Java – Page 135 – Sharp: NCLEX, Java & Python

Java: Composition vs Inheritance

Can a class extend multiple classes in Java?

What is reuse by collaboration?

What is composition in Java?

How do you read polymorphic code correctly?

Why is composition often preferred when behavior changes independently?

What is inheritance in Java?

What is abstraction in Java?

How does an interface differ from an abstract class in Java?

Why favor composition over inheritance?

How would you explain a common pitfall of deep inheritance hierarchies in an interview?