Core Java Programming Course- Protected Access

The video tutorial explains the concept of access modifiers in programming, focusing on public, default, private, and protected access. It highlights how each access level controls the visibility of fields and methods within and outside packages. The tutorial uses examples involving car classes to demonstrate how protected access allows visibility in subclasses across packages, unlike default access. The session concludes with a summary of the access rules.

Which access modifier allows a field or method to be accessed from anywhere in the project?

• Private

• Protected

• Public

• Default

Which access modifier restricts access to the same class only?

• Default

• Protected

• Private

• Public

How does protected access differ from default access when used outside the package?

• Protected access is the same as public access.

• Protected access is more restrictive than default access.

• Protected access allows access through inheritance outside the package.

• Protected access does not allow access outside the package.

In the same package, how do protected and default fields behave?

• Default fields are more restrictive.

• They behave the same.

• Protected fields are more restrictive.

• They behave differently.

What happens when a private field is accessed in a subclass within the same package?

• It can be accessed without any issues.

• It is not visible and cannot be accessed.

• It can be accessed only if the subclass is in the same package.

• It can be accessed if the field is declared as final.

When a subclass is in a different package, which fields from the superclass can it access?

• Private fields

• Default fields

• Protected fields if inherited

• Only public fields

What is required for a protected field to be accessed in a subclass outside its package?

• The field must be declared as public.

• The subclass must inherit from the superclass.

• The subclass must be in the same package.

• The field must be declared as final.