In order to implement hybrid inheritance, there is a requirement for constructing a virtual base class.
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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:
In order to implement hybrid inheritance, there is a requirement for constructing a virtual base class.
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- Why is it necessary to create a virtual base class while using hybrid inheritance?When employing hybrid inheritance, why is it required to construct a virtual base class? Computer sciencePolymorphism : Write a driver program that uses a AECar reference variable to point to three different types of classes, showing that inheritance is one mechanism for using polymorphism.
- Computer Science A programmer has the task of maintaining a database of students of a large university. There are two types of students, undergraduates and graduate students. All of the students have the same personal information stored, line name, address and courses taken. Each student's GPA is computed, but differently for undergraduates and graduates. The undergraduate have their declared program. The doctoral candidates have information about their dissertations and faculty advisors. Model an inheritance class hierarchy for this database. you are to consider what the common data is and what the unique data would be for each. Work with the details provided above. Just create the class definitions with the constructors and instance variables.Instructions: modify the code below and add these features to this dice game: Multilevel Inheritance with polymorphism and includes at least one abstract class. Dynamic memory (new, delete) using pointers within a class. At least one template class. At least one operator overloading Add comments Program: File GamePurse.h: class GamePurse { // data int purseAmount; public: // public functions GamePurse(int); void Win(int); void Loose(int); int GetAmount(); }; File GamePurse.cpp: #include "GamePurse.h" // constructor initilaizes the purseAmount variable GamePurse::GamePurse(int amount){ purseAmount = amount; } // function definations // add a winning amount to the purseAmount void GamePurse:: Win(int amount){ purseAmount+= amount; } // deduct an amount from the purseAmount. void GamePurse:: Loose(int amount){ purseAmount-= amount; } // return the value of purseAmount. int GamePurse::GetAmount(){ return purseAmount; } File main.cpp: // include necessary…Inheritance is an OOP concept such that a class can be defined in different ways, such as either being typecasted to itself (as a subclass) or any of its superclasses. True False
- Inheritance Hierarchy Given the following classes, arrange them into an appropriate inheritance hierarchy (by just adding a Java keyword and a class name, you do NOT need to add fields and methods). Save each class in it's own file (e.g., the BakeryItem class in BakeryItem.java). Submit all of the files. public class BakeryItem{ /* fields and methods omited for brevity */ } public class FoodItem{ /* fields and methods omited for brevity */ } public class FrenchBreadItem{ /* fields and methods omited for brevity */ } public class FruitItem{ /* fields and methods omited for brevity */ } public class ProduceItem{ /* fields and methods omited for brevity */ } *Note: I have recieved information from my teacher stating, " For the exercise, your files should start with “public class ClassName”. If that class is inheriting from another class, then, it should have “extends ParentClass”. Furthermore, the file should be in ClassName.java."Inheritance, Polymorphism, ArrayLists, Throwing Exceptions The UML diagram below shows a set of classes designed to represent a music collection from 1995. The constructors and methods all function in the standard way, except: The equipmentRequired method should return “Record Player” or “CD Player” as appropriate.The getAlbum method of the NinetiesMusicCollection class accepts an index and returns the corresponding Album object. This method throws an IllegalArgumentException if the index is out of range. (This is the only exception you have to throw anywhere in your code.)In the NinetiesMusicCollection constructor, you can assume the ArrayList<Album> object passed as an argument is not null . Don’t worry about privacy leaks.Implement this set of classes in Java. Note the italics on the Class name “Album” and the method name “equipmentRequired” in the Album class.language: Java Class Inheritance with an abstract class Define a class Employee with the following fields: _name, _empId, _department, _position (_title), _yearlySalary, _fullTime (a boolean: true/false) , _month , _year (time of hire) Add constructor and properties Define an abstract method GetBiMonthlySalary() (if the employee is paid twice a month) Define an abstract method GetVacationTime() that returns the number of vacation time this employee would have based on time of hire Override the ToString() method to return a string that contains the information pertaining to an employee such as name, empId, department, and where full time or not. Define a class HourlyEmployee that inherits from Employee. This class should have 2 fields of its own: _hours (hours worked in half a month) and _wage (hourly wage) Provide necessary constructor, properties and methods Override the ToString() to also return the additional fields Gets 3 days of vacation after first year if the…