Design Patterns

Learn how the Template Method Pattern lets you define the algorithm structure once and let subclasses customize specific steps

A clear explanation of the Observer Pattern, when to use it, and how it helps decouple your code by implementing a publish-subscribe model.

Learn how the Command Pattern separates 'what to do' from 'how to trigger it' to create more flexible and maintainable code

A clear explanation of the Strategy Pattern, when to use it, and how it helps you avoid messy if-else chains when implementing multiple behaviors.

Understand the Iterator Pattern with a real-world example of handling different types of collections in Java

Learn how the Decorator Pattern helps add functionality to objects without modifying their core code

Learn how the Chain of Responsibility Pattern helps handle requests by creating a chain of handlers with single responsibilities

Learn how the Builder Pattern solves complex object creation problems with a clear, step-by-step approach

Learn how the Factory Pattern helps manage creating different types of notification objects