Topic 2 APP Quiz

What is encapsulation in Object-Oriented Programming (OOP)

• Grouping related methods and variables in a single unit

• Allowing access to methods and variables from anywhere in the program

• Hiding the internal details of an object and exposing only what is necessary

• A technique to define multiple methods with the same name

Which access modifier is typically used to achieve encapsulation?

• public

• private

• protected

• final

What is the main purpose of inheritance in OOP?

• To create private variables

• To reuse existing code in new classes

• To make variables accessible everywhere

• To declare methods with the same name

Encapsulation helps in improving the maintainability and flexibility of code

• True

• False

A subclass automatically inherits private fields from its superclass

• True

• False

In inheritance, the class that inherits from another class is called the _________________.

Encapsulation is achieved using ___________ fields and providing ______________ methods to access them.

You are developing a banking application. Which OOP concepts are best suited to restrict direct access to account balance and provide controlled access through methods?

• Polymorphism

• Inheritance

• Encapsulation

• Abstraction