I haven't actually seen java in package names, but I can easily imagine the conversation where some over-planning architecture astronaut decides that the projec

I haven't actually seen java in package names, but I can easily imagine the conversation where some over-planning architecture astronaut decides that the project may need code in another language in the future (without bothering to worry about if that language even uses Java style packages) and so they better make a directory that is specific for the Java code so they can keep the other code separate, if they need to add more languages in the future.