CPA-21-02 Practice Online

Question 1

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

#include <iostream>

using namespace std;

int main()

{

int i = 4;

while(i >= 0) {

cout<<i;

i??;

}

return 0;

}

A : It prints:''43210''

B : It prints:''3210''

C : It prints: ''3210?1''

D : None of these

Answer: A

Question 2

What happens when you attempt to compile and run the following code? #include using namespace std; int main() { int i, j; for(i = 0; i < 2; i++) { for(j = i; j < i + 1; j++) if(j == i) continue; else break; } cout << j; return 0; }

A : It prints: 0

B : It prints: 3

C : It prints: 2

D : It prints: 1

Answer: C

Question 3

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

#include <iostream>

#include <string>

using namespace std;

class A {

protected:

int y;

public:

int x,z;

A() : x(2), y(2), z(1) { z = x + y; }

A(int a, int b) : x(a), y(b) { z = x + y;}

void Print() { cout << z; }

};

class B : public A {

public:

int y;

B() : A() {}

B(int a, int b) : A(a,b) {}

void Print() { cout << z; }

};

int main () {

A b;

b.Print();

return 0;

}

A : It prints: 4

B : It prints: 0

C : It prints: 3

D : It prints: 2

Answer: A

Question 4

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

A : It prints: 1

B : It causes a compilation error

C : It prints: 0

D : It prints: My exception,

Answer: B

Question 5

What happens when you attempt to compile and run the following code? #include using namespace std; class BaseC { public: int *ptr; BaseC() { ptr = new int(10);} BaseC(int i) { ptr = new int(i); } ~BaseC() { delete ptr; } }; void fun(BaseC x); int main() { BaseC *o = new BaseC(5); fun(*o); } void fun(BaseC x) { cout << "Hello:"<<*x.ptr; }

A : It prints: Hello:50

B : It prints: Hello:10

C : It prints: Hello:5

D : Compilation error

Answer: C

Name:	CPA C++ Certified Associate Programmer
Exam Code:	CPA-21-02
Certification:	C++ Certified Professional Programmer
Vendor:	C++ Institute
Total Questions:	257
Last Updated:	May 08, 2024

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