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.
you can put your jar files everywhere in the class path. If you are developing web apps there are two possibilities. WEB-INF/lib of your application or /lib of your server. Preferred way is to put it in the application lib dir, cause then if you redeploy on a different server you have everything you need. For normal java applications the jars can be everywhere but you have to include them in your startup file or your command java -classpath $PATH/your.jar Hope that helps