the output of the following code?
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What is the output of the following code?
// CPP
// working of Virtual Functions
#include <iostream>
using namespace std;
class base {
public:
void fun_1() { cout << "base-1\n"; }
virtual void fun_2() { cout << "base-2\n"; }
virtual void fun_3() { cout << "base-3\n"; }
virtual void fun_4() { cout << "base-4\n"; }
};
class derived : public base {
public:
void fun_1() { cout << "derived-1\n"; }
void fun_2() { cout << "derived-2\n"; }
void fun_4(int x) { cout << "derived-4\n"; }
};
int main()
{
base* p;
derived obj1;
p = &obj1;
// Early binding because fun1() is non-virtual
// in base
p->fun_1();
// Late binding (RTP)
p->fun_2();
// Late binding (RTP)
p->fun_3();
// Late binding (RTP)
p->fun_4();
// Early binding but this function call is
// illegal(produces error) because pointer
// is of base type and function is of
// derived class
// p->fun_4(5);
}
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- Set-up and implementation code for a void function MaxYou are not required to write a complete C++ program but must write and submit just your responses to the four specific function related questions below: QC1: Write the heading for a void function called Max that has three intparameters: num1, num2 and greatest. The first two parameters receive data from the caller, and greatest is used to return a value as a reference parameter. Document the data flow of the parameters with appropriate comments*. QC2: Write the function prototype for the function in QC1. QC3: Write the function definition of the function in QC1 so that it returns the greatest of the two input parameters via greatest, a reference parameter. QC4: Add comments to the function definition* you wrote in QC3 that also states its precondition and postcondition.Define the term void functions.Q6: Write a program in C++ that contains overloaded functions with name OvOperation(). When the main program makes a call to OvOperation the program performs the following according to the arguments of the function call: • OvOperation(): returns an int 0. • OvOperation(float, float) returns the maximum between the arguments. • OvOperation(int, int, int) returns the minimum value among the arguments. OvOperation(char) return the next ASCII character (e.g. OpOperation('a') returns 'b'). int main () cout << Opoperation ( 'w' )<< endl << Opoperation () « endl; cout << OpOperation (1.1,0.5) << endl << Opoperation (4,-2,9); return 0;
- Consider the function void modify(int & x) { x = 10; }Show how to call the modify function so that it sets the integer int i;to 10.in c++, "Overload of functions" Write an overloaded function that returns a value based on a set of formal parameters: . z={ x - a; x + a - bIndicate whether the following is true or false:Only pointers and references are permissible for use with dynamically bound virtual functions.
- Define Void Pointer?C PROGRAM Reverse + Random Formula In the code editor, there's already an initial code that contains the function declaration of the function, computeReverseNumber(int n) and an empty main() function. For this problem, you are task to implement the computeReverseNumber function. This function will take in an integer n as its parameter. This will get the reverse of the passed integer and will then compute and return the value: result = (original_number + reverse_of_the_number) / 3 In the main() function, ask the user to input the value of n, call the function computeReverseNumber and pass the inputted value of n, and print the result in the main() with two (2) decimal places. SAMPLE: Input n: 20 Output: 7.33 Input n: 123 Output: 148.006: Write a program in C++ that contains overloaded functions with name óvoperation(). When the main program makes a call to Ovoperation the program performs the following according to the arguments of the function call: • Ovoperation(): returns an int 0. • Ovoperation(float, float) returns the maximum between the arguments. • Ovoperation(int, int, int) returns the minimum value among the arguments. • Ovoperation{char) return the next ASCII character (e.g. OpOperation('a') returns b').
- What am I doing wrong? I am supposed to do a class of Student, enter the functions and display all of the students that has a GPA equal to or greater than 3.0 #include <iostream>#include <string> using namespace std; //declare Student Class class Student { //private member of class private: string Full_Name; float Student_GPA; int Student_Rank; //public class members public: //function to get student name void setFullName(string studentName) { this->Full_Name = studentName; } //return student name function string getFullName() { return Full_Name; } //function to get student GPA void setStudentGPA(float studentGpa) { this->Student_GPA = studentGpa; } //member function to return student name float getStudentGPA() { return Student_GPA; } //member function to get student Rank void setStudentRank(int studentRank) { this->Student_Rank = studentRank; } //member function to return student name int getStudentRank() { return Student_Rank; } }; int main() {Student S;…c++ Build the ShoppingCart class with the following specifications. Note: Some can be function stubs (empty functions) initially, to be completed in later steps. Default constructor Parameterized constructor which takes the customer name and date as parameters Private data members string _customerName - Initialized in default constructor to "none" string _currentDate - Initialized in default constructor to "January 1, 2016" vector < ItemToPurchase > _cartItems Public member functions customerName() accessor date() accessor addItem() Adds an item to cart items vector. Has a parameter of type ItemToPurchase. Does not return anything. removeItem() Removes item from cart items vector. Has a parameter of type string (an item's name). Does not return anything. If item name cannot be found, output this message: Item not found in cart. Nothing removed. modifyItem() Modifies an item's description, price, and/or quantity. Has a parameter of type ItemToPurchase. Does not return…C++ Code Step 1: Preparation For the moment, "comment out" the following under-construction code: In dynamicarray.h: All function prototypes except the constructors and destructor. Keep the member variables (but we will be replacing them shortly). In dynamicarray.cpp: All function implementations except the constructors and destructor. You should also remove (not just comment out) INITIAL_CAP, and replace it with a hard-coded 10 inside the default constructor. This will also eventually go away. In main: Comment out all the code inside the RunPart1Tests function between the linesbool pass = true; and return pass; • Also in main: Comment out all the code in the main function starting with the "Equality comparison" comment and just before the "return 0;" line. Step 2: Replacing member data and the two constructors You're going to replace the current member data (arr, len, and capacity) with a single vector of integers. Remember that vectors keep track of their own size and capacity, so…