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 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 create a class in PHP?

A). new

B). object

C). define

D). class

Which OOP concept allows a class to implement methods with the same name but different parameters?

A). Overloading

B). Overriding

C). Inheritance

D). Polymorphism

Which keyword is used for inheritance in PHP?

A). inherit

B). extends

C). inherit_from

D). inherits

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

A). Inheritance

B). Encapsulation

C). Polymorphism

D). Multiple inheritance

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

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 polymorphism in OOP?

A). Code duplication

B). Method overriding

C). Data encapsulation

D). Class instantiation

What is the purpose of the static keyword in PHP?

A). To access properties or methods without instantiating the class

B). To prevent a class from being instantiated

C). To define constants

D). To access superclass methods