Q1: a- Create a class with two integer member variables (r and s); the class also has the following member functions: parameterized constructor to set the values of the private variables. get_surface to calculate and return the surface area of cone using the following formula · A = ars + ar² Solution by C++
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- Employee Class (Medium) Write a class named Employee that has the following member variables: name. A string that holds the employee’s name. idNumber. An int variable that holds the employee’s ID number. department. A string that holds the name of the department where the employee works. position. A string that holds the employee’s job title. The class should have the following constructors: A constructor that accepts the following values as arguments and assigns them to the appropriate member variables: employee’s name, employee’s ID number, department, and position. A constructor that accepts the following values as arguments and assigns them to the appropriate member variables: employee’s name and ID number. The department and position fields should be assigned an empty string (""). A default constructor that assigns empty strings ("") to the name, department, and position member variables, and 0 to the idNumber member variable. Write appropriate mutator functions that…True or false: A class may have a constructor with no parameter list, and an overloaded constructor whose parameters all take default arguments.Pyhton Code: Create a Pizza class which stores information about a single pizza. It contains the following: -Instance variables to store the size of the pizza (small, medium or large), (1)the number of cheese toppings, (2)the number of pepperoni toppings, and the (3) number of mushroom toppings. - Constructor: that takes four arguments and sets all of the corresponding instance variables and that initializes all instance variables to the zero of their type. - Methods to get (accessor) and set (mutator) each instance variable individually. - A method called calcCost() that returns the cost of the pizza. Pizza cost is determined by: Small: $10 + $2 per topping Medium: $12 + $2 per topping Large: $14 + $2 per topping. -A method which returns a string for the pizza size, quantity of each topping, and the pizza cost as calculated by the following example, a large pizza with 1 cheese, 2 pepperoni and 1 mushroom toppings should cost $22 (you can overwrite __str__).
- Q1: a- Create a class with two integer member variables (r and s); the class also has the following member functions: parameterized constructor to set the values of the private variables. get_surface to calculate and return the surface area of cone using the following formula: (7 marks) Solution by C++ A = trs + ar²T/F: Instance variables are shared by all the instances of the class. T/F: The scope of instance and static variables is the entire class. They can be declared anywhere inside a class. T/F: To declare static variables, constants, and methods, use the static modifier.True or False It is legal to write a class without any constructors.
- Q1: a- Create a class with two integer member variables (r and s); the class also has the following member functions: parameterized constructor to set the values of the private variables. get_surface to calculate and return the surface area of cone using the following formula: A = ars + nr?All member variables should - in most cases - be declared with this access specifier. public private package none of the aboveMark the following statements as true or false. The member variables of a class must be of the same type. (1) The member functions of a class must be public. (2) A class can have more than one constructor. (5) A class can have more than one destructor. (5) Both constructors and destructors can have parameters. (5)
- ? Circle ♡ Language/Type: Java classes Write a class of objects named Circle that remembers information about a circle. You must include the following public members. It may help you to know that there is a constant named Math.PI storing the value of л, roughly 3.14159. member name description constructs a new circle with the given radius as a real number returns the area occupied by the circle circumference () returns the distance around the circle returns the radius as a real number returns a string representation such as "Circle(radius=2.5}" Circle(r) area() getRadius () toString() You should define the entire class including the class heading, the private fields, and the declarations and definitions of all the public methods and constructor.Sanchez Construction Loan Co. makes loans of up to R100,000 for construction projects. There are two categories of Loans—those to businesses and those to individual applicants. Write an application that tracks all new construction loans. The application also must calculate the total amount owed at the due date (original loan amount + loan fee). The application should include the following classes: •• Loan—A public abstract class that implements the LoanConstants interface. A Loan includes a loan number, customer last name, amount of loan, interest rate, and term. The constructor requires data for each of the fields except interest rate. Do not allow loan amounts greater than R100,000. Force any loan term that is not one of the three defined in the LoanConstants class to a short-term, 1-year loan. Create a toString() method that displays all the loan data. •• LoanConstants—A public interface class. LoanConstants includes constant values for short term (1 year), medium-term (3 years),…Animal Lab The objective of this assignment is to give you some practice using inheritance, virtual functions, and polymorphism. Instructions: Create a base class called Animal. All animals have a name (i.e. “Fido,” “Thumper,” “Princess,” “Nemo,” etc.) and an age. Provide a default constructor that initializes the age to zero and outputs the message “Invoking the default Animal constructor” and another constructor that allows the name and age to be set by the client. This other constructor should also output the message “Invoking the 2-argument Animal constructor.” Also construct a destructor for this class that outputs the message “Invoking the default Animal destructor.” Your Animal class should have a function called Move that cannot be implemented. That is, it should be declared as a purely virtual function. Your class should also have Get and Set methods to allow the name and age to be accessed. From the Animal class, derive Dog, Rabbit, Fish, and Snake classes. The derived…