What are Abstract Classes and how Different are they from Interfaces?

The video tutorial explains the concept of abstraction in Java, focusing on abstract classes and methods. It provides a real-life example using aircraft construction rules to illustrate how abstraction works. The tutorial also covers the implementation of abstract methods in child classes and compares abstract classes with interfaces, highlighting their differences and similarities.

What is abstraction in the context of object-oriented programming?

Describe a real-life scenario where abstraction can be applied.

Explain the concept of abstract classes and methods.

How do abstract classes differ from interfaces?

What happens if a class contains an abstract method?

Can an abstract class have concrete methods? Explain.

What is the significance of the 'extends' keyword in Java?

How do child classes implement abstract methods from parent classes?

Why can't you instantiate an abstract class?

What are the access modifiers allowed for methods in abstract classes?