What Are JSP and Servlet?
Differences between JSP and Servlet
Websites are assemblages of static files, such as HTML, graphics, and picture files. If these websites offer dynamic functions while housed on the servers, they are referred to as web apps.
Most websites operate using a client-server model, where the client submits requests to the server, which response by processing the requests and delivering the desired results. The HTTP protocol is used for this communication. We shall examine the distinctions between JSP and Servlet in this essay.
The Java-based server-side applications known as servlets implement the Servlet interface and manage all client requests sent to the server. Servlet serves as a transitional layer between client requests and server-hosted programmes.
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Servlets are used to dynamically construct web pages, present the results, and collect input from users, such as through forms.Similar to Servlets, JSP, or Java Server Pages, is a technology used to build online applications. JSPs can be thought of as an extension of Servlets because they are simpler to maintain and offer additional features. JSPs, or Java Server Pages, are a key component of Java EE.
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What Are JSP and Servlet?
Web pages are created using a wide range of technologies together referred to as JSP, or Java Server Pages. These websites were created by using JSP tags to insert Java code into HTML pages. With JSP actions and commands, the collection may include HTML, XML, or both.
JSP contains both static and dynamic data; the former can take the form of HTML, XML, SVG, or WYML files; the latter can take the form of JSP elements. Servlet engine containers maintain Servlets, which also communicate with clients and produce dynamic content. The features offered by servers are expanded using servlets.
Differences between JSP and Servlet
The use of component-based, platform-independent servlets allows for the development of web applications. It disregards CGI programmes' performance-based limitations (Common Gateway Interface). Servlets can access all Java APIs and corporate databases using the JDBC API.
JSPs are used for server-side programming and for building dynamic, cross-platform online applications. To assist us to decide which one is a better option if there is a specific requirement, we can compare JSP with Servlet based on the following criteria.
Servlet |
JSP |
| Servlets are faster as compared to JSP, as they have a short response time. | JSP is slower than Servlets, as the first step in the JSP lifecycle is the conversion of JSP to Java code and then the compilation of the code. |
| Servlets are Java-based codes. | JSP are HTML-based codes. |
| Servlets are harder to code, as here, the HTML codes are written in Java. | JSPs are easier to code, as here Java is coded in HTML. |
| In an MVC architecture, Servlets act as the controllers. | In MVC architectures, the JSPs act as a view to present the output to the users. |
| The service() function can be overridden in Servlets. | The service() function cannot be overridden in JSPs. |
| The Servlets are capable of accepting all types of protocol requests. | The JSPs are confined to accepting only HTTP requests. |
| Modification in Servlets is a time-consuming and challenging task, as here, one will have to reload, recompile, and then restart the servers. | Modification is easy and faster in JSPs as we just need to refresh the pages. |
| Servlets require the users to enable the default session management explicitly, as Servlets do not provide default session management. | JSPs provide session management by default. |
| Servlets require us to implement the business logic and presentation logic in the same servlet file. | JSPs give us the flexibility to separate the business logic from the presentation logic using JavaBeans. |
| Servlets can handle extensive data processing. | JSPs cannot handle data processing functions efficiently. |
| Servlets do not provide the facility of writing custom tags. | JSPs can provide the facility of building the JSP tags easily, which can directly call JavaBeans. |
| In Servlets, we do not have implicit objects. | In JSPs, we have support for implicit objects. |
| Servlets are hosted and executed on Web Servers. | JSP is compiled in Java Servlets before their execution. After that, it has a similar lifecycle as Servlets. |
| We need to import all the packages at the top of the Servlets. | In JSPs, we can import packages anywhere in the file. |
Are JSP and a servlet similar?
No. Java is used in the development of Servlet. JSP is mainly written in HTML, though Java code may be used if JSTL or another language was used instead.Why is JSP used rather than a servlet?
JSP is preferable to Servlets in terms of coding language because it can only be written in one language: Java; in contrast, a Servlet application must first be written in HTML format. Then it is transformed into Java during compilation.
What are servlets and JSP?
The capabilities of the Web server are increased by JavaTM servlets and Java server pages (JSPs), which are Java programmes that execute on a Java application server. Java servlets are Java classes created with the specific purpose of responding to HTTP requests within a Web application.
