Pass the C++ Institute C++ Certified Professional Programmer CPA-21-02 Questions and answers with ExamsMirror

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

#include

using namespace std;

int main(){

int i = 1;

if (i==1) {

cout << i;

} else {

cout << i-1;

}

return 0;

}

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

#include

using namespace std;

class Test {

float i,j;

};

class Add {

public:

int x,y;

Add (int a=3, int b=3) { x=a; y=b; }

int result() { return x+y;}

};

int main () {

Test test;

Add * padd;

padd = &test;

cout << padd?>result();

return 0;

}

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

#include

using namespace std;

class A

{

public:

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

using namespace std;

int main()

{

int *t;

t = new int[2];

for (int i=0; i<2; i++) {

t[i]=0;

}

cout << t[1];

}

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

#include

#include

using namespace std;

float* sum(float a,float b);

float* sum(float a,float b)

{

float *f = new float;

*f = a+b;

return f;

}

int main()

{

float a,b,*f;

a = 1.5; b = 3.4;

f = sum(a,b);

cout<<*f;

return 0;

}

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

#include

using namespace std;

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

char *s = "ABCDEF";

cout << s+2;

return 0;

}

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

#include

#include

using namespace std;

int mult(int f, int s, int t);

int main()

{

cout << mult(1,2,3);

return 0;

}

int mult(int f, int s, int t)

{

int mult_res;

mult_res = f*s*t;

return mult_res;

}

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

#include

using namespace std;

int fun(int x) {

return x<<2;

}

int main(){

int i;

i = fun(1) / 2;

cout << i;

return 0;

}

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

class A {

int x;

protected:

int y;

public:

int age;

};

class B : protected A {

string name;

public:

void Print() {

cout << name << age;

}

};