Object Oriented Programming Inheritance Test – 2

1. If class A has two nested classes B and C. Class D has one nested class E, and have inherited class A. If E inherits B and C, then ________________

2. Which among the following is true?

3. Which type of inheritance is illustrated by the following code?

class student{ public: int marks; };
class topper: public student { public: char grade; };
class average{ public: int makrs_needed; };
class section: public average{ public: char name[10];  };
class overall: public average{  public: int students;  };

4. How many classes can be inherited by a single class in java?

5. Which among the following is correct for the following code?

class A
{  
    public : class B 
    { 
        public : B(int i): data(i)
        { 
        }
        int data;
    }
};
class C: public A
{
     class D:public A::B{ };
};

6. Which type of inheritance cannot involve private inheritance?

7. If 6 classes uses single level inheritance with pair classes (3 pairs), which inheritance will this be called?

8. Which among the following best describes multiple inheritance?

9. How many types of inheritance can be used at a time in a single program?

10. If multi-level inheritance is used, First class B inherits class A, then C inherits B and so on. Till how many classes can this go on?