Q
Which keyword is used to prevent a class from being inherited in PHP?

Answer & Solution

Answer: Option A
Solution:
The final keyword in PHP is used to prevent a class from being inherited. When a class is marked as final, it cannot be subclassed or extended.
Related Questions on Average

What is an object in PHP?

A). A class method

B). A function parameter

C). An instance of a class

D). A variable name

Which OOP concept allows a class to inherit from multiple classes?

A). Inheritance

B). Encapsulation

C). Polymorphism

D). Multiple inheritance

What is the visibility of properties or methods declared as private in PHP?

A). Public

B). Protected

C). Private

D). Accessible only within the class

Which keyword is used to create a class in PHP?

A). new

B). object

C). define

D). class

Which concept allows a method in a subclass to have the same name as a method in its superclass?

A). Encapsulation

B). Inheritance

C). Polymorphism

D). Abstraction

What is a class in PHP?

A). An instance of an object

B). A blueprint for creating objects

C). A method to access properties

D). A function to store variables

What does inheritance provide in OOP?

A). Code reusability

B). Data security

C). Object creation

D). Method overloading

Which keyword is used to access properties or methods within the same class in PHP?

A). public

B). protected

C). private

D). $this

What is the purpose of the interface keyword in PHP?

A). To define a class that cannot be instantiated

B). To define a contract for classes to implement

C). To define a blueprint for objects

D). To prevent a class from being inherited

What is the purpose of the __construct() method in PHP?

A). To define class properties

B). To create objects

C). To initialize object properties

D). To access superclass methods