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

Which method is automatically called when an object is destroyed in PHP?

A). __delete()

B). __destroy()

C). __dispose()

D). __destruct()

What is polymorphism in OOP?

A). Code duplication

B). Method overriding

C). Data encapsulation

D). Class instantiation

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 create an object in PHP?

A). create

B). instance

C). new

D). make

What is an object in PHP?

A). A class method

B). A function parameter

C). An instance of a class

D). A variable name

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

A). final

B). private

C). static

D). sealed

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 OOP concept allows a class to inherit from multiple classes?

A). Inheritance

B). Encapsulation

C). Polymorphism

D). Multiple inheritance