C++ Programming Multiple Choice Questions - Inheritance

This section focuses on the "Inheritance" in C++ programming langauge. These Multiple Choice Questions (MCQ) should be practiced to improve the C++ programming skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

1. When the inheritance is private, the private methods in base class are __________ in the derived class (in C++).

A. Inaccessible
B. Accessible
C. Protected
D. Public

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2. Which design patterns benefit from the multiple inheritances?

A. Adapter and observer pattern
B. Code pattern
C. Glue pattern
D. None of the mentioned

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3. What is meant by multiple inheritance?

A. Deriving a base class from derived class
B. Deriving a derived class from base class
C. Deriving a derived class from more than one base class
D. None of the mentioned

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4. What will be the order of execution of base class constructors in the following method of inheritance.class a: public b, public c {...};

A. b(); c(); a();
B. c(); b(); a();
C. a(); b(); c();
D. b(); a(); c();

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5. Inheritance allow in C++ Program?

A. Class Re-usability
B. Creating a hierarchy of classes
C. Extendibility
D. All of the above

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6. Can we pass parameters to base class constructor though derived class or derived class constructor?

A. Yes
B. No
C. May Be
D. Can't Say

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7. What are the things are inherited from the base class?

A. Constructor and its destructor
B. Operator=() members
C. Friends
D. All of the above

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8. Which of the following advantages we lose by using multiple inheritance?

A. Dynamic binding
B. Polymorphism
C. Both Dynamic binding & Polymorphism
D. None of the mentioned

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9. What will be the output of the following program?

         
Note:Includes all required header files
class find {
public:
   void print()  { cout <<" In find"; }
};
  
class course : public find {
public:
   void print() { cout <<" In course"; }
};
  
class tech: public course { };
  
int main(void)
{
  tech t; 
  t.print();
  return 0;
}

A. In find
B. In course
C. Compiler Error: Ambiguous call to print()
D. None of the above

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10. Which symbol is used to create multiple inheritance?

A. Dot
B. Comma
C. Dollar
D. None of the above

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