Answer & Solution
Answer: Option B
Solution:
In PHP, the final keyword is used to prevent a class from being inherited, making it impossible to create child classes from it.
Q
In PHP, what is the purpose of the final keyword?
Related Questions on Average
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
Which keyword is used to access parent class properties in PHP?
A). parent
B). super
C). this
D). self
What does the protected access modifier mean in PHP?
A). Access to all
B). Access to parent class
C). Access to subclass
D). Restricted access
What is the purpose of method overloading in PHP?
A). Different parameters
B). Same parameters
C). Override a method
D). Access private methods
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 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 keyword is used to access static properties or methods in PHP?
A). this
B). parent
C). self
D). static
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
Which access modifier in PHP restricts access to class members?
A). public
B). protected
C). private
D). access
What is encapsulation in PHP?
A). Hiding data implementation details
B). Exposing data publicly
C). Implementing interfaces
D). Inheriting properties