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  5. CPA-21-02

Free CPA-21-02 Exam Braindumps (page: 19)

Page 18 of 65
PDF with 257 Questions

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

#include <iostream>

using namespace std;

class BaseClass
{

public:
int *ptr;
BaseClass(int i) { ptr = new int(i); }
~BaseClass() { delete ptr; delete ptr;}
void Print() { cout << *ptr; }
};
void fun(BaseClass x);

int main()
{
BaseClass o(10);

fun(o);

  1. Print();
    }
    void fun(BaseClass x) {
    cout << "Hello:";
    }
  2. It prints: Hello:1
  3. It prints: Hello:
  4. It prints: 10
  5. Runtime error.

Answer(s): D



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

#include <iostream>

using namespace std;

int getValue();

int main()
{
const int x = getValue();
cout<<x;
return 0;
}
int getValue()
{
return 5;

}

  1. It will print 0
  2. The code will not compile.
  3. It will print 5
  4. It will print garbage value

Answer(s): C



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

#include <iostream>
#include <string>
using namespace std;

class A {
public:
A() { cout << "A0 ";}
A(string s) { cout << "A1";}
};

class B : public A {
public:
B() { cout << "B0 ";}
B(string s) { cout << "B1 ";}
};

class C : private B {
public:
C() { cout << "C0 ";}
C(string s) { cout << "C1 ";}
};

int main () {
B b1;
C c1;
return 0;
}

  1. It prints: A0 B0 A0 B1 A0 C0 A0 C1
  2. It prints: B0 B1 C0 C1
  3. It prints: A0 B0 A0 B0 C0
  4. It prints: B0 B1

Answer(s): C



What is the output of the program?

#include <iostream>

#include <string>

using namespace std;

struct Person {
int age;
};

class First
{
Person *person;
public:
First() {person = new Person;
person?>age = 20;
}
void Print(){
cout << person?>age;
}
};

int main()
{
First t[2];
for (int i=0; i<2; i++)
t[i].Print();
}

  1. It prints: 10
  2. It prints: 2020
  3. It prints: 22
  4. It prints: 00

Answer(s): B






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