Category Archive for "Oop"

What does it mean to "program to an interface"?

Programming to an interface is a fundamental concept in object-oriented programming (OOP) that allows for flexibility, modularity, and code reusability. It is an impo...

Why use getters and setters/accessors?

When developing object-oriented programs, it is a common practice to use getters and setters, also known as accessors and mutators, to access and modify the values of class fields...

Prefer composition over inheritance? Exploring the Trade-Offs of OOP Approaches

In object-oriented programming (OOP), two common approaches for code reuse and structuring are inheritance and composition. Both approaches offer advantages and trade-offs, and und...

What is the purpose of the `self` parameter? Why is it needed?

The self parameter in Python is used to reference the instance of a class within its own methods. It is a convention in Python to use self as the first parameter name, but you can...

What are metaclasses in Python?

Metaclasses in Python are mysterious and magical. They give you the ability to modify and control the behavior of classes. They are often considered the "class of a class" and are...

Understanding the Meaning of Single and Double Underscore Before an Object Name in Python

In Python, you might come across object names that start with either a single underscore (_) or a double underscore (__). These underscores have special meanings and conventions as...