M1()…

Q: The intent of the factory method pattern is to allow a class to differ . to subclasses Select one:…

A: We know that the meaning of keyword instantiation is that, the new operator will instantiate a class…

Q: QUESTION 2 A protected member of a class may be directly accessed by O methods of the same class…

A: Given:

Q: Following the UML diagrams you designed, code the class

A: # include<iostream> using namespace std; class DamConstruction { int length, width,depth;…

Q: Why is a destructor required for a class to implement?

A: Class to Implement: To implement an interface, use the term implements. Using the term interface, a…

Q: Java Program: Problem 8: Account Management System Suppose there is an account management system…

A: 1. Account class will be an abstract class and classes SavingsAccount and BasicAccount are its child…

Q: Why is a destructor required for a class to implement?

A: Definition: When an object leaves the scope of its member function or is specifically destroyed by a…

Q: Why do classes need destructors?

A: In object-oriented programming, classes are used to define objects that encapsulate both data and…

Q: Match the following: A constructor methods . A class that contains no methods (other than…

A: given data

Q: What happens if you try to override a non-virtual or final method in a derived class?

A: In object-oriented programming, overriding is a mechanism that allows a derived class to provide its…

Q: class A{}; class B{}; int main() { A obl,ob2; B ob3; ob3=ob2; } (a)Why does Overloading occur? Is…

A: Here i explain it: ============================= given code we run it so saw the compilation error :…

Q: UESTION 16 What must be true of a class with one abstract method? O The class must also implement…

A: 16) The abstract method must have the static modifier 17)   Because we're using an array, all pets…

Q: The process of forming a new class from an existing class. a. Abstraction b. Polymorphism c.…

A: Question The process of forming a new class from an existing class. a. Abstraction b. Polymorphism…

Q: To what use does it serve for a class to have its own destructor?

A: INTRODUCTION: A destructor is a member function of an instance that is automatically called whenever…

Q: When a concrete class inherits from an abstract class, you have to implement all abstract methods…

A: If we define any class an abstract class that means it contains some abstract or non abstract method…

Q: Describe the class design guidelines.

A: General goals for building a decent class Having a decent usable interface Implementation…