Principles of OOP

Which of the following is NOT a principle of OOP?

• Inheritance

• Encapsulation

• Polymorphism

• Compilation

What is a class in OOP?

• instance of an object

• blueprint or template for creating objects

• method for defining attributes

• collection of unrelated functions

Which OOP principle ensures that "only essential information is shown to the user"?

• Inheritance

• Encapsulation

• Abstraction

• Polymorphism

Consider a "Car" class in OOP. Which of the following would be an object of this class?

• The concept of a car

• A specific car, like a red Toyota Corolla

• The design of a car engine

• The word "Car"

What is the main advantage of using classes in OOP?

• Classes allow for easier data manipulation

• Classes provide a way to organize and encapsulate data and methods

• Classes ensure that all methods are private

• Classes eliminate the need for inheritance

Which of the following best demonstrates abstraction in a real-world scenario?

• A user interacting with a smartphone app without knowing its underlying code

• A car engine showing all its internal components to the driver

• A public library system allowing unrestricted access to its database

• A chef explaining every step of a recipe in detail to a customer

Which of the following elements are encapsulated within a class?

• data

• packages

• functions

• compiler

Which of the following is a primary benefit of inheritance?

• Increased complexity

• Code reuse and reduced redundancy

• Direct access to private data members

• Improved performance