Java Object-Oriented Programming 

Why learn about object-oriented programming in Java

What is object orientation?

Using classes as blueprints

Building objects with a constructor

Using concrete instances for application logic

Understanding the difference between class and instance members

Exploring a built-in Java class

Challenge: Build an employee class

Solution: Build an employee class

What is encapsulation?

Discovering access modifiers

Implementing encapsulation with access modifiers

Exploring encapsulation in Java string class

Challenge: Banking application

Solution: Banking application

What is inheritance?

Leveraging different types of inheritance

Using inheritance to reduce code duplication

Discovering inheritance in foundational Java classes

Challenge: Reduce redundant code with inheritance

Solution: Reduce redundant code with inheritance

What is polymorphism?

Writing reusable algorithms with runtime polymorphism

Exploring different forms in a single object

Accessing specific object forms with instanceof

Writing flexible code with compile-time polymorphism

Exploring how built-in Java classes use polymorphism

Challenge: Reduce complexity with polymorphism

Solution: Reduce complexity with polymorphism

What is abstraction?

Using abstract classes in Java to reduce code complexity

Using interfaces in Java to provide conformity

Discovering abstraction in Java source code

Challenge: Leverage abstraction to write simpler applications

Solution: Leverage abstraction to write simpler applications

Next steps