8. Which one of the following statements is true about a C++ class constructor? A class constructor can be overloaded a. b. A class constructor's return type is NOT void c. All the above is true. d. None of the above is true.
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- 4- Is it possible to call a function from inside a function? (Yes or No) 5- When de we need to use private keyword in C++ class? 6- A derived class can be a base class for other classes. (True or False) 7- Return by value is better than return by reference (True, False or it depends on the case) 8- Is it possible to alter the address that the reference points to? (Yes or No) 9- We can write as many copy constructor in a C++ class as we want. (True or False) 10- Syntax error is logical errors (harder than, equal in difficulty to, simpler than) 11- Create an instance of the following class and call its methods. template class Array2D { D arr [I] [J]; public: D set (const int i, const int j, const D val) (arr[i] [i] = val; } D get (const int i, const int j) { return arr[i] [i]; } 12- What is a null pointer? 13- Every C++ class has a default constructor. (True or False) 14- In C++, every line must end with a semicolon. (True or False) 15- What is template specialization? C++Problem Write a C++ program that declares a class named Point to model a point. A point is represented by its coordinates x and y. Separate the class definition from declaration within the same file. Do the following tasks to accomplish the program. 1. Define several constructors for the class as follows. Use constructor initializer and default arguments whenever possible. a. A constructor that accepts two parameters to initialize the coordinates x and y respectively. b. A copy constructor that accepts another Point object. Use a constructor initializer to invoke constructor (a) c. A default constructor that sets the coordinates x and y to 0. Use a constructor initializer to invoke any of the above constructor s. 2. Define a constant method named print() that prints the coordinates x and y of the point. Explain what is a constant method and what is used for? Why is this method better to be declared as a constant method? Write your answers as comments in the program. 3. Define a method…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.
- PLEASE HELP: In c++ please The class function needs to be in a header file (.h) The main needs to be on the main .cpp file. Please try to avoid using -> operators. Looking for a solution without them. Any help is very much appreciated. Much thanks! Create a class AccessPoint with the following attributes: x - a double representing the x coordinate y - a double representing the y coordinate range - an integer representing the coverage radius status - On or Off Add constructors. The default constructor should create an access point object at position (0.0, 0.0), coverage radius 0, and Off. Add accessor and mutator functions: getX, getY, getRange, getStatus, setX, setY, setRange and setStatus. Also, add a set function that sets the location coordinates and the range. Add the following member functions: move and coverageArea. Add a function overlap that checks if two access points overlap their coverage and returns true if they overlap. Add a function signalStrength that returns the…Can you help me with this code for C++ please: Modify the class Song you created for part 2 bydoing the following:(a) Add a default constructor that initializes the song to have invalid astitle and artist, and −1 as recording year.(b) Add a constructor Song(title) that initializes the song to thegiven title (that is, to the title given as argument). The artist andrecording year are initialized to unknown and −1, respectively. Theargument is a string.(c) Add a constructor Song(title, artist, year) that initializesthe song to the given title, artist and recording year. The first twoarguments are strings, the third one is an integer.(d) Replace the function equals(s1, s2) by a methodequals(other) that returns true if the receiver and theargument have the same title, artist and recording year.(e) Add a method less_than(other) that returns true if the title ofthe first song is less than the title of the second song. In case the titlesof the two songs are identical, the method returns true…Which of the following is true?I. Operator overloading allows you to redefine the way operator works for user-defined typesonly.II. It cannot be used for built-in types.III. Two operators = and & are already overloaded by default in C++.A. None of the aboveB. AllC. Only I and IID. Only II and III
