Write a test program which initializes each class object and shows execution order of constructor and destructor by printing appropriate messages.
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a c++ program in which class A is base class for class B. While Class C is derived from class B and class D is derived from class E. Provide explicit implementation of default constructors and destructors. Write a test program which initializes each class object and shows execution order of constructor and destructor by printing appropriate messages.
Modify the above classes and provide overloaded constructor implementation for each class. (Note: Use base initialize for this purpose)
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Solve as soon as possible
use oop concepts
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- IN C++ Create a parent class for Student class. Parent class should be named HUMAN. Add at least 2 attributes to HUMAN class. Test your code by creating an instance of Student filling all attributes (including attributes in parent class). Print all the information using the proper function (as in previous activities). A screenshot showing the code in Visual Studio and the output (on the console screen).Language: C++ Create a class named City. Assume that a city has a name, a number of inhabitants, a mayor and an area (in km²). Then create three instances of this class: Bremen, Paris and London. Provide suitable setter and getter methods for each of these properties. The class declaration has to be placed into City.h, the class definition has to be placed into City.cpp and the test program where the instances are created has to be in testcity.cpp. You can set the needed data from the main () function by initialization or read it from the key- board.For each of the following two code sketches complete the following three steps: Use abstraction and information hiding to improve the design of the code sketch. Your answer should be in form of a code sketch (i.e., make the design clear by providing class names, method names, and examples of how classes and objects will be used). Do not construct an entire detailed program. Describe the negative consequences of poor use of abstraction and information hiding in each code sketch. Describe how your use of abstraction and information hiding avoids the negative consequences listed in the previous step. class Vehicle { } public enum FuelType { DIESLE, ELECTRIC, HYDROGEN, LNG, JET_FUEL } public FuelType fuelType; public void add Fuel (double amount) { if (fuelType == FuelType.DIESEL) { // code for adding diesel fuel... } else if (fuelType == FuelType.ELECTRIC) { // code for adding electric fuel... } else if (fuelType == FuelType.HYDROGEN) { // code for adding hydrogen fuel... } else if…
- Implementation: After analysing the given requirements, implement the required application: with Object Oriented Programming style following the rules of good programming style (e.g. adding comments, etc.) using only the material covered in M251 (and its prerequisites) Hints: For each class, it is required to implement constructors, setters, getters, toString() method, and any other necessary method • If the user tries to do an operation that could violate the state of objects, the operation should be ignored and the application should display an error message (e.g. adding a worker to the same workshop twice, etc.) Checking equality of any 2 objects should be done via the equals() method There is a class that will do the main job of keep tracking of the workshops as follows: o t has one collection to store the whole data (all workshops of all product lines) It has static methods, one for each operation happens frequently For each adding or removing operation, a message should be…Implement a nested class composition relationship between any two class types from the following list: Advisor Вook Classroom Department Friend Grade School Student Teacher Tutor Write all necessary code for both classes to demonstrate a nested composition relationship including the following: a. one encapsulated data member for each class b. inline default constructor using constructor delegation for each class c. inline one-parameter constructor for each class d. inline accessors for all data members e. inline mutators for all data membersUse C++ Create a class called Fruit. Add one member variables name. Add only one getter function for the name. The get function returns name. Implement a constructor that expects name value and assigns it to the member variable. This class doesn't have an empty constructor. Create a subclass of Fruit named CitrusFruit. The CitrusFruit class has two member variables weight and color. Add a constructor which expects weight and name and color.Pass name to the base constructor and set weight and color to it's member variable. Write a program that has an array of 3 Fruits, and an array of 3 CitrusFruits. Feel free to give the name , weight and color to the object as your choice. Use loops to print out the array properties to the terminal screen.
- 1. Create a Student class that implements the Person interface. As well as storing the students name and email, also store their course grade (e.g A, B, C) in a member variable. The grade should be accessible via a getGrade method. For the implementation of getDescription return a message along the lines of “A C grade student”, substituting the students actual grade.2. Create a Lecturer class that implements the Person interface. This class should also store the subject that the lecturer teaches. Add a getSubject method, and implement getDescription so that it returns a suitable message, e.g. “Teaches Biology”.3. Create a third class, Employee that implements the interface. This should also store the name of the department the Employee works in (available via getDepartment). Again, getDescription should return a suitable message.Part (1) Define a class with the following specification: The class name is Exam with three private data members: exam course code (String), exam score (double) for the student, and maximum exam score maxScore (double). b. Write a constructor that initializes all the data members of the class from its parameters. If maxScore is less than score, then set them to zero and print a message for this change. Provide an accessor (get) method and a mutator (set) method only for the score data member. Make sure that the new score in the set method does not exceed maxScore, otherwise leave the current value of score unchanged. d. Define a method called addBonus() that adds a given bonus score, as input parameter, to the student's score. If the new score after adding the bonus exceeded the maximum score, then set score to maxScore. Define a method called percentage() that returns the exam percentage out of 100. Define a method called displayExamDetails() to display on the screen exam details as…Write a program to model a student class with roll number and name as the sensitive information. Initialize default values for the sensitive information using a default constructor, use a copy constructor to copy from another object, use a member function to take user input and update the name and roll number and display the same using another member function. b.Add constructor overloading to the above code and enable initialization of name, roll number via constructor arguments. NAME ROHI ROLLNO 18
- Design and implement a Restaurant class with at least three meaningful attributes and two methods. Implement a test program which creates at least two instances of the restaurant class and calls all the methods. Some possible attributes are name, numberOfTables, cuisine, numberOfReservations, capacity, etc. Some possible methods are make Reservation, checkAvailability, etc. Note the following: -All properties must be declared as private and you need accessor and mutator methods for each property. - You need to define at least one constructor. Documentation o Include header comments that include description of the program. o Include body comments o Consistent indentations o Consistent white line spaces Properties are declared as private o Accessor and mutator methods are created o At least one default constructor o At least two instances are createdWhat statements about the destructor of an object are accurate? a. The destructor of a class is a member function that is automatically activated when an object becomes inaccessible. b. The destructor has no arguments and its name must be the character ~ followed by the class name (e.g., ~bag for the bag class). c. Because the destructor is automatically called, programs rarely make explicit calls to the destructor, and we generally omit the destructor from the documentation that tells how to use the class. d. The primary responsibility of the destructor is simply releasing dynamic memory. c & d a, b, & c b & c a & b a, b, c, & dIn C++ by using all header files and source files construct this: Create a Human class with the following features: Each Human needs a name, an age, and some phrase that they say. Each Human needs appropriate getters and setters for all attributes. For every interaction with this human, increment the age by 1 year. Default constructor with no arguments. Constructor that takes name, age, and phrase arguments. Create a driver to demonstrate all of the features of your Human class. The driver is the only class with main().The driver must create a dynamic array of Human Objects of some user defined size. This requires prompting the user for a number of Humans to create.Be sure to iterate through your array of Humans. Interact with every Human object. Demonstrate ALL features of the Human class. The Human class must to be defined in a header file with no implementation. Additionally, create an implementation file with all of the Human implementation code.