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SOLID Excellence: Learn to write Clean and Scalable Code

Issued: 8/25/2025

Certificate ID: cert-dsc0d810c

Alaa Asaad has successfully completed the SOLID Excellence: Learn to write Clean and Scalable Code

Verified credential issued by the course provider

About this Credential

SOLID Excellence: Learn to write Clean and Scalable Code - A hands-on 3-hour workshop to understand how to use the SOLID principles for writing clean, maintainable, and scalable object-oriented code. Companies will love you after this workshop!

This certificate validates the successful completion of "SOLID Excellence: Learn to write Clean and Scalable Code" and demonstrates competency in the course materials and objectives.

What was learned:

  • How to apply Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion in real code.
  • Techniques to refactor legacy/spaghetti code into modular, testable components. (A skill every company needs you to have)
  • Patterns for designing extensible and maintainable software.
  • How to use dependency injection and interface-driven design to improve testability.

Skills / Knowledge

Single Responsibility Principle
Open/Closed Principle
Liskov Substitution Principle
Interface Segregation Principle
Dependency Inversion Principle
Clean Code Practices

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