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

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 does inheritance provide in OOP?

A). Code reusability

B). Data security

C). Object creation

D). Method overloading

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 an object in PHP?

A). A class method

B). A function parameter

C). An instance of a class

D). A variable name

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 magic method is called when an undefined property is accessed in PHP?

A). __get()

B). __set()

C). __call()

D). __isset()

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

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