Radical Object-Orientation

Modules Aggregate Functions

Object-orientation beyond classes

Apr 8 • 

Ralf Westphal

4

March 2025

Objects with Internal State

Object-orientation, according to Alan Kay, is:

Mar 21 • 

Ralf Westphal

6

1

Separation According to Testability

A simple criteria for splitting up logic

Mar 20 • 

Ralf Westphal

5

Functions as Objects

How to wrap logic to understandability and testability

Mar 19 • 

Ralf Westphal

5

Logic: The Magic Dust

It's all about behavior

Mar 18 • 

Ralf Westphal

3

December 2024

Object-Orientation 1991

Lean back and enjoy how Borland’s Philippe Kahn promoted 1991 the then new concept of Object-Oriented Programming (OOP):

Dec 13, 2024 • 

Ralf Westphal

7

March 2024

Radical Object-Orientation #0F: The Basic Two Dimensions of Radical Object-Orientation

Tying it all together

Mar 29, 2024 • 

Ralf Westphal

4

Radical Object-Orientation #0E: What Objects Encapsulate

Data flows between actions all the way down

Mar 22, 2024 • 

Ralf Westphal

4

Radical Object-Orientation #0D: Messages Flowing Between Actions

The "big idea" is still messaging

Mar 19, 2024 • 

Ralf Westphal

5

Radical Object-Orientation #0C: The Internal Structure of an Object

Actions as the creators of behavior

Mar 15, 2024 • 

Ralf Westphal

3

3

Radical Object-Orientation #0B: Structuring the Object Surface

Where are messages received and released?

Mar 13, 2024 • 

Ralf Westphal

4

Radical Object-Orientation #0A: Objects are Compositions

Building a Whole from Complementary Parts

Mar 11, 2024 • 

Ralf Westphal

3