What is the need of a destructor?
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Why are pointers used?
What is a local reference?
What is c++ code?
Which operations are permitted on pointers?
What is the use of cmath in c++?
What are the c++ access specifiers?
what is oops and list its features in c++?
class A { public: void f(); protected: A() {} A(const A&){} }; Examine the class declaration shown above. Why are the default and copy constructors declared as protected? 1. To ensure that A cannot be created via new by a more derived class 2. To ensure that A cannot be copied 3. To ensure that A cannot be used as a base class except when public inheritance has been used 4. To ensure that A cannot be created/copied outside the inheritance chain 5. To ensure that A cannot be instantiated as a static variable
#include<iostream.h> void main() { class x { public: int func(int) { cout<<"cool"; return 1; } } }
What are the basic data types used in c++?
Who calls main function?
What is the use of this pointer in c++?