Assuming no other files are involved and that Dolores is not using any shared objects, what will happen when Dolores builds this program?Pick ONE optionThe code will compile and produce undefined behavior at runtimeThe code will compile but deterministically crash on the call to ~doTheThing~ in "akuna.cpp" because no implementationof the function is available in the executableThe compiler will issue an error on the call to ~doTheThing~ in "akuna.cpp" because there is no implementation for thefunctionThe compiler will issue an error on the declaration of ~doTheThing~ in "akuna.h" because there is no implementation forthe functionThe linker will issue an error on the call to ~doTheThing~ in "akuna.cpp" because there is no implementation for thefunction Dolores has written the following simple program, spread over a single header file and a single implementation file:// Header File "akuna.h"#pragma oncenamespace Akuna {int doTheThing(int x, int y, int z) noexcept;}// Implementation File "akuna.cpp"#include "akuna.h"#include int main() {}int a, b, c;std::cin >> a;std::cin>> b;std::cin >> c;int result = Akuna: :doTheThing (a, b, c);std::cout << result << std::endl;return 0;

Name: Assuming no other files are involved and that Dolores is not using an
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Description: Assuming no other files are involved and that Dolores is not using any shared objects, what will happen when Dolores builds this program?Pick ONE optionThe code will compile and produce undefined behavior at runtimeThe code will compile but determin

Answered: Assuming no other files are involved…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

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Assuming no other files are involved and that Dolores is not using any shared objects, what will happen when Dolores builds this program?
Pick ONE option
The code will compile and produce undefined behavior at runtime
The code will compile but deterministically crash on the call to ~doTheThing~ in "akuna.cpp" because no implementation
of the function is available in the executable
The compiler will issue an error on the call to ~doTheThing~ in "akuna.cpp" because there is no implementation for the
function
The compiler will issue an error on the declaration of ~doTheThing~ in "akuna.h" because there is no implementation for
the function
The linker will issue an error on the call to ~doTheThing~ in "akuna.cpp" because there is no implementation for the
function

Dolores has written the following simple program, spread over a single header file and a single implementation file:
// Header File "akuna.h"
#pragma once
namespace Akuna {
int doTheThing(int x, int y, int z) noexcept;
}
// Implementation File "akuna.cpp"
#include "akuna.h"
#include <iostream>
int main() {
}
int a, b, c;
std::cin >> a;
std::cin>> b;
std::cin >> c;
int result = Akuna: :doTheThing (a, b, c);
std::cout << result << std::endl;
return 0;

Expert Solution

Header File and Implementation File

The header file has the extension .h and contains the class definitions and functions. The class implementation goes in the .cpp file. By doing this, if your class the implementation hasn't changed so it won't need to be recompiled.

The header, implementation, and driver files must be in the same directory. If not, provide the current working directory link in the included instructions.

The header file has been used by programmers, is very useful and comes in handy when implementing various data structures and algorithms. For example, dynamic arrays can be implemented using the header file.

Advantages of storing class definitions in different files:

Inheritance can be used to achieve code reusability, but the downside is that a class must be inherited from a class inside the same file. You cannot inherit a class from another file.
However, this problem is solved by using header and executable files, thus making the class reusable.
If the class implementation has not changed, there is no need to recompile it.

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