What is JSP?

JSP  which is the acronym for Java Server Pages is a server-side web programming technology whose major feature is to allow web developers to create platform-independent and dynamic methods for building Web-applications. JSP has complete access to the whole family of Java APIs, which includes the JDBC API that gives access to enterprise databases.

A JSP web page is a text document that contains two kinds of text which are, static data  (which can be represented in any text-based format such as HTML, WML, SVG, and XML), and JSP elements( which generate dynamic web contents).

The supported and recommended file extension for a complete source file of a JSP page is .jsp. The page can be made up of a top file that can is also made up of other files that contain either a complete JSP page or pieces of a JSP page. The recommended extension for the source file of a piece or fragment of a JSP page is .jspf.

Features Of JSP

There are lots of features of JSP and some of them are:

1. Make interactive websites: One of the major uses of JSP is to develop very interactive webpages. Webpages that are not just static but are alive with changing contents, dynamic and can communicate with the user in real-time.

2. Easier to read data from the user: With JSP, a user interacting with various controls such as textbox, dropdown list, button, checkbox can insert some information. With JSP, it is easier to accept that information entered by the user and forward it to the server.

3. Easier to display server response: After the data from the client's input is read, and sent to the server, a response object is sent back to the client and it is easily displayed. For example, after a user fills and submits a form, a response from the server is displayed using JSP, such as - "Congratulations, you have successfully registered for the event".

4. Allows you to add Java to your website: As you know JSP is the acronym for Java Server Pages, one of the main features of JSP is to support Java code to be added inside your HTML code, to give your webpage the programming power of Java and make it very powerful and interactive. JSP pages are internally converted to a Java bytecode file, therefore all the features of Java, like security, platform-independent and flexibility is available to the JSP web pages as well.

5. Easier to connect to the database: One of the major features of JSP is that it easily allows us to connect our website with the database so that we can transfer the data that is entered by our user to a database and read it back from the database when it is required.

6. Easy to code: JSP Job is mostly about including Java to your webpage's HTML and it is equitably easy to learn and code with. Anyone that has a decent knowledge of Java and HTML can easily learn and code JSP in a very short period.

Benefits Of JSP

There are lots of benefits of JSP and some of them are:

1. JSP web pages easily join static web templates, including pieces of HTML or XML, with code that produces dynamic content.

2. JSP web pages are dynamically compiled into servlets when they are requested, so the page authors can easily create updates to the presentation code. JSP web pages can also be precompiled if you desire so.

3. The tags of JSP for invoking JavaNetBeans components handle these components totally, blocking the page author from the complexity of handling the application logic.

4. Developers can present well customized JSP tag libraries that other page authors can access making use of a syntax like XML.

5. Web authors can edit and change the fixed template portions of web pages without directly affecting the software application logic.

6. Similarly, software developers can make changes to the application logic at the component level without modifying the individual web pages that use the logic.


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