I. Introduction to SOLID Principles: The course commences with a comprehensive introduction to the SOLID principles—a set of design principles that promote maintainability, flexibility, and scalability in software development. Participants delve into the principles named after the first five letters of SOLID: Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion. The foundational understanding of SOLID principles serves as a guiding framework for the rest of the course.
II. Single Responsibility Principle (SRP): Participants explore the Single Responsibility Principle, focusing on the importance of a class having only one reason to change. The course emphasizes how adhering to SRP leads to more modular and focused classes, facilitating code that is easier to understand, modify, and maintain.
III. Open/Closed Principle (OCP): The Open/Closed Principle is introduced, emphasizing the design principle that a class should be open for extension but closed for modification. Participants gain insights into strategies such as abstraction and polymorphism, enabling the extension of system behavior without altering existing code.
IV. Liskov Substitution Principle (LSP): The Liskov Substitution Principle is explored, highlighting the interchangeability of objects within a class hierarchy. Participants understand how adhering to LSP ensures that derived classes can be substituted for their base classes without affecting the correctness of the program.
V. Interface Segregation Principle (ISP): The course introduces the Interface Segregation Principle, emphasizing the importance of creating fine-grained and client-specific interfaces. Participants gain insights into designing interfaces that are tailored to the needs of individual clients, preventing unnecessary dependencies.
VI. Dependency Inversion Principle (DIP): The Dependency Inversion Principle is explored as participants learn how to design systems where high-level modules are not dependent on low-level modules but rather on abstractions. The course covers the use of dependency injection and inversion of control to create flexible and maintainable architectures.
VII. Practical Application of SOLID Principles in Java: The course transitions to practical applications of SOLID principles in Java. Participants engage in hands-on exercises, refactoring existing code, and designing new systems to apply SOLID principles effectively. Real-world examples in Java illustrate the impact of SOLID principles on code quality and maintainability.
VIII. Design Patterns Overview: The course introduces design patterns as proven solutions to recurring design problems. Participants gain an understanding of foundational design patterns such as Creational, Structural, and Behavioral patterns. The overview sets the stage for in-depth exploration and application.
IX. Creational Design Patterns in Java: Participants dive into Creational Design Patterns such as Singleton, Factory Method, and Abstract Factory. The course covers scenarios where these patterns are applicable and guides participants in implementing them in Java to achieve flexible and scalable object creation.
X. Structural Design Patterns in Java: The course explores Structural Design Patterns, including Adapter, Decorator, and Facade patterns. Participants learn how to use these patterns to compose classes and objects into larger structures, facilitating code organization and reusability in Java applications.
XI. Behavioral Design Patterns in Java: Participants delve into Behavioral Design Patterns like Observer, Strategy, and Command. The course covers scenarios where these patterns excel, guiding participants in implementing them to enhance communication between objects, encapsulate algorithms, and manage behavior variations.
XII. Integration of SOLID Principles and Design Patterns in Java: The course culminates in integrating SOLID principles and design patterns in Java applications. Participants are guided in creating cohesive and adaptable systems that leverage both SOLID design and design patterns. Practical examples showcase how these principles work in synergy to create high-quality software.
XIII. Code Reviews and Refactoring Techniques: Understanding SOLID principles and design patterns facilitates effective code reviews and refactoring. The course covers best practices for conducting code reviews, identifying violations of design principles, and implementing refactoring techniques to enhance code quality and maintainability.
XIV. Building Robust Java Codebases: The course provides guidance on building robust Java codebases for software projects. Participants gain insights into incorporating SOLID principles and design patterns into project architectures, fostering collaboration among team members, and creating a foundation for scalable and maintainable systems.
XV. Continuous Learning and Community Engagement: Recognizing the ever-evolving nature of software development, the course encourages participants to embrace continuous learning and community engagement. Participants are provided with curated resources, recommended readings, and access to communities dedicated to SOLID principles, design patterns, and Java development best practices.
In conclusion, the “Mastering Software Architecture (SOLID) & Design Patterns in Java” course is a comprehensive and hands-on journey for Java developers and architects aiming to elevate their design skills. By providing a deep understanding of SOLID principles, coupled with practical insights into design patterns, this course empowers participants to create Java applications that are not only robust and scalable but also aligned with industry best practices.