Java Servlet is a technology that uses java language along with a range of interfaces and classes in its API to enable users to build web applications. It is a widely used generic extension. It is a portable technology which works on the server side. It is recognized for its ability to handle requests from web servers with efficiency. Java Servlet supports many different types of protocols. It eliminates the possibility of memory leaks and garbage collection. It has interfaces and classes such as GenericServlet, ServletRequest, ServletResponse and HttpServlet. It provides URL mapping as well. It is widely used in the development of eCommerce fronts.

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Websites using Java Servlet by countrymarket share · top 6 countries
🇺🇸United States
30%
🇩🇪Germany
20%
🇦🇪United Arab Emirates
10%
🇨🇦Canada
10%
🇵🇪Peru
10%
🇨🇲Cameroon
10%
0%7.5%15%23%30%
Websites using Java Servlet by industrydetected industries
Manufacturing & Industrial · 17%Wholesale & Distribution · 17%Shopping · 17%Fashion & Beauty · 17%Hardware & Electronics · 17%Chemicals & Materials · 17%MARKETSHARE
Manufacturing & Industrial17%
Wholesale & Distribution17%
Shopping17%
Fashion & Beauty17%
Hardware & Electronics17%
Chemicals & Materials17%

Websites using Java Servlet

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Frequently asked

What is a Java Servlet?
A Java Servlet is a server-side technology that allows web developers to create dynamic, platform-independent web applications. It acts as an intermediary between the client's browser and the server to handle HTTP requests, generate responses, and manage sessions.
What is the role of the Servlet Container?
The Servlet Container, also known as the Servlet Engine, is a component of a web server that manages the lifecycle and execution of Java Servlets. It is responsible for loading and initializing servlets, executing servlet methods, and handling the communication between the client-side and server-side.
What is the difference between doGet() and doPost() methods in a Servlet?
The doGet() and doPost() methods in a Servlet are used to handle HTTP GET and POST requests, respectively. The doGet() method is requested by the client when they want to retrieve information from the server without making any changes, while the doPost() method is used when the client wants to send data to the server for processing, usually by submitting a form.
How can you maintain state or session between multiple HTTP requests in Java Servlet?
Java Servlet provides HttpSession interface to maintain state or session between multiple HTTP requests. A session is created when the client connects to the server and is assigned a unique identifier called Session ID. You can use the getSession() method to create or retrieve an HttpSession object and then store and retrieve session attributes using the setAttribute() and getAttribute() methods, respectively.
What is the purpose of ServletRequest and ServletResponse interfaces?
The ServletRequest interface represents a client's request to access resources on the server. It provides methods to get request-related information such as request parameters, input stream, content type, etc. The ServletResponse interface represents the response generated by a servlet for a specific client request. It provides methods to manage the output stream, content type, and status code for the response. Together, ServletRequest and ServletResponse form the basis of communication between a client and a servlet.