Java Servlet API Description Documentation (2.1A edition)

Servlet Glossary
Bytecode
BYTE code: Machine code generated by the Java compiler and Java interpreter.

Cookies
Data created by a Web server that is stored on the user's computer and provides a way for a Web site to track the user's parameters and store them on the user's own hard disk.

HTTP
Hypertext Transfer Protocol. A request-response protocol is used to connect the WWW server to the client browser to transfer HTML pages.

Input Stream Object
An object, defined by the ServletInputStream class, used by the servlet to read requests from the client.

Mapping
A pair of URLs of data returned by the servlet instance and servlet, for example, HelloServlet and/hello/index.html.

Output Stream Object
An object, defined by the Servletoutputstream class class, used by the servlet to return data to the client.
Request Dispatcher Object
An object defined by the RequestDispatcher interface that is used to receive requests from the client and send them to other resources available on the Web server (such as servlet, CGI, HTML files, or JSP files).

Sandboxed servlet
A servlet that runs under a security constraint.

Servlet
A small, platform-independent Java program that has no graphical user interface. It can expand the functionality of Web services in many ways.
S
Ervlet Configuration Object
An object defined by the ServletConfig interface that is used to configure a servlet.

Servlet Context Object
An object defined by the ServletContext interface. Give the servlet information about the servlet engine.

Servlet engine
An environment created by a Web server provider that allows the servlet to run on a specific Web server.

Servlet Request Object
An object defined by the ServletRequest interface that allows the servlet to obtain data with a client request.

Servlet Response Object
An object defined by the Servletresponse interface that allows the servlet to respond.

Servlet runner
The sun.servlet.http.HttpServer process in the Java servlet Developer ' s Kit (JSDK), which enables the servlet to run.

Session tracking
In a Web application, the ability to identify a sequential, unique request that is issued from the same client.

Ssl
The cryptographic socket protocol layer. A security protocol that is used to exchange keys and encrypt data between the client browser and the server on the iternet.

Uri
Uniform Resource identification. Defines an Internet address, which is a superset of a URL.

Url
The Uniform Resource path. This address defines the route to a file on www, usually consisting of a protocol prefix, domain name, directory name, and file name.