Free CPA-21-02 Exam Braindumps
CPA - C++ Certified Associate Programmer Questions 16–20 (page: 5)

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

#include <iostream>
using namespace std;

class A {
public:
virtual void Print()=0;
};
class B:public A {
public:

virtual void Print() { cout<< "B"; }
};
class C:public A {
public:
virtual void Print() { cout<< "C"; }
};
int main()
{
B ob2;
C ob3;
A *obj;
obj = &ob2;
obj?>Print();
obj = &ob3;
obj?>Print();
}

What will the variable "age" be in class B?

class A {
int x;
protected:
int y;
public:
int age;
};

class B : private A {
string name;
public:
void Print() {
cout << name << age;
}
};

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

#include <iostream>

using namespace std;

int x=5;
static int y;
int i=0;

void static myFunction()
{
y=x++ + ++i;
}

int main (int argc, const char * argv[])
{
x++;
myFunction();
cout<<y<<" "<<x<< " " << i;
}

Which of the structures is incorrect?

1:
struct s1{
int x;
long int li;

};

2:
struct s2{
float f;
struct s2 *s;
};

3:
struct s3{
float f;
struct s3 s;
};

What is the output of the program?

#include <iostream>
#include <string>

using namespace std;

int main()
{
string s1="Wo";
string s2;
s2 = s1;

string s3;
s3 = s2.append("rldHello");
cout << s3;
return( 0 );
}