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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- 1. Inspect the code and in your own interpretation, describe the reason call to functionChangeIt_1(n) will not change x in main()? 2. Inspect the code and in your own interpretation, describe the reason parameter n inChangeIt_2(int *n) is a pointer, and statement in the function is *n = 6 ? 3. Write a function called void swap with two parameters, which will receive the addressof x and y as pointer. The function should swap the value of x and y only if x is larger thany. Print the value of x and y after the function call. 4. Write a function called double getAverage(int *array, int SIZE), whereit accept the array as pointer, and return the average of the array. Print the returnedvalue from this function. Always use *array rather than subscript to access the arrayvalue.Indicate whether the following is true or false:Only pointers and references are permissible for use with dynamically bound virtual functions.Exercise 9-6: Pass by Reference and Pass by Address In this exercise, you use what you have learned about passing arguments by reference and by address to functions to answer Questions 1-2. 1. Given the following variable and function declarations, write the function call and the function's header a. double price 22.95, increase .10; void changePrice(doubl e&, double); b. double price 22.95, increase .10; void changePrice (double*, double); c. int age = 23; void changeAge(int&); d. int age 23; void changeAge (int*); 2. Given the following function headers and variable declarations, write a function call: a. custNames [] = {"Perez", "Smith", "Patel", "Shaw"}; balances [] = {34.00, 21.00, 45.50, 67.00); void cust (string name [], double bal []) b. int values [] = {1, 77, 89, 321, -2, 34}: void printSum (int nums [])
- Is that correct?Pointers or references are required for dynamically bound virtual functions.Q. Please solve this C++ program and show all the steps. (kindly do not use any advanced coding or coding info from any other program. Don't copy from other sources too) a) Add a new function convMonth to the class Date that returns the month in letters (e.g., January, February, etc.). b)Add a function that prints the date using the following format: Month dd, yyyy . Example, January 21, 2023 c) Test the new functions of the class Date by creating dynamically (i.e., using pointers) two objects of the class Date and invoking the new member functions on both objects. Deliverables: date.h, date.cpp, testdate.cpp. (any description or thought process of this coding problem will be really useful, particularly in part c) please let me know if there's any way I could contact you for further assistance,( please!) Thank you !Assume that the declarations for two functions look as follows: int Function1(double x); 2.void Function2(double x); Give some sample code that would show how each function could be used.
- For this question you will design and implement a function that takes 5 arguments and produces 5 return values. This question is internally recognized as variant 0371. The 5 arguments must be of types int, int, bool, bool, and char (in that order), and they must be stored in parameter variables 'ham', 'bar', 'xyz', 'gzk', and 'foo', respectively. As a clarifying example, the second parameter - 'bar' - will be of type int. The function you create must perform the operations list below, in the specified order and exactly as they are described here. You are NOT permitted to simplify the operations. 1. create a new variable named 'ukr' that stores the result of increasing the 'ham' parameter by 42 2. if the conjunction of the 'xyz' parameter and the 'gzk' parameter has a value of True, multiply the value of the 'ham' parameter by a value of 29 and store the result back in 'ham' 3. negate the value of the 'xyz' parameter and store the result back in 'xyz' 4. decrease the value of the 'ham'…Indicate whether or not the following is true:When it comes to dynamically bound virtual functions, only pointers and references are acceptable.Tell whether or not the following statement is accurate:Only pointers and references are permissible for dynamically bound virtual functions.
- I need help in creating 5 user defined function in C to solve the following problem as shown in the screenshot. Below is the skeleton code for the problem. The 5 user defined functions need to be created in accordance to the screenshot and should be tested in the int main function. The Skeleton Code #include <stdio.h>#include <string.h> typedef char String30[31];typedef char String60[61]; /* TO DO: Implement the functions as specified in screenshot above RESTRICTIONS: 1. Do NOT call printf() or scanf() in any of the required function definition EXCEPT in the main() function. */ /* Step 1: Define the function that will achieve this step right after this comment. Do NOT call print(), scanf() and any other library functions not indicated above. User defined function has to be made in accordance to step 1 in the screenshot */ /* Step 2: Define the function that will achieve this step right after this comment. Do…Explain how the background process of invoking inline functions differs from that of a standard function by providing an example.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: • Oovoperation(): 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').
