This brief tutorial will help you in running your first Java Servlet. As java Servlets are server side programs that are compiled by a java compiler and the their class files are executed by a web browser.
So it would be your first question how can we execute that class file(Servlet's Bytecode) on a web browser by submitting a URL of that servlet name?Definitely it's very easy and straight forward.
To run a Servlet you must have a web container installed and configured in your computer. In case of java Servlets you must have a Tomcat installed in your computer.It is a java based web server founded by the Apache Organization.
Apart from this, you should also have the standard JDK installed on your local machine.
So first of all i will teach you how to install standard JDK and it's configuration on local machine.