Learning Objectives REST

Javalin

1. Routing and Endpoints: Learn how to define routes and endpoints in Javalin to map HTTP requests to specific handlers or controllers.
2. Middleware(Http filters): Explore the concept of middleware in Javalin and how it can be used to add common functionality (e.g.,logging, authentication) to your web application.
3. Request and Response Handling: Master the techniques for processing and manipulating incoming requests and outgoing responses in Javalin, including parsing and rendering data.
4. Context Object in Javalin: Understand the Javalin Context object and how it provides access to information about the current HTTP request and response, including parameters, headers, and the request body.
5. Route Handlers: Learn how to define and implement route handlers in Javalin to handle specific HTTP endpoints, including how to use the ctx parameter to interact with the request and response.
6. Exception Handling: Explore the techniques for handling exceptions in Javalin, including how to use exception handlers to gracefully handle errors and return appropriate HTTP responses.
7. Routing in Javalin: Master the concept of routing in Javalin, including how to define routes for different HTTP methods (GET, POST, etc.) and map them to specific route handlers.
8. Path Parameters: Understand how to use path parameters in Javalin routes to capture dynamic parts of URLs and pass them as parameters to route handlers, enabling flexible and dynamic routing.

Http

1. HTTP Methods Understanding: Explain the fundamental HTTP methods (GET, POST, PUT, DELETE) and their primary purposes in web development, including how they map to CRUD (Create, Read, Update, Delete) operations.
2. HTTP Status Codes Mastery: Familiarize yourself with common HTTP status codes (e.g., 200 OK, 404 Not Found, 500 Internal Server Error) and their meanings. Understand when and how to use these status codes in HTTP responses.
3. Handling HTTP Methods: Learn how to define and handle various HTTP methods in web applications, including routing requests to specific handlers based on the method used.
4. Effective Status Code Usage: Gain proficiency in selecting and returning appropriate HTTP status codes in your web application based on the success or failure of the request, ensuring clear and meaningful communication between the client and server.

REST

1. Define REST: Explain the principles and concepts of Representational State Transfer (REST) in web services.
2. HTTP Methods: Describe the various HTTP methods (GET, POST, PUT, DELETE) used in RESTful APIs and their corresponding CRUD operations.
3. Resource Identification: Understand how to identify and structure resources using URIs in RESTful design.
4. Statelessness: Explain the importance of statelessness in REST and how it simplifies interactions between clients and servers.
5. Status Codes: Learn about common HTTP status codes (e.g., 200, 404, 500) and their meanings in RESTful API responses.