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Welcome to the Inheritance and its Types MCQs Page

Dive deep into the fascinating world of Inheritance and its Types with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Inheritance and its Types, a crucial aspect of Object Oriented Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Inheritance and its Types, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Object Oriented Programming.

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Check out the MCQs below to embark on an enriching journey through Inheritance and its Types. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Inheritance and its Types. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Inheritance and its Types MCQs | Page 5 of 11

Q41.
Output of following program?
class A
{
 protected: int a,b;
 public: void disp()
 { 
  cout<<a<<b; 
 }
};
class B:public A
{
 int x,y;
};
Discuss
Answer: (b).Compile time error
Q42.
Output of following program?
class A
{  
 float sal=40000;  
}  
class B extends A
{  
 int salBonus=10000;  
 public static void main(String args[])
 {  
  B p=new B();  
  System.out.println("B salary is:"+p.sal);  
  System.out.println("Bonus of B is:"+p.bonus);  
 }  
}
Discuss
Answer: (a).B salary is: 4000.0
Bonus of B is: 10000
Discuss
Answer: (b).Inheriting a class which can print all the calculation results
Q44.
Which constructor will be called first from the classes involved in single inheritance from object of derived class?
Discuss
Answer: (a).Base class constructor
Q45.
If base class contains 2 nested classes, will it be possible to implement single level inheritance?
Discuss
Answer: (a).Yes, always
Discuss
Answer: (b).Classes being derived from other derived classes
Q47.
If there are 5 classes, E is derived from D, D from C, C from B and B from A. Which class constructor will be called first if the object of E or D is created?
Discuss
Answer: (a).A
Q48.
If there are 3 classes. Class C is derived from class B and B is derived from A, Which class destructor will be called at last if object of C is destroyed.
Discuss
Answer: (a).A
Q49.
Which Class is having highest degree of abstraction in multilevel inheritance of 5 levels?
Discuss
Answer: (a).Class at 1st level
Discuss
Answer: (b).Each class can access only non-private members of its parent
Page 5 of 11

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