Q
What is encapsulation in OOP?

Answer & Solution

Answer: Option B
Solution:
Encapsulation in OOP refers to the bundling of data (attributes) and methods (behaviors) that operate on the data into a single unit, called a class. It hides the internal state of an object and only exposes the necessary functionalities through methods.
Related Questions on Average

What is polymorphism in OOP?

A). Code duplication

B). Method overriding

C). Data encapsulation

D). Class instantiation

Which keyword is used for inheritance in PHP?

A). inherit

B). extends

C). inherit_from

D). inherits

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 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

What is the purpose of the parent:: keyword in PHP?

A). To access properties of the parent class

B). To call methods of the parent class

C). To instantiate the parent class

D). To prevent inheritance

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

A). public

B). protected

C). private

D). $this

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

A). final

B). private

C). static

D). sealed

What does inheritance provide in OOP?

A). Code reusability

B). Data security

C). Object creation

D). Method overloading

Which keyword is used to create an object in PHP?

A). create

B). instance

C). new

D). make