Servlets Web Application Development

Servlets Web Application Development

Servlets – Web Application Development Introduction to Java Servlets Java Servlets are server-side programs written in Java that extend the capabilities of web servers. They are a fundamental part of Java web development and are used to handle HTTP requests and generate dynamic web content (e.g., HTML, JSON, or XML) in response. Servlets are the building blocks of many Java-based web applications, particularly when working with Java EE (now known as Jakarta EE). Here’s a breakdown of Java Servlets: 1. What is a Servlet? A servlet is a Java class that responds to requests from a web client, usually a browser, and generates dynamic content. They are capable of processing requests and sending responses back to the client via HTTP or HTTPS protocols. Servlets operate in a servlet container (like Apache Tomcat or Jetty), which provides an environment for the servlet to run. The servlet container manages the lifecycle of servlets, including loading them into memory, handling requests, and invoking methods based on the HTTP methods (like GET, POST, etc.). 2. How Does a Servlet Work? A client (usually a web browser) sends an HTTP request to the server. The server passes this request to the servlet container. The servlet

Updated July 15, 2026