.If you want to enable only derived classes to change base class data members, the data members in the base class should be defined as: a. static b. private c. protected d. All of the above
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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:
Question 14 papa
.If you want to enable only derived classes to change base class data members, the data members in the base class should be defined as:
| a. |
static |
|
| b. |
private |
|
| c. |
protected |
|
| d. |
All of the above |
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- This lab will exercise your understanding of some of the concepts covered in Chapter 13:overloading operators 1. Create a class, name of your choice, to represent a college class in which students might register. a. Create three private member variables:Class Name (to hold values such as CSC210)Number of StudentsClass Hours b. Overload the >> operator to input, from cin, into the class object, the Class Name and Class Hours c. Overload the << operator to output all the private member variables d. Overload the + (plus) operator to add a value to the Number of Students private member variable.This will represent students registering for the class. e. Overload the - (minus) operator to subtract a value from the Number of Studentsprivate member variable. This will represent students dropping the class. f. The default constructor should initialize the private member variables appropriately. 2. Write a client program to: a. Upon program execution, create one class object that…C++ please help me answer this question I will give you a good rating Thank you! Explain when to implement the Big Three. Explain your answer above about which classes need the Big Three in the question above both why they are needed and why not. Explain Public VS Protected VS Private Explain the difference between public, protected and private headers in a class. Be specific. HINT: Who can access the different members?8.A car dealership has hired your software development firm to create a new car inventory program. You will first need to develop a class that represents the inventory of the dealership. What components and attributes will need to be included in your Automobile Class? Why? Illustrate a default and parameterized constructor for your class.
- Adhere to the following additional requirements: Each of the 6 classes will have exactly 2 constructors. Every class will have a getSpecies() function. We won't be declaring objects of type "Creature" or "Demon", but you should include getSpecies() functions for them anyway, and they should return "Creature" and "Demon", respectively. Make getSpecies() a public member instead of private. Each of the 5 derived classes will have exactly 4 member functions (including constructors) and no data members The Creature class will have 8 member functions (including 2 constructors, 2 accessors, and 2 mutators) and 2 data members. Do not use the "protected" keyword. Many computer programmers consider it to be poor practice because only the base class itself should have uncontrolled access to that data. The derived classes can access the data members through accessors and mutators. In the non-default constructors for the sub-classes, you will need to use initializer lists. The Creature class's…When would you utilize an abstract class? when you require a super class that shouldn't be instantiated but can be instantiated alongside the derived classes===========Which UML aggregate symbol? a triangleuncut diamondan empty trianglea diamondPlease answer the following questions in your definition: 3. How can we access the class members?
- Consider a base class named Employee and its derived classes HourlyEmployee and PermanentEmployee while taking into account the following criteria.• Employee class has two data fields i.e. a name (of type string) and specific empID (of type integer)• Both classes (HourlyEmployee and PermanentEmployee) have an attribute named hourlyIncome• Both classes (HourlyEmployee and PermanentEmployee) have three-argumentconstructor to initialize the hourlyIncome as well as data fields of the base class• Class HourlyEmployee has a function named calculate_the_hourly_income to calculate the income of an employee for the actual number of hours he or she worked. One hour income is Rs. 150 • Similarly, PermanentEmployee class has function named calculate_the_income to calculate the income of an employee that gets paid the salary for exact 240 hours, no matter how many actual hours he or she worked. Again, one hour salary is Rs. 150.Implement all class definitions with their respective constructors to…When would you be most likely to use an abstract class? when you need to derive a class from Object when every method in the class is concrete when you need a super class that should not be instantiated when you need a super class that can be instantiated alongside the derived classes =========== Which UML symbol represents aggregation? a filled triangle an unfilled diamond an unfilled triangle a filled diamondQ- Answer these questions related to the following code: Name all member functions of all classes visible through temp1 in the main function? Name all member functions of all classes visible through temp2 in the main function? Name all member functions of all classes visible through temp3 in the main function? Which class is the parent of class A? Which class is the child of class A? Class B { Public: Void b1(); Protected: Void b2(); }; Class A : public B { Public: Void a1(); Protected: Void a2(); }; Class C: public A { Public: Void c1(); }; Void main () { B temp1; A temp2; C temp3; } Subject :…
- C++ please help me answer this question I will give you a good rating Thank you! Explain when to implement the Big Three. Explain your answer above about which classes need the Big Three in the question above both why they are needed and why not. Explain Public VS Protected VS Private Explain the difference between public, protected and private headers in a class. Be specific. HINT: Who can access the different members? Explain Polymorphism Explain how polymorphism works through inheritance. Be specific. HINT: Use specific C++ keywords, explain about member functions.C++ is a programming language that can be used to Make a program that calculates the volume of different containers. Cylinder will be the base class, and its derived classes, also known as child classes or sub-classes, will be constructed. Create a parent class, Cylinder, first. Make a constant for pi, as you'll need it for any containers that aren't square. For the members, use protected. Finally, add a public function to control the volume. V = pi * (r2) * h is the formula.Consider the following class definition and answer the following question. a. Which private members, if any, of smart are public members of superSmart? b. Which members, functions, and/or data, of the class smart are directly accessible in class superSmart? Suppose the following statements are in a user program: smart smartObject; superSmart superSmartObject; Mark the following statements are valid or invalid. If a statement is invalid, explain why? c. int smart :: sum() { return x + y + z; } d. smartObject.secret();superSmartObject.z=0; e. void superSmart : : set(int a, int b, int c) { smart :: set(a, b); z = c; } f. Assume that the following statement is in a user program. smart.print(); g. Assume that the following statement is in a user program. Cout << superSmart.sum() << superSmart.z << endl;
