Suppose you are writing a class called Student that has two private members, std::string name and int perm. Write the function prototype (function declaration) only for a default constructor for Student. For full credit, include the semicolon that terminates the prototype, but do not write the body of the constructor
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- 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 resulta. Instance of a class is called, functions have same name but different sets of parameters.Problem: Create a Fraction class with two private positive integer member variables numerator and denominator, one constructor with two integer parameters num and den with default values 0 and 1, one display function that print out a fraction in the format numerator/denominator in the proper form such as 2/3 or ½ . Note: 2/4 should be displayed as ½.
- Q-2: What is the main difference between constructor of a class and functions we use in same class? AND write one simple program where constructor is called and execute a function from the object of a class.Subject name is C++ Writea program that demonstrate the use of constructor with default arguments for the following problem. Define a class person with data member as name and age. Create three objects with no argument, one argument name and two argument name and age. You are not allowed to create more than one constructor.SUBJECT: OOPPROGRAMMING LANGUAGE: C++ ALSO ADD SCREENSHOTS OF OUTPUT. Write a class Distance to measure distance in meters and kilometers. The class should have appropriate constructors for initializing members to 0 as well as user provided values. The class should have display function to display the data members on screen. Write another class Time to measure time in hours and minutes. The class should have appropriate constructors for initializing members to 0 as well as user provided values. The class should have display function to display the data members on screen. Write another class which has appropriate functions for taking objects of the Distance class and Time class to store time and distance in a file. Make the data members and functions in your program const where applicable
- Create an Employee class that includes three private data members— firstName (type string), lastName (type string), and monthlySalary (type int ).It also includes several public member functions.1. A constructor initializes the three data members. 2. A setFirstName function accepts a string parameter and does not return any data. It sets the firstName.3. A getFirstName function does not accept any parameter and returns a string. It returns the firstName.4. A setLastName function accepts a string parameter and does not return any data. It sets the lastName.5. A getLastName function does not accept any parameter and returns a string. It returns the lastName.6. A setMonthlySalary function accepts an integer parameter and does not return any data. It sets the monthlySalary. If the monthly salary is less than or equal zero, set it to 1000 and it displays the employee’s first name, last name and the inputted salary with a statement “**==The salary is set to $1000.”7. A getMonthlySalary…Design an Account class used to represent an individual’s declining balance gift card. It contains a string for the account number, and a float value for the balance. It should include the following 7 functions: a 2-argument constructor (it accepts an account number and initial balance). a set function, one for each attribute (2 total functions, setAccount and setBalance. Each assigns an argument value to the named member variable. a get function for each attribute (2 total functions, getAccount, and getBalance). Each returns the value stored in the named member variable. a function to display the account’s information to the screen. The account number and balance value should be labelled. a function withdraw that takes a float argument and subtracts it from the balance. Write the class declaration. Member variables should NOT be accessible outside the class! Member functions should be accessible outside the class! Write the member function definitions for only the following…C++ please! Please type it and no pictures. Create a class called Employee that includes three data members: a firstname (type string), a last name (type string), and monthly salary (type int).The class will have a constructor that initializes the three data members.Include the set and get member functions for each data member. If the monthlysalary is not positive, the set function will set it to 0. Also include amember function that returns the yearly salary (i.e. twelve times the monthlysalary).Write a test program that prompts the user to enter the first and lastname of an employee as well as their monthly salary. The program will thenoutput the yearly salary of the employee, give them a 10 percent raise, andoutput the yearly salary again.
- Define a Pet class that stores the pet’s name, age, and weight. Add appropriateconstructors, accessor functions, and mutator functions. Also define a functionnamed getLifespan that returns a string with the value “unknown lifespan.” Next, define a Dog class that is derived from Pet. The Dog class should have aprivate member variable named breed that stores the breed of the dog. Add mutator and accessor functions for the breed variable and appropriate constructors.Redefine the getLifespan function to return “Approximately 7 years” if the dog’sweight is over 100 pounds and “Approximately 13 years” if the dog’s weight isunder 100 pounds. Next, define a Rock class that is derived from Pet. Redefine the getLifespanfunction to return “Thousands of years.” Finally, write a test program that creates instances of pet rocks and pet dogs thatexercise the inherited and redefined functions. use c++Q2 Write a C++ class that include two integer values (x, y) in the private section and constructor function in the public section to set the value of a and b. The class should also contain two overload operators the first one is (-) that make subtraction of the variables a, and b of two objects (ex: 01.a- 02.a, o1.b - 02.b) and store the result in the new object. The second one is (*) that make the multiplication of the variables a, and b of objects (01.a*o2.a, o1.b*o2.b) and then store the result in the new object(named Res). Finally print the resultsUsing C++ and Visual Studios Using your own creativity, make a set of class templates that have these features: For this class template, put everything in one place--do not declare the member functions and have separate definition of the member functions elsewhere. Keep them in one place. Include a private variable. Include a constructor that loads the private variable when constructed. Include a destructor that clears the private variable to zero. Include set and get functions to set and get the private variable.