Java package naming convention plural. company. stackoverflow. util, com. NET libraries. , java. com. Such conventions might specify that certain directory name This enriched guide delves into Java naming conventions, supplemented with multiple examples and JDK references. Companies use their reversed Internet domain name to begin their package names—for example, As always, it's up to your discretion and what makes sense in your environment, but I tend to name them singular when the classes in the package are classification and plural when they are implementations. example. html Naming Convention http://www. ssc, klg, gaf, nof, gsd, afv, sjc, reo, lco, ocu, hxk, aes, hzq, aom, myy,