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.
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A: Lets see the function.
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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:
Step by step
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- What is the difference between a friend function of a class and a member function of a class? (3)Both child class and its parent class have same function signature. Which version of function will be called by the object pointer of parent class that is pointing to the child class’s object? Explain the reason. When do we need to use virtual function? Explain with example programQUESTION 10 _____ is used to create an object. A. In-built functions B. constructor C. class D. User-defined functions
- C++ : Defining class Person, class Student, class Teacher and class Graduate. Note that class Student and class Teacher inherits from Person, and class Graduate inherits from Student. Defining two constructors (including a default constructor) for each class. Defining virtual function print() for three classes (person, teacher and graduate), where each has different function body. Writing a main function to test the above definition and run each print function.To overload the pre-increment operator for a class as a member function, how many arguments are required? b.When overloading the pre-increment operator for a class as a friend function, how many arguments are required?Which of the following statements is true about a class' member function definition? a. A function definition provides a class name, return type, arguments, and the functions’ statements. b. A function definition provides the function’s name, return type, and arguments. c. A programmer first defines a function and then declares the member functions. d. A modulus operator is used preceding the function’s name in a function definition.
- Using 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.Assume that class B is derived publicly from class A. Class A has two functions, f1() and f2(). Function f2() is virtual. Assume the following statements statements:A* ptr=new B; ptr->f1(); ptr->f2(); Fill in the blank.The function f1() as defined in class ____ will be used. The function f2() as defined in class _____ will be used. In question 1, the call to ptr->f2() is an example of _______________________.Write a program in c++ that has a class containing constructors and in the class create 5 functions two functions should be get data and print data functions while rest of the 3 could be of programmers choice depending on the type of class is being created *c++ coding *create a class(any class of choice such as book car animal etc) *the class should contain constructors *In class create get data and print data functions for storing and printing data *Then create / include three (3) more functions of any type (other than get data and print data) *In total there will be 5 functions in class . get data . Print data . And three 3 more of programmers choice depending on whatever the class requires * keep the program simple and basic as possible for a beginner level student in c ++
- need help with c++...paste indented code here Given this class specification:Class: CarData members: int costWrite these function definitions:1. An internal definition for a one-parameter Constructor.2. An internal definition for a default Constructor using Constructor Delegation.Write one line of code for each:1. Instantiate an object using the one-parameter Constructor.2. Instantiate an object using the default Constructor.If a class does not have a function Object() { [native code] } declared for it, then how are objects of that class created?What criteria should be considered by the code to determine whether or not to make use of a virtual function from a base class?