The size of an object is equal to the sum of the sizes of the class's data members and member functions." Justify the statement's accuracy.
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- Write a class ‘Box’ which has three members height, width and depth; To set values and use these members, write mutator and accessor functions for these members. (Hint: there would be 3 Accessor and 3 Mutator functions).Objective Create a class named Complex to represent complex numbers. Use the main() function and create at least three complex number objects and test all member functions of the Complex class. How to use classes. Create a program named LastnameFirstname19.cpp, that does the following: Note: There is no user input in this assignment. Copy and paste the Complex class definition from the previous assignment to this one. If you did not complete the previous assignment, you will need to create the class definition. Make any corrections to your Complex class based on the feedback provided from Assignment 18. Add the following member functions to the Complex class definition: Additional constructor with 2 parameters Signature: Complex(double realParam, double imaginaryParam) Allows a Complex object to be created with the specified real and imaginary parts. copy constructor Signature: Complex(const Complex ©Complex) Copies the data members from copyComplex to this object.…Rewrite the calculator program using a class called calculator. Your program will keep asking the user if they want to perform more calculations or quit and will have a function displayMenu to display the different functions e.g .(1 - addition, 2- subtraction, 3- multiplication, 4- division) Your program must have appropriate constructors and member functions to initialize, access, and manipulate the data members as well as : A member function to perform the addition and return the result A member function to perform the subtraction and return the result A member function to perform the multiplication and return the result A member function to perform the division and return the result
- Please written by computer source Problem Description:(The Account class) Design a class named Account that contains:A private int data field named id for the account (default 0).A private string data filed named first name for customer first name.A private string data filed named last name for customer last name.A private double data field named balance for the account (default 0).A private double data field named annualInterestRate that stores thecurrent interest rate (default 0). Assume all accounts have the sameinterest rate.A private Date data field named dateCreated that stores the date whenthe account was created.A no-arg constructor that creates a default account.A constructor that creates an account with the specified id, firstname, last name and initial balance.The accessor and mutator methods for id, name, balance, andannualInterestRate.The accessor method for dateCreated.A method named getMonthlyInterestRate() that returns the monthlyinterest rate.A method named withdraw…Use Python Programming Language (The Stock class) Design a class named Stock to represent a company’s stock that contains: A private string data field named symbol for the stock’s symbol. A private string data field named name for the stock’s name. A private float data field named previousClosingPrice that stores the stock price for the previous day. A private float data field named currentPrice that stores the stock price for the current time. A constructor that creates a stock with the specified symbol, name, previous price, and current price. A get method for returning the stock name. A get method for returning the stock symbol. Get and set methods for getting/setting the stock’s previous price. Get and set methods for getting/setting the stock’s current price. A method named getChangePercent() that returns the percentage changed from previousClosingPrice to currentPrice. Write a test program that creates a Stock object with the stock symbol INTC, the name Inte lCorporation, the…C++ OOP use classes only...
- Instructions: In the code editor, you are provided with the definition of a struct Person. This struct needs an integer value for its age, character value for its gender, and a struct Phone for its phone. Furthermore, you are provided with a displayPerson() function which accepts a struct Person as its parameter. Your task is to define a new struct called Phone. This Phone would need 3 properties: char type - which can either be 'I' for iPhone or 'A' for Android int ram - the number of RAM this phone has int storage - the number of storage this phone has Then, using this struct Phone you defined, create a Phone in the main() and ask the user for its type, ram, and storage. Next, create a struct Person and ask the user for its age and gender and then set its phone to the Phone you just created earlier. Finally, call the displayPerson() function and pass the Person. Input 1. The type of the Phone 2. The RAM of the Phone 3. The storage of the Phone 4. The age of the…computer programming (C++ language)In C++, Create a class called Date that includes three data members: amonth(type int), a day(type int), and a year(type int). The Date class willhave a constructor with three parameters to initialize the three data members.You may assume the values provided for the year and day are correct, but makesure that the month value is in the range 1-12; if it isn't, set the month to1. Provide set and get functions for each data member. Provide a memberfunction displayDate that displays the date in format MM/DD/YYYY.Write a test program that prompts the user to input the month, the day,and the year and uses your Date class to output the formatted date.
- C++ Assignment---This is an almost finished code, please complete it. Make changes if necessary. Objectives • To apply knowledge of classes and objects Instructions Implement all of the following, each in a separate Visual Studio project (and/or solution). 1. Define a class called CounterType to implement a simple counter. The class must have a private field (data member) counter of type int. You must also provide methods (member functions), including the following: a. A constructor to set the counter to the value specified by the user b. A constructor to set the counter to 0 c. A method to allow the user to set the counter to a value they specify d. A method to increment the counter by 1 e. A method to decrement the counter by 1 Your code must ensure the value of counter is never negative. If the user calls a method to attempt to make the counter negative, set the counter to 0 and print out an error to the user (e.g., “The counter must not be negative.”) Do not take any user input…How we can access protected data members of a class without the use of public or private functions? Explain with codePlease read the main function and define a class CStudent. (object array, static member, string) Please do not change the main function and complete the program given. 【Description】 Please read the main function and define a class CStudent. In the main funciton, two arrays of the ojbect of CStudent are define. Please analyze the call of constructor and destructor in the process of creating and releasing objects. 1. CStudent has two private member variables：stirng name, int age. 2. CStudent has a static member count. It will be incremented by 1 when the object is created and decremented by 1 when the object is destroyed. 3. The constructor function should output "*** is contructing". The destructor function should output “*** is destructing”. "***" indicates the name of the current CStudent object. 【Input】 No input 【Output sample】 There are 0 students. noname is contructing noname is contructing noname is contructing noname is contructing noname is contructing name:noname…