Which is the correct syntax of inheritance?

Study the following program fragment

int $i=263$;

putchar $\left(i\right)$;

what it does?

Which of the following is not correct (in C++) ?

i) Class templates and function templates are instantiated in the same way

ii) Class templates differ from function templates in the way they are initiated

iii) Class template is initiated by defining an object using the template argument

iv) Class templates are generally used for storage classes.

Which feature of OOP is indicated by the following code?

class student{  int marks;  };
class topper:public student{  int age;  topper(int age){   this.age=age;  }   };