Key Insights and Tips: Designing an Stock Brokerage System

Congratulations on finishing the online stock brokerage system case study! In this lesson, we’ll reinforce your learning by pointing out common design mistakes to avoid and sharing effective strategies for tackling interview questions. You’ll also find a quick quiz to test your understanding and a list of related case studies to help you deepen your grasp of key object-oriented design principles.

Common mistakes

Avoiding these common mistakes will help you create a more reliable and scalable online stock brokerage system:

• Misunderstanding user roles and permissions: Confusing the roles and permissions of Member and Admin can lead to security issues or unauthorized access. ...