Q
Which of the following statements is true about polymorphism?

Answer & Solution

Answer: Option C
Solution:
Polymorphism allows a method to have multiple implementations, meaning that methods can be overridden in child classes with different behaviors while retaining the same method signature.
Related Questions on Average

What does the final keyword do when applied to a method in PHP?

A). Mark as deprecated

B). Prevent override

C). Define as abstract

D). Enable instantiation

What is the default access modifier in PHP?

A). public

B). protected

C). private

D). No default modifier

What is the main purpose of encapsulation?

A). To make classes more readable

B). To hide implementation details

C). To increase code complexity

D). To prevent inheritance

What is the benefit of using polymorphism in PHP?

A). Increased complexity

B). Improved readability

C). Decreased flexibility

D). Increased maintainability

Which of the following is NOT a principle of OOP?

A). Inheritance

B). Polymorphism

C). Abstraction

D). Linearity

In PHP, what is the purpose of the abstract keyword?

A). To specify a class as final

B). To specify a class as abstract

C). To prevent a class from being instantiated

D). To mark a method as deprecated

Which of the following is an advantage of inheritance in PHP?

A). Increases code reusability

B). Decreases code maintainability

C). Adds complexity to the code

D). Makes code less modular

Which access modifier in PHP restricts access to class members?

A). public

B). protected

C). private

D). access

How is polymorphism achieved in PHP?

A). Method overriding

B). Method overloading

C). Method inheritance

D). Method encapsulation

In PHP, what is the default visibility of class members?

A). Public

B). Protected

C). Private

D). Global