Key Differences between Servlets and JSP in Java EE

Servlets and JSP are both fundamental technologies in Java EE for developing web applications. Here are the main differences between servlets and JSP:

1. Programming Model: Servlets follow a controller-based model, where the logic is implemented in Java classes. JSP follows a view-centric model, allowing HTML-like pages with embedded Java code.
2. Development Complexity: Servlets require Java programming skills to create and manage, while JSP allows for easier integration of dynamic content directly in the HTML page.
3. Reusability: Servlets can be reused across multiple JSP pages or even in other servlets, promoting code reusability. JSP pages are typically standalone and may not be easily reusable in other parts of the application.
4. Performance: Servlets tend to offer better performance as they directly generate dynamic content without the need for translation. JSP pages need to be translated into servlets before being executed, potentially leading to a performance overhead.
5. Separation of Concerns: Servlets encourage a clear separation of business logic from presentation, making it easier to maintain and debug. JSP, on the other hand, blurs this separation by mixing presentation and logic within the same file.

Overall, servlets and JSP are both essential components in Java EE web development, each serving different purposes and catering to varying development needs.