type of inheritance is illustrated by the following code
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Q: Which type of inheritance is illustrated by the following code? class student{ public: int marks;…
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
Which type of inheritance is illustrated by the following code?
class student{ public: int marks; };
class topper: public student { public: char grade; };
class average{ public: int makrs_needed; };
class section: public average{ public: char name[10]; };
class overall: public average{ public: int students; };
a) Single level
b) Multilevel and single level
c) Hierarchical
d) Hierarchical and single level
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- Which type of inheritance is illustrated by the following code? class student{ public: int marks; };class topper: public student { public: char grade; };class average{ public: int makrs_needed; };class section: public average{ public: char name[10]; };class overall: public average{ public: int students; }; i Single levelii Multilevel and single leveliii Hierarchicaliv Hierarchical and single levelMark the following statements as true or false. a. In single inheritance, a base class can create only one derived class. (1) b. The public members of a base class can only be inherited as public members in the derived class. (2) c. To redefine (or override) a member function of the base class in the derived class, the corresponding member function must have the same name, number, and type of parameters. (3) d. If the derived class does not override a public member function of the base class, you may specify a call to that public member function by using the name of the function and the appropriate parameter list. (3) e. The constructor of a derived class can specify a call to the constructor of the base class in the heading of the function definition. (4) f. The constructor of a derived class can specify a call to the constructor of the base class using the name of the class. (4) g. Suppose that x and y are classes, one of the member variables of x is an object of type y, and both classes have constructors. The constructor of x specifies a call to the constructor of y by using the object name of type y. (4) h. When the destructor of the derived class executes, it automatically invokes the destructor of the base class. (5) i. The class ios is the base class for all stream classes. (7) j. In protected inheritance, the private members of the base class are protected members of the derived class. (8) k. In composition, one or more members of a class are objects of another class type. (9)(JAVA) Create a class hierarchy to represent the different types of employees in an office who have the following job titles: manager, assistant, salesperson. Write an abstract base class called Employee that declares an abstract method: signature double calculateSalary() This class must also define the following attributes: name (String type), enrollment (String type) and base_salary (double type). Use encapsulation and provide a constructor that receives the corresponding values to be stored in the respective attributes. This abstract class must be extended by the other classes representing the types of employees, so the classes Manager, Assistant and Salesperson must be written. In each class you must override the method calculateSalario so that the salary calculation is done like this: The manager receives twice the base_salary, the assistant receives the base_salary and the salesperson receives the base_salary plus a commission defined in the constructor of his class. Create a…
- Consider a base class Employeewhich contain basic information of an employee such as: Name(string) Address(string) Id(int) Gender(string) Now create two constructors A default constructor to initialize the data member with default values, A four-argument constructor to initialize data field with user-define values ( must use this key word). Getter and setter function to set and get values of data fields. Derives two classes to show Hierarchical inheritance. A departmentclass which extends the base class employee also have some its own information such as: Department Name(string) Department Id(int). Now create two constructors a default constructor to initialize the data member with default values, a parameterized constructorto initialize data field with user-define values. Appropriate getter and setter function to set and get values of data fields. A display method to show all the records of employee along with department information. Create another child class Loanwhich extends the…Consider a base class Employee which contain basic information of an employee such as:Name(string)Address(string)Id(int)Gender(string)Now create two constructors A default constructor to initialize the data member with default values, A four-argument constructor to initialize data field with user-define values ( must use this key word). Getter and setter function to set and get values of data fields.Derives two classes to show Hierarchical inheritance.A department class which extends the base class employee also have some its own information such as:Department Name(string)Department Id(int).Now create two constructors a default constructor to initialize the data member with default values, a parameterized constructor to initialize data field with user-define values. Appropriate getter and setter function to set and get values of data fields. A display method to show all the records of employee along with department information.Create another child class Loan which extends the base…Lab 12. Java Inheritance Use of Inheritance Inheriting Data members and Methods Constructor in inheritance Multilevel Inheritance Exercise: Create a class called Employeewhose objects are records for an employee. This class will be a derived class of the class Person. An employee record has an employee's name (inherited from the class Person), an annual salary represented as a single value of type double, a year the employee started work as a single value of type intand a national insurance number (inherited from the class Person), which is a value of type String. Write another class containing a main method to fully test your class definition. Your class should have a reasonable number of constructors (use both default constructor and constructor with parameters) and accessor methods: 1) to display all people in alphabetical order 2) to display only employees in alphabetical order 3) to find name of a employee based on national insurance number 4) to filter for…
- 2. Which of the following occurs when we have many classes that are related to each other by inheritance? Select one: a. Linear Data Structure b. Inheritance c. Encapsulation d. Polymorphism1. The inheritance concept enables certain properties of a superclass to be inherited by its subclasses. Complete the following tasks: (a) Define a class named side_dish that inherits the properties of the Pizza class. (b) Declare a private instance variables named NoItem, price and quantity in side_dish class. (c) Define a public instance method named display () that will display all the data of the side_dish object. Include another default instance method named changeQuantity (int q) that will assign its argument o the side_dish object’s Quantity. (please show screenshots of the code in netbeans) java programming: Write a console-based C# app that uses the concept of inheritance to model motor vehicles as follows: 1. Define an abstract class named MotorVehicles that has the following four abstract methods: a. void driveForward() b. void stop() c. void driveBackward() d. void turn(string direction) 2. This abstract class should: • have the following properties: o make (string) o model (string) o year (int) o weight (float or double) • have a default constructor • have a 4-argument constructor • should override the Equal() method o Two MotorVehicle objects are equal if and only if they have the same make, the same model, the same year, and the same weight • should override the toString() method 3. Derive the following 2 subclasses from the MotorVehicle class: a. A class named Truck. This class should i. have the following property • cargo_bed_size (float or double) ii. a constructor that conforms to the rules of constructors in the context of inheritance iii. a method named printTruck() that…
- Create an Animal class, with attributes name, age. Create classes Dog2, Cat2, Fish2, Bird2 to inherited from Animal class. Create PetOwner2 class to test the inheritance and polymorphism. please share a screen shot of the code.Java Program Class OvernightPackage should inherit directly from class Package and contain an additional data member representing type of package and service fee for overnight delivery. Fee is computed depending on the weight of the package. Create the following for class TwoDayPackage Compute cost Provide appropriate constructors Override toString to include attributes of subclass Use the attached photo below for reference:You will define three objects class Person, BookAuthor, and Book. Class Person involves a person's identity. Class BookAuthor involves a collection of books or book titles. Class Book involves the number of books in stock , book title and price. Design the three classes: The classes must use an appropriate inheritance relationship. Each class must have a constructor. Each class has at least two private data members and you must include accessors. You must test your classes by creating a BookAuthor object and printing the Person, Book and BookAuthor values from a function you create inside of BookAuthor. Make sure you use the book object correctly and put it inside of BookAuthor. in pytgi