Q
What is polymorphism in OOP?

Answer & Solution

Answer: Option B
Solution:
Polymorphism in OOP allows objects of different classes to be treated as objects of a common superclass. It enables flexibility in code design by allowing methods to behave differently based on the object's type.
Related Questions on Average

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 __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

What is encapsulation in OOP?

A). Grouping related classes

B). Hiding internal details of an object

C). Creating objects from classes

D). Inheriting properties from a superclass

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

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 OOP concept allows a class to inherit from multiple classes?

A). Inheritance

B). Encapsulation

C). Polymorphism

D). Multiple inheritance

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

A). __delete()

B). __destroy()

C). __dispose()

D). __destruct()

Which keyword is used for inheritance in PHP?

A). inherit

B). extends

C). inherit_from

D). inherits

Which keyword is used to create a class in PHP?

A). new

B). object

C). define

D). class