Design Patterns in Practice
Master the art of writing scalable and maintainable code with 'Design Patterns in Practice.' This series demystifies core software design patterns using real-world examples in C# and Python. Learn SOLID principles, spot anti-patterns, and gain practical insights for modern development.
Featured lesson
Introduction to Design Patterns
Kickstart your journey into reusable software architecture with this introduction to design patterns, types, principles, and real-world analogies.
Course curriculum
Lessons
Introduction to Design Patterns
Kickstart your journey into reusable software architecture with this introduction to design patterns, types, principles, and real-world analogies.
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Factory Pattern
Learn how the Factory Pattern enables flexible object creation without binding your code to specific classes. Includes C# and Python examples, UML, and real-world use cases.
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Singleton Pattern
Master the Singleton Pattern with step-by-step explanations, C# and Python code, real-world use cases, and common pitfalls. Learn how to manage shared instances the right way.
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Builder Pattern
Understand the Builder Pattern with detailed examples, C# and Python source code, and real-world use cases. Learn to construct complex objects step by step with ease.
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Prototype Pattern
Master object cloning with the Prototype Pattern. Understand shallow vs. deep copy, and implement it in real-world scenarios using C# and Python.
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Adapter Pattern: Making Incompatible Interfaces Work Together
Learn how the Adapter Pattern bridges mismatched interfaces to enable seamless integration. Includes C#, Python examples, UML, and real-world use cases.
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Decorator Pattern: Enhancing Behavior Dynamically
Learn how the Decorator Pattern allows behavior extension without modifying code. Includes C# and Python examples, UML, real-world use cases, and pros & cons.
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Proxy Pattern: Control Access and Enhance Behavior
Understand how the Proxy Pattern provides a surrogate to control access to real objects, allowing for behavior like access control, lazy loading, and logging. Includes C#/Python examples, UML, and real-world use cases.
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Proxy vs Decorator vs Adapter: Choose the Right Pattern
Confused between Proxy, Decorator, and Adapter? This blog compares their intent, use cases, and differences with real-world examples and guidance on when to use each.
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Strategy Pattern: Flexible Algorithms with Clean Separation
Master the Strategy Pattern to write flexible and interchangeable algorithms. Explore real-world examples, UML, and C#/Python code in this practical guide.
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Observer Pattern: Notify Dependents Automatically
Master the Observer Pattern to build dynamic, responsive systems that react seamlessly to changes. Dive deep into its UML structure, explore real-world scenarios where it shines, and reinforce your understanding through hands-on C# and Python implementations.
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Command Pattern: Encapsulate Requests as Objects
Master the Command Pattern to encapsulate requests, enable undo/redo, and decouple sender from receiver. Includes real-world use cases and C#/Python examples.
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Chain of Responsibility Pattern: Passing the Buck Gracefully
Master the Chain of Responsibility Pattern to build flexible pipelines where multiple objects can handle requests. Includes real-world use cases and C#/Python examples.
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Mediator Pattern – Simplifying Complex Object Communication
Use the Mediator Pattern to reduce tight coupling between objects by centralizing communication logic. Includes real-world use cases and C#/Python examples.
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State Pattern – Let Objects Evolve Their Behavior Dynamically
Learn how the State Pattern helps objects change behavior dynamically based on internal state. Includes real-world examples, UML, and C#/Python code.
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Visitor Pattern – Add Behavior Without Changing Classes
Learn how the Visitor Pattern helps you add new operations to existing object structures without modifying their classes. Includes real-world examples, UML, and C#/Python code.
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Template Method Pattern – Define the Algorithm Skeleton
Discover how the Template Method Pattern defines the algorithm skeleton while letting subclasses refine specific steps. Includes real-world examples, UML, and C#/Python code.
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Iterator Pattern – Access Elements Without Exposing Structure
Explore how the Iterator Pattern enables sequential access to elements in a collection without exposing its internal structure. Includes real-world examples, UML, and C#/Python code.
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Interpreter Pattern – Building Expression Evaluators and DSLs
Learn how the Interpreter Pattern helps evaluate expressions and define grammar for simple languages. Includes real-world examples, UML, and C#/Python code.
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Memento Pattern – Preserving Object State Without Breaking Encapsulation
Learn how the Memento Pattern captures and restores object state without violating encapsulation. Includes real-world examples, UML, and C#/Python code.
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Conclusion: Your Design Patterns Journey
Wrap up your design patterns journey with a recap of key concepts, resources for further learning, and how to apply these patterns in real-world projects.
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Quizzes in this series
Design Patterns in Practice Quiz
Test your understanding of design patterns, their applications, and best practices in software development with this quiz. Ideal for developers looking to enhance their design skills.
Design Patterns in Practice Quiz 2
Test your understanding of design patterns, their applications, and best practices in software development with this quiz. Ideal for developers looking to enhance their design skills.