How do abstract classes enforce a contract for subclasses?
When might using an interface be preferable over an abstract class?
What are the limitations of using abstract classes in Java?
Why can't you instantiate an abstract class?
Why does Java use abstract classes?
How do abstract methods work in Java?
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?