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JSP (java server page) is a server-side programming technology for making a web application.
JSP File can Contain HTML, CSS, Java Script code.
The extension of JSP file is “.jsp”.
What can JSP do?
- JSP can create, open, read, write, delete and close files on the server.
- JSP can collect form data.
- JSP can add, delete, modify data in our database.
- JSP can be used to control user access.
- JSP can encrypt data.
Why JSP ?
Run In Any Platform:
JSP runs on various platform like windows, Linux, Unix, mac OS etc.
Easy To Maintain:
Easy to maintain because we can separate our presentation logic and business logic.
Suppose we modify a JSP file, then we don’t need to recompile and redeploy the project.
JSP file having less code as compare to servlet file.
Hello world program
<% out.print("Hello World!"); %>