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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
What must be implemented in a class if there is a need for a destructor? Select all that apply.
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- In Chapter 10, the class clockType was designed to implement the time of day in a program. Certain applications, in addition to hours, minutes, and seconds, might require you to store the time zone. Derive the class extclockType from the class clockType by adding a member variable to store the time zone. Add the necessary member functions and constructors to make the class functional. Also, write the definitions of the member functions and the constructors. Finally, write a test program to test your class.Create a class Animal and Add a protected data member named id of integer type. Add get/set methods for id data member in Animal class with public access. Also provide default constructor this should initialize id to 0. Also provide parameterized constructor and toString method. Add an abstract method tellAboutSelf method to Animal class with public access Add another abstract method speak method to Animal class. Reptile, Bird, Mammal Next create the three child classes which extends form Animal class. Add a default constructor to each of the above created class. The constructor should initialize the id data member id, Reptile, Bird and Mammal, to 1, 2 and 3 respectively also it display a message “(class Name)’s default constructor”. E.g. for Bird it says “Bird’s default constructor”. Add a parameterized constructor to each of the above created class. The constructor should initialize the id data member, Reptile, Bird and Mammal, to the specified id passed to the constructor also it…write the definition of the class Rectangle containing: length: a private data member of type double width: a private data member of type double a default constructor that assigns the values 20 and 10 length and width, respctively. an overloading constructor that accepts two parameters of type double and assigns them to length and width. an overloading constructor that accepts one parameter of type double and assigns it to both length and width setLength: a member function that accepts a double parameter and assigns it to length if it is positive(gerater than zero). setWidth: a member function that accepts a double parameter and assigns it to width if it is positive(gerater than 0) getLength: a member function that accepts no parameter and returns the value of length getWidth: a meber function that accepts no parameters and returns the value of width getAre: a member function that accepts no parameters and returns the area of the rectangle.
- Create a class Car, which contains • Three data members i.e. carName (of string type), ignition (of bool type), and currentSpeed (of integer type)• A no-argument constructor to initialize all data members with default values• A parameterized constructor to initialize all data members with user-defined values• Three setter functions to set values for all data members individually• Three getter function to get value of all data members individually• A member function setSpeed( ) // takes integer argument for setting speedDerive a class named Convertible that contains• A data member top (of Boolean type)• A no-argument constructor to assign default value as “false” to top• A four argument constructor to assign values to all data-members i.e. carName, ignition,currentSpeed and top.• A setter to set the top data member up• A function named show() that displays all data member values of invoking objectWrite a main() function that instantiates objects of Convertible class and test the…Create a class Car, which contains • Three data members i.e. carName (of string type), ignition (of bool type), and currentSpeed (of integer type) • A no-argument constructor to initialize all data members with default values • A parameterized constructor to initialize all data members with user-defined values• Three setter functions to set values for all data members individually• Three getter function to get value of all data members individually• A member function setSpeed( ) // takes integer argument for setting speedDerive a class named Convertible that contains • A data member top (of Boolean type) • A no-argument constructor to assign default value as “false” to top• A four argument constructor to assign values to all data-members i.e. carName, ignition, currentSpeed and top.• A setter to set the top data member up • A function named show() that displays all data member values of invoking objectWrite a main() function that instantiates objects of Convertible class and test the…Animal: Create a class Animal and Add a protected data member named id of integer type. • Add get/set methods for id data member in Animal class with public access. Also provide default constructor this should initialize id to 0. • Also provide parameterized constructor and toString method. • Add an abstract method tellAboutSelf method to Animal class with public access • Add another abstract method speak method to Animal class. Reptile, Bird, Mammal Next create the three child classes which extends form Animal class. • Add a default constructor to each of the above created class. The constructor should initialize the id data member id, Reptile, Bird and Mammal, to 1, 2 and 3 respectively also it display a message “(class Name)’s default constructor”. E.g. for Bird it says “Bird’s default constructor”. • Add a parameterized constructor to each of the above created class. The constructor should initialize the id data member, Reptile, Bird and Mammal, to the specified id passed to the…
- (Default Constructor) What’s a default constructor? How are an object’s data members initialized if a class has only an implicitly defined default constructor?__________ is the default behavior when an object is assigned the value of another object of the same class.Build a class Sale with private member variablesdouble itemCost; // Cost of the itemdouble taxRate; // Sales tax rateand functionality mentioned below:● Write a default constructor to set the member variable itemCost to 0 andtaxRate to 0. ● Write a parameterized constructor that accepts the parameter for eachmemberSale( double cost, double rate) c++
- "The program instantiates and uses instances of a derived class with default and parameterized constructors. Write A Base Class Declare a class named RealProperty that could be used to describe a piece of real property. It should contain these private fields: streetAddress (string) squareFootage (int) taxes (double) Each field should have a comment documenting what it is for. Add public member functions as follows: The default constructor. The default constructor initializes the fields so that the street address is an empty string and all numeric fields are 0 or 0.0. Implement the default constructor inline using the member initialization list syntax. The constructor that accepts these data: street address (string), square footage (int), and taxes (double). Implement this constructor inline using the member initialization list syntax and call the mutator function for square footage in the body of the constructor. Add mutator member functions to set the fields. One member function for…1- Write a class declaration named Circle with a private member variable named radius. Write set and get functions to access the radius variable, and a function named getArea that returns the area of the circle. The area is calculated as 3.14159 * radius * radius 2- Add a default constructor to the Circle class in question (1). The constructor should initialize the radius member to 0 3- Add an overloaded constructor to the Circle class in question (2). The constructor should accept an argument and assign its value to the radius member variableHow many default constructors can a class have? a. A class cannot have a default constructor. b. only one c. as many as it needs d. one or more, but fewer than three
