A.1. Overview of Servlets and JavaServer Pages
Advantages of Servlets
Efficient: threads instead of OS processes, one servlet copy, persistence
Convenient: lots of high-level utilities
Powerful: talking to server, sharing data, pooling, persistence
Portable: run on virtually all operating systems and servers
Secure: no shell escapes, no buffer overflows
Inexpensive: inexpensive plug-ins if servlet support not bundled
Advantages of JSP
Versus ASP: better language for dynamic part, portable
Versus PHP: better language for dynamic part
Versus pure servlets: more convenient to create HTML
Versus SSI: much more flexible and powerful
Versus JavaScript: server-side, richer language
Versus static HTML: dynamic features
Free Servlet and JSP Software
Tomcat: http://jakarta.apache.org/ ...
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