Java – Page 142 – Sharp: NCLEX, Java & Python

Java: Access Modifiers and Visibility

How does immutability enhance encapsulation?

How do abstract classes enforce a contract for subclasses?

Why does accessor methods in encapsulation matter in this design?

When might using an interface be preferable over an abstract class?

Which access modifier in Java is the default in Java?

Why is 'private' the most restrictive access modifier?

How does visibility affect API design?

How do abstract classes enforce a contract?

Can you instantiate an abstract class in Java?

How would you explain a shared behavior in the context of abstract classes in an interview?