Servlets Questions

⦿How Do Servlets Handle Sessions, Instance Variables, and Multithreading?

Learn how servlets work regarding sessions instance variables and multithreading in web applications.

⦿Understanding the Difference Between JSF, Servlets, and JSP: A Comprehensive Guide

Explore the differences between JSF Servlets and JSP including their relationships and use cases in Java web applications.

⦿What is a Java Servlet? A Beginner's Introduction

Learn what Java Servlets are their advantages and how they differ from other serverside programming languages like PHP and ASP.

⦿How to Choose Design Patterns for Web-Based Applications Using Servlets?

Learn how to effectively distribute responsibilities among Servlets when designing webbased applications. Discover best practices and design patterns.

⦿How to Import the javax.servlet / jakarta.servlet API into an Eclipse Project

Learn how to resolve javax.servlet and jakarta.servlet package issues in Eclipse for servlet development. Stepbystep guide and code examples included.

⦿How to Use Servlets with AJAX to Update Content on the Current Page

Learn how to effectively use servlets and AJAX to enable dynamic content updates on your web pages without reloading.

⦿Understanding the Differences Between getAttribute() and getParameter() in HttpServletRequest

Explore the key differences between getAttribute and getParameter methods in HttpServletRequest for effective Java Servlet development.

⦿How to Retrieve the Complete URL from an HttpServletRequest in Java?

Learn how to extract the full URL from an HttpServletRequest object in Java including tips on handling parameters and potential pitfalls.

⦿How to Add Servlet 3.0 API Dependency in Maven?

Learn how to specify the Servlet 3.0 API as a Maven dependency and resolve repository issues with clear examples.

⦿What is the Purpose of the WEB-INF Directory in a Java EE Web Application?

Learn about the WEBINF directory in Java EE applications its structure and common contents like web.xml JSPs and more.

⦿How to Retrieve the POST Request Body from HttpServletRequest in Java?

Learn how to extract the full body from HttpServletRequest for POST requests in Java with detailed explanations and code examples.

⦿Understanding the Differences Between getRequestURI and getPathInfo in HttpServletRequest

Explore the key differences between HttpServletRequest getRequestURI and getPathInfo methods to handle requests effectively.

⦿What Are the Downsides of Tomcat vs Jetty in Production Environments?

Explore the drawbacks of Tomcat and Jetty in production settings including performance issues and feature considerations.

⦿How to Retrieve JSON POST Data from HttpServletRequest in Java

Learn how to extract JSON data from HttpServletRequest in Java including common mistakes and debugging tips.

⦿How to Resolve the Error: "The Import javax.servlet Can't Be Resolved" in Eclipse?

Learn how to fix the The import javax.servlet cant be resolved error in your Eclipse Java EE project using Tomcat. Stepbystep guide included.

⦿How to Retrieve the Referring URL in a Java Servlet Using HttpServletRequest

Learn how to obtain the referring URL in a Java Servlet with HttpServletRequest including code examples and common pitfalls.

⦿How to Set a Default Error Page in web.xml for Unspecified Error Codes?

Learn how to configure a default error page in web.xml for unspecified error codes in your Java web application.

⦿How to Retrieve URI Without Context Path in Java Servlets

Learn how to extract the URI excluding the context path in Java Servlets. Follow our stepbystep guide for a clear implementation.

⦿How to Create a Servlet for Serving Static Content in a Web Application

Learn how to create a simple servlet to serve static content like images and CSS in Tomcat and Jetty supporting IfModifiedSince and optional gzip encoding.

⦿How to Resolve Eclipse Build Path Nesting Errors for JSP/Servlet/Tomcat Web Applications

Learn how to fix Eclipse build path nesting errors when working on JSPServletTomcat web applications. Get expert advice and code examples.

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