Free Movement of People in the EU

question 23

Multiple Choice

Free movement of people in the EU:

• A) Allows EU residents to travel, live, study and work in other EU member states.
• B) Is not subject to any limitations whatsoever.
• C) Still requires border controls between most member states.
• D) Allows for immigration to the EU that was previously deemed illegal.

Familiarize with the syntax required to implement interfaces in classes, such as the use of `implements` keyword.

Appreciate the benefits and use cases of encapsulation, abstraction, and polymorphism through interfaces.

Identify the proper handling of exceptions, specifically in the context of method overriding and class inheriting from interfaces.

Recognize the role and benefits of helper classes and learn the appropriate use of access modifiers for inner classes aiming to serve as helper classes.