OOP Public Member Functions Quiz Online Practice Test

1. What are public member functions?

Functions restricted to external access but not by subclasses

Functions available for direct access from outside the class

Functions universally accessible via the class object

Functions inaccessible from outside the class

2. Which of the following statements is true regarding public member functions?

Public member functions don’t have a return type

Public member functions don’t have any security

Public member functions are declared outside the class

Public member functions can be called using an object of the class

3. Which member functions retain their access specifier based on the type of inheritance used (private inheritance makes them private, public inheritance makes them public)?

Private member functions

Protected member functions

Public member functions

All member functions

4. Which of the following is the correct syntax for declaring public member functions?

public::void functionName(parameters)

public void functionName(parameters)

public(void functionName(parameters))

public:-void functionName(parameters)

5. Which syntax correctly defines public member functions in C++?

public: <function declaration>

public(<function declaration>)

public void <function declaration>

public::<function declaration>

6. In Java, which rule about the public keyword is correct?

The public keyword cannot precede all public members

The public keyword must precede all public members

The public keyword must follow the function declaration

The public keyword is not required

7. What is the maximum number of public members allowed in a class?

Only 1

Up to 7

Exactly 3

As many as needed

8. Which of the following is an incorrect method for accessing public members of a class?

Using an object pointer with the arrow operator

Accessing the object of the class in the main function

Using an object of the class with the arrow operator

Accessing the object anywhere in the program

9. How should public members of a nested class be accessed?

Through an object of the enclosing class

Only within the enclosing class using direct names

Using direct names for the nested class

Exclusively via a pointer to the nested class object

10. Which of the following is the correct syntax for calling a public function with a void return type from outside the class in C++?

object.void functionName(parameters);

object.functionName(parameters);

object.functionName void (parameters);

object.void functionName();

11. To prevent public members from being inherited by subclasses, which approach is most effective?

Make the function private

Employ private inheritance

Use public inheritance

Opt for protected inheritance

12. If a public member function of a class is invoked directly within the main function, what will be the result?

An error indicating the function is undeclared

An out-of-memory error

A warning from the program

The computer will be shut down by the program

Test Name:	OOP Public Member Functions Quiz
Subject Category:	Computer Science
Test Type:	Multiple Choice Questions
Total Score / Questions:	12 / 12
Time Allowed:	10 Min
Who Should Practice this Test:	Students, job seekers, or professionals preparing for competitive exams and interviews.

OOP Public Member Functions MCQ Quiz Online Practice Test