Java web development involves creating web applications using the Java programming language. These applications can range from simple websites to complex enterprise-level systems. Here are the key aspects and technologies involved in Java web development:

1. Web Application Basics
Understanding Web Architecture: Know how client-server architecture works, including the roles of the browser, web server, and application server.
HTTP Protocol: Understand the basics of the HTTP protocol, including methods (GET, POST, PUT, DELETE), status codes, and headers.
2. Java Web Technologies
Servlets and JSP (JavaServer Pages): Core technologies for Java web development.

Servlets: Java classes that handle requests and responses in a web application.
JSP: Used for creating dynamic web content with HTML, CSS, and Java code embedded.
JavaServer Faces (JSF): A framework for building component-based user interfaces for web applications.
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