16. What is the purpose of the interface keyword in PHP?

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

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

What keyword is used in PHP to implement inheritance?

A). extends

B). implements

C). inherits

D). inherits_from

Which keyword is used to access parent class properties in PHP?

A). parent

B). super

C). this

D). self

Which keyword is used to access static properties or methods in PHP?

A). this

B). parent

C). self

D). static

Which of the following is NOT a principle of OOP?

A). Inheritance

B). Polymorphism

C). Abstraction

D). Linearity

What is the default access modifier in PHP?

A). public

B). protected

C). private

D). No default modifier

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

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

A). To mark a method as deprecated

B). To prevent a class from being inherited

C). To specify a constant value

D). To define a global variable