Write a program to swap the values of private data members of a class named as class_1 and class_2 by using the concept of friend classes.
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Write a program to swap the values of private data members of a class named as class_1 and class_2 by using the concept of friend classes.
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- dayType Class We will be working on a project that designs a class calendarType, so that a client program can use this class to print a calendar for any month starting Jan 1. 1900. An example of the calendar for September 2019 is: September 2019 Sun Mon Tue Wed Thu Fri Sat 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 We will develop several classes which will work together to create a calendar. The first of these classes is called dayType which will manipulate a day of the week. The class dayType will store a day, such as Sun for Sunday. The class should be able to perform the following operations on an object of type dayType: a. Set the day. b. Print the day. c. Return the day. d. Return the next day. e.…PythonWrite in python. Write a class named Employee that has **private** data members for an employee's name, ID_number, salary, and email_address. It should have an init method that takes four values and uses them to initialize the data members. It should have get methods named get_name, get_ID_number, get_salary, and get_email_address.Write a separate function (not part of the Employee class) named **make_employee_dict** that takes as parameters a list of names, a list of ID numbers, a list of salaries and a list of email addresses (which are all the same length). The function should take the first value of each list and use them to create an Employee object. It should do the same with the second value of each list, etc. to the end of the lists. As it creates these objects, it should add them to a dictionary, where the key is the ID number and the value for that key is the whole Employee object. The function should return the resulting dictionary.For example, it could be used like…
- Write a program that declares two classes. The parent class is called Simple that has two data members num1 and num2 to store two numbers. It also has four member functions. The add() function adds two numbers and displays the result. The sub() function subtracts two numbers and displays the result. The mul() function multiplies two numbers and displays the result. The div() function divides two numbers and displays the result. The child class is called Complex that overrides all four functions. Each function in the child class checks the value of data members. It calls the corresponding member function in the parent class if the values are greater than 0. Otherwise, it displays error message. SUBJECT: OBJECT ORIENTED PROGRAMMING. WRITE CODE IN C++PythonIn C++ create a program that acts like a bank account. It asks the user whether to deposit or withdraw. That has 3 classes. The first class must be a generic class that holds basic info deposit, withdraw, calculate monthly interest rate, and a monthly service fee.The second class must be a savings account class that if the savings account falls below $25 it becomes inactive. The final class must be a checking account if someone withdraws more than what they have a service charge of $15 is added and go into a negative balance. The output should display the basic information how much someone deposited or withdrew and their monthly interest rate.
- IN C++, Create a class called Invoice that a hardware store might use to represent an invoice for an item sold at the store. An Invoice should include four pieces of information as instance variables - a part number (type String), a part description (type String), a quantity of the item being purchased (type int) and a price per item (double). Your class should have a constructor that initializes the four instance variables. Provide a set and a get method for each instance variable. In addition, provide a method named getInvoiceAmount that calculates the invoice amount (i.e., multiplies the quantity by the price per item), then returns the amount as a double value. If the quantity is not positive, it should be set to 0. If the price per item is not positive, it should be set to0. Write a test app named InvoiceTest that demonstrates class Invoice's capabilities.Suppose that a class is defined to represent a deck of cards or a player's hand in a card game. This class is implemented as below: A class, also, is defined to develop a card game in which a list of all players' names and their hand is stored. Part of the implementation of this class looks like the following code: A) Specify what should be the return type of getPlayersHand()? B) Assume that the cardGame is a composition of Deck. With this assumption, i) implemnt getPlayerHand(). ii) implement the overloaded constructor of Deck. No java methods can be used for part ii. C) Assume that cardGame is an aggregation of Deck. With this assumption, implement getPalyerHand(). D) An equals() method has been implemented for Deck class. Fill in the gaps to create a fully working equals() method.Write a program that declares two classes. The parent class is called Simple that has two data members’ num1 and num2 to store two numbers. It also has four member functions.· The add() function adds two numbers anddisplays the result.· The sub() function subtracts two numbersand displays the result.· The mul() function multiplies twonumbers and displays the result.The div() function divides two numbersand displays the result. The child class is called Complex that overrides all four functions. Each function in the child class checks the value of data members. It calls the corresponding member function in the parent class if the values are greater than 0. Otherwiseit displays error message.
- 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 membersIn C++ create a program that acts like a bank account. That has 3 classes. The first class must be a generic class that holds basic info deposit, withdraw, calculate monthly interest rate, and a monthly service fee.The second class must be a savings account class that if the savings account falls below $25 it becomes inactive. The final class must be a checking account if someone withdraws more than what they have a service charge of $15 is added and go into a negative balance. The output should display the basic information how much someone deposited or withdrew and their monthly interest rate.IN C++, create a class called Employee that includes three pieces of information as data members—a first name (type string), a last name (type string) and a monthly salary (type int). Your class should have a constructor that initializes the three data members. Provide a set and a get function for each data member. If the monthly salary is not positive, set it to 0. Write a test program that demonstrates class Employee’s capabilities. Create two Employee objects and display each object’s yearly salary. Then give each Employee a 10 percent raise and display each Employee’s yearly salary again.
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