This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Just read the online documentation given by the vendor. It will be even understand by anyone. Then start it by execute startup.bat in tomcat bin folder and type http://localohost:[portno]/ in your browser and you see the home page. And have a look at the Servlet examples there and it's self explanatory which is enough for you..
Never try to be a hard-worker. Be a smart-worker.