CPA Programming Essentials in C++ Cisco Chapter 7 QUIZ

Chapter 8 Quiz ITE-6101-2013T(UGRD)
Computing Fundamentals

Question 1
pts
What is the output of the following program?


#include <iostream>
using namespace std;
class A {
public: int v;
A():v(1) {}
A(int i):v(i) {}
void operator<<(int a) { v+=a; }
};
int main(void) {
A i = 2;
i << 2;
cout << i.v << endl;
return 0;
}



1


The program will cause a compilation error.


2


4



Question 2
pts
What is the output of the following program?

, #include <iostream>
using namespace std;
class A {
public: int v;
A():v(1) {}
A(int i):v(i) {}
void operator<<(int a) { v>>=1; }
};
ostream& operator<<(ostream &o, A &a) {
return o<<a.v;
}
int main(void) {
A i = 2;
i << 2;
cout << i << endl;
return 0;
}



The program will cause a compilation error.


2


1


4



Question 3
pts
What is the output of the following program?


#include <iostream>
using namespace std;
class A {
public: int v;
A():v(1) {}