Understanding the roots of state management with the Observer Pattern

Implementing undo mechanisms with the optimization benefit most intensive, modern apps require

Using the command pattern to understand how most modern frameworks implement the right balance of abstraction and control

One object many forms ! Here, we up our strategy game up by working with templates, inheritance and polymorphism

Learning the OOP way to execute different algorithms in different situations using the Strategy Pattern

Understanding how the state-change-reactiveness of modern software is implemented by studying the state pattern