What is polymorphism in OOP?
A). Code duplication
B). Method overriding
C). Data encapsulation
D). Class instantiation
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 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
Which keyword is used to create a class in PHP?
A). new
B). object
C). define
D). class
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 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 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
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
Which keyword is used to prevent a class from being inherited in PHP?
A). final
B). private
C). static
D). sealed