Answer & Solution
Answer: Option B
Solution:
Encapsulation in OOP is primarily used to hide the implementation details of a class, allowing for better maintainability and preventing unauthorized access.
Q
What is the main purpose of encapsulation?
Related Questions on Average
Which keyword is used to access parent class properties in PHP?
A). parent
B). super
C). this
D). self
Which of the following statements is true about polymorphism?
A). It allows a class to inherit from multiple classes
B). It allows a class to have multiple constructors
C). It allows a method to have multiple implementations
D). It allows a class to override parent class methods
What is the primary purpose of method overriding in PHP?
A). Hide implementation
B). Provide alternative
C). Prevent inheritance
D). Define in parent
What is the purpose of method overloading in PHP?
A). Different parameters
B). Same parameters
C). Override a method
D). Access private methods
What is the benefit of using polymorphism in PHP?
A). Increased complexity
B). Improved readability
C). Decreased flexibility
D). Increased maintainability
Which keyword is used to access static properties or methods in PHP?
A). this
B). parent
C). self
D). static
In PHP, what is the default visibility of class members?
A). Public
B). Protected
C). Private
D). Global
What does the final keyword do when applied to a method in PHP?
A). Mark as deprecated
B). Prevent override
C). Define as abstract
D). Enable instantiation
What is encapsulation in PHP?
A). Hiding data implementation details
B). Exposing data publicly
C). Implementing interfaces
D). Inheriting properties
In PHP, what is the purpose of the final keyword?
A). To mark a method as deprecated
B). To prevent a class from being inherited
C). To specify a constant value
D). To define a global variable