Free C++ Institute CPA-21-02 Practice Exam with Questions & Answers | Set: 2

What happens when you attempt to compile and run the following code?

#include <iostream>

using namespace std;

void print(char *c);

int main (int argc, const char * argv[])

{

print("Test");

return 0;

}

void print(char *c)

{

cout<<c;

}

What happens when you attempt to compile and run the following code?

What happens when you attempt to compile and run the following code?

#include <iostream>

using namespace std;

class Base {

int age;

public:

class C {

int b;

void PrintC() { cout << b; }

};

Base () {age=5;};

void setAge(int a=20) {age = a;}

void Print() { cout << age;}

};

int main () {

Base a;

a.setAge(10);

a.Print();

return 0;

}

What happens when you attempt to compile and run the following code?

#include <iostream>

#include <string>

using namespace std;

class complex{

double re, im;

public:

complex() : re(1),im(0.3) {}

complex(double n) { re=n,im=n;};

complex(int m,int n) { re=m,im=n;}

complex operator+(complex &t);

void Print() { cout << re << " " << im; }

};

complex complex::operator+ (complex &t){

complex temp;

temp.re = this?>re + t.re;

temp.im = this?>im + t.im;

return temp;

}

int main(){

complex c1(1),c2(2),c3;

c3 = c1 + c2;

c3.Print();

}

What happens when you attempt to compile and run the following code?

#include <iostream>

using namespace std;

class A

{

public:

virtual void Print(){ cout<<"A";}

};

class B:public A

{

public:

virtual void Print(){ cout<< "B";}

};

int main()

{

A *obj;

A ob1;

obj = &ob1;

obj?>Print();

B ob2;

obj = &ob2;

obj?>Print();

}

What happens when you attempt to compile and run the following code?

#include <iostream>

using namespace std;

int f(int a, int b);

int main()

{

float b;

b = f(20,10);

cout << b;

return 0;

}

int f(int a, int b)

{

return a/b;

}

What happens when you attempt to compile and run the following code?

#include <iostream>

using namespace std;

int min(int a, int b);

int main()

{

int b=10;

b = min(5,20);

cout << b;

return 0;

}

int min(int a, int b)

{

if (a

return(a);

else

return(b);

}

What happens when you attempt to compile and run the following code?

What happens when you attempt to compile and run the following code?

#include <iostream>

using namespace std;

int fun(int x) {

return 2*x;

}

int main(){

int i;

i = fun(0.5) || fun(0);

cout << i;

return 0;

}

Which code line inserted instead of the comment below will fix the program so that it produces the expected output and does not cause any memory leak?