It is the entrenched, default back-end business language. It will be running on servers for the next 30 years. 30 years from now, there will be job posts wanting "Java developers to maintain microservice/agile/tdd-based services" because all the Java devs will be retired and everything will be programming by thinking about algorithms and transmit it directly to the compiler via a brain implant.

Agreed. Somehow I thought you meant C# :0