Which of the following is called address operator?

a) *

Which of the following is the correct identifier?

1. $var_name
2. VAR_123
3. varname@
4. None of the above

1. Segmentation failure.
2. Error.
3. The Constructor will be invoked five times, and after that destructor will be invoked only once.
4. The Constructor will be invoked five times, and after that destructor will also be invoked five times.

Which of the following feature of OOPs is not used in the following C++ code?

class A
{
    int i;
    public:
    void print(){cout<<"hello"<<i;}
}
 
class B: public A
{
    int j;
    public:
    void assign(int a){j = a;}
}

a) Abstraction