Geeksforgeeks Java Backend Development Upd [extra Quality] May 2026

Java Backend Development

Here’s a structured, informative overview of based on the typical high-quality content you’d find on GeeksforGeeks .

• HTML/CSS/JavaScript: Basic knowledge helps in understanding how the frontend consumes your APIs.
• HTTP Protocol: Understanding request methods (GET, POST, PUT, DELETE), status codes (200, 404, 500), and headers.
• Servlets: The foundation of Java web servers. Learn the Servlet Lifecycle (init, service, destroy).
• JSP (JavaServer Pages): Though largely replaced by frontend frameworks, understanding JSP helps in maintaining legacy systems.

• Singleton (Bean scopes), Factory (BeanFactory), Proxy (AOP), Decorator, Observer (event listeners), Strategy, Template Method, DTO.

Part 2: The GFG UPD Roadmap for Java Backend

5. Weaknesses / Gaps (compared to other platforms)

Learning Resources:

Every topic includes pre-reading articles, video lectures, and practice MCQs with weekly contests to track progress. Updated 2026 Industry Skills geeksforgeeks java backend development upd

Spring MVC:

Understand the Request-Response lifecycle and how to build RESTful APIs. Singleton (Bean scopes)

Certificate of Completion

• Socket and ServerSocket for raw TCP.
• HttpURLConnection (old) vs HttpClient (Java 11+ modern).
• Understand HTTP methods, status codes, headers.