olemus
väike serveril töötav programm, enamati Java-aplett veebiserveri keskkonnas
= a small server-side program, usually a Java applet in a web server environment

ISO 13374:
Java-veebiserveri rakenduse laiend
= application extension to a Java Web server

ülevaateid
https://en.wikipedia.org/wiki/Jakarta_Servlet

https://www.imperial.ac.uk/computing/people/csg/guides/java/servlet-tutorial---some-examples-of-java-servlets/

https://docs.oracle.com/javaee/6/tutorial/doc/bnafd.html

https://beginnersbook.com/2013/05/servlet-tutorial/