What will be the output of the following C++ code?
#include <iostream>
using namespace std;
class A{
public:
A(){
cout<<"Constructor called";
}
};
int main(int argc, char const *argv[])
{
A *a;
return 0;
}
#include <iostream>
using namespace std;
class A{
public:
A(){
cout<<"Constructor called";
}
};
int main(int argc, char const *argv[])
{
A *a;
return 0;
}A. Constructor called
B. Nothing printed
C. Error
D. Segmentation fault
Answer: Option B
This Question Belongs to C Plus Plus Programming >> Constructors And Destructors In C Plus Plus
A. A function used to create objects
B. A special member function that initializes objects
C. A function used to access class members
D. None of the above
Which access specifier allows constructors to be called from anywhere in the program in C++?
A. friend
B. protected
C. public
D. private
What happens if a class does not explicitly declare any constructors in C++?
A. A compilation error occurs
B. The class cannot be instantiated
C. The class is initialized with default values
D. A default constructor is provided by the compiler
What is the purpose of a destructor in C++?
A. A special member function that destroys objects
B. A function used to create objects
C. A function used to initialize objects
D. A function used to access class members
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