web application using jsp and servlet source code github

Web Application Using JSP and Servlet: Understanding the Basics

In this article, we will delve into the world of web applications and explore the fundamental components that make them tick. We will also discuss how to use JSP (JavaServer Pages) and servlets to create a dynamic website.

To begin with, let's talk about URLs. A URL, which stands for Universal Resource Locator, is used to locate a server and resource on the web. Every resource has its own unique address, and this is what makes it accessible over the internet. Some common MIME types include text/html, text/xml, and application/xml.

The client uses these MIME types to render the data for the user. It's also known as the content type, which indicates the kind of data being sent by the server. In an HTTP response header, you might see a tag called 'Content-Type' that specifies the type of data being sent.

A key part of an HTTP response is the status code, which is an integer that indicates whether the request was successful or not. Some common status codes include 200 for success, 404 for Not Found, and 403 for Access Forbidden.

In addition to these components, there are a few other important parts of an HTTP response, such as the content and the content type. The content is the actual data that is rendered by the client and shown to the user, while the content type indicates the kind of data being sent.

Now, let's talk about HTTP requests. An HTTP request typically includes a form parameter, which is similar to an argument in a Java method. For example, you might use form parameters to send user details from a login page. The HTTP method, such as GET or POST, specifies the action to be performed.

Some important parts of an HTTP request include the HTTP method, form parameters, and the URL. The URL specifies the location of the resource being requested, while the HTTP method specifies what action should be taken.

HTTP runs on top of TCP/IP communication protocol, which is a common language between web servers and clients. HTML (Hyper Text Markup Language) is another important part of this equation, as it is the common language between server and client.

When you request something from a server through a URL, the web client takes care of creating a request and sending it to the server. The web server then processes the request and sends back a response, which the web client parses and presents to the user.

In this article, we will also explore how to create a basic web application using servlets and JSPs. We will discuss the different components involved, such as the web server, web client, and HTTP requests and responses.

By the end of this article, you should have a good understanding of the basics of web applications and how to use servlets and JSPs to create your own dynamic website.

In conclusion, this article has provided an overview of the different components that make up a web application. We have discussed the importance of URLs, MIME types, status codes, form parameters, HTTP methods, and other key concepts. We have also touched on how to use servlets and JSPs to create a dynamic website.

In our next article, we will delve deeper into the world of servlets and JSPs, exploring how to create more complex web applications using these technologies.

Web application using jsp and servlet source code github