- LAB: Expression for calories burned during workout Instructor note: Important Coding Guidelines: Please do in C++ Use comments, and whitespaces around operators and assignments. Use line breaks and indent your code. Use naming conventions for variables, functions, methods, and more. This makes it easier to understand the code. Write simple code and do not over complicate the logic. Code exhibits simplicity when it’s well organized, logically minimal, and easily readable. The following equations estimate the calories burned when exercising (source): Women: Calories = ( (Age x 0.074) — (Weight x 0.05741) + (Heart Rate x 0.4472) — 20.4022 ) x Time / 4.184 Men: Calories = ( (Age x 0.2017) + (Weight x 0.09036) + (Heart Rate x 0.6309) — 55.0969 ) x Time / 4.184 Write a program with inputs age (years), weight (pounds), heart rate (beats per minute), and time (minutes), respectively. Output calories burned for women and men. Output each floating-point value with two digits…Hello, I am having trouble with this homework assignment for C++ (See below for the output) 2. Implement the following: a. A class named Food. 1. dynamic data member: name 2. accessors and mutators 3. the big three b. A class named Cake that inherits from Food. 1. dynamic data member: topping (type of icing such as chocolate) 2. accessors and mutators 3. the big three c. Create an object of type Food and output its data member. d. Create an object of type Cake and output its data members. e. Test all inherited functions in main. (Cannot change the given int main. Any alteration is not accepted) int main() { cout << endl; Food f1("Bread"); f1.output(); cout << "\nf2: Copy Constructor" << endl; Food f2 = f1; f2.output(); cout << "\nf3: Assignment Overload" << endl; Food f3; f3 = f2; f3.output(); cout << "\nFood: Mutator" << endl; f1.setName("Pizza"); f2.setName("Sandwich"); f1.output(); f2.output(); f3.output(); cout << "\nCake:\n" <<…Please write your original code in c++ Thank you Objective Create a class named Complex to represent complex numbers. Use the main() function and create at least three complex number objects and test all member functions of the Complex class. How to use classes. Related SLO Develop properly structured multifile programs with automatic compilation. Use classes in C++. Instructions Create a program named LastnameFirstname18.cpp, that does the following: Note: This program has no user input. Define a class called Complex that will represent a complex number. Complex numbers have the form a + bi, where a is the real part and b is the imaginary part. Both the a and b coefficients are real numbers. i is the square root of negative one, but it's not actually implemented in code. For this assignment, you will only be working with a and b. Wikipedia page for Complex numbers: here Declare 2 private double data members: real and imaginary Define one default constructor that…
- Need help with a C++ commenting question: Indicate where the different constructors, assignment operator= and desctructor will run with a comment under the relevant line of code. Start in main and use the following tags to indicate the function that will run: Default constructor <object name>String constructor <object name>Copy constructor <object name>Assignment operatorDestructor <object name>Substitute the variable name for the object constructed or destructed. Use a comma to separate if multiple functions are run on a line. Code to comment on: #include <iostream> 2 using namespace std; 3 4 class Student { 5 public: 6 friend Student OutputDuplicate (Student obj); // friend function 7 8 Student (); // Default constructor 9 10 Student (string n); // String constructor 11 12 Student (const Student & obj); // Copy constructor 13 14 Student& operator= (const Student &…Which of the following is true?I. Operator overloading allows you to redefine the way operator works for user-defined types only.II. It cannot be used for built-in types.III. Two operators = and & are already overloaded by default in C++.A. None of the aboveB. AllC. Only I and IID. Only II and IIIWhich option among A,B,C,D is true?Write program in C++ Language The other solutions on chegg were incorrect! Please read carefully! Write a program that defines and tests a class called COP3014. The class resembles aclassroom. It has the following grading scheme:3 quizzes 20 points each 20%Mid term 100 points 30%Final 100 points 50%Based on the total grade of any student for the course, the letter grade of each student can becomputed as follows:Any grade of 90 or more is an A, any grade of 80 or more (but less than 90) is a B, any grade of70 or more (but less than 80) is a C, any grade of 60 or more (but less than 70) is a D, and anygrade below 60 is an F.This class needs to have some member variables. The first name, last name, the Z-number, thegrades, the total grade and final letter grade are all considered to be private member variablesof this class.The class should also have the following public member functions/procedural attributes that canbring the objects (students of the class) to life and give them some…