Question

Output of following program?

class A
{
 protected: int a,b;
 public: void disp()
 { 
  cout&lt;&lt;a&lt;&lt;b; 
 }
};
class B:public A
{
 int x,y;
};

a.

Garbage value

b.

Compile time error

c.

Runtime error

d.

Runs but gives random values as output

Posted under Object Oriented Programming

Answer: (b).Compile time error

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Output of following program?

Add Comment

Similar Questions

Discover Related MCQs

Q. Single level inheritance will be best for___________

View solution

Q. Which constructor will be called first from the classes involved in single inheritance from object of derived class?

View solution

Q. If base class contains 2 nested classes, will it be possible to implement single level inheritance?

View solution

Q. Which among the following best defines multilevel inheritance?

View solution

Q. 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?

View solution

Q. 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.

View solution

Q. Which Class is having highest degree of abstraction in multilevel inheritance of 5 levels?

View solution

Q. If all the classes use private inheritance in multilevel inheritance then ______________

View solution

Q. Multilevel inheritance allows _________________ in the program.

View solution

Q. What is minimum number of levels for a implementing multilevel inheritance?

View solution

Q. In multilevel inheritance one class inherits _______________

View solution

Q. All the classes must have all the members declared private to implement multilevel inheritance.

View solution

Q. Can abstract classes be used in multilevel inheritance?

View solution

Q. How many abstract classes can be used in multilevel inheritance?

View solution

Q. If all the classes used parameterized constructors and no default constructor then, ___________

View solution

Q. In multilevel inheritance, which is the most significant feature of OOP used?

View solution

Q. Is it compulsory for all the classes in multilevel inheritance to have constructors defined explicitly if only last derived class object is created?

View solution

Q. Multiple inheritance is ____________________

View solution

Q. Which problem arises due to multiple inheritance, if hierarchical inheritance is used previously for its base classes?

View solution

Q. How many classes should a program contain to implement the multiple inheritance?

View solution

View All MCQs on Object Oriented Programming

Suggested Topics

Are you eager to expand your knowledge beyond Object Oriented Programming? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

Systems Programming

Decode low-level programming with our Systems Programming MCQs. These questions delve...

MS Office

Master the suite of productivity tools with our MS Office MCQs. From Word and Excel...

Data Structures and Algorithms

Journey through the fundamentals of Data Structures and Algorithms with our extensive...

Visual Basic

Enhance your knowledge of Microsoft's event-driven programming language with our...

Computer Architecture

Unveil the science behind computer design with our Computer Architecture MCQs. Topics...

Cryptography and Network Security

Secure your knowledge of information security with our Cryptography and Network...

Computer Graphics

Step into the visual side of computing with our Computer Graphics MCQs. Cover topics...

C# programming

Hone your skills in the C# language with our MCQs. Understand data types, operators,...

PHP

Venture into server-side scripting with our PHP MCQs. Cover everything from syntax...