Abstract Classes – Sharp: NCLEX, Java & Python

Java: Abstract Classes

How do abstract classes enforce a contract for subclasses?

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

When is an abstract class more suitable than an interface?

What are the limitations of abstract classes?

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?

What happens if a subclass doesn't implement an abstract method?

How do abstract classes and interfaces differ in Java?

What is partial implementation in abstract classes?