I attended Geecon 2018, this year’s IT conference. There are 2 main points I took into consideration. First, this is JVM, and as I can see there is a lot of that stuff running all around the world, so even if whole world would be magically converted to Python and stuff, it will take ages. And someone has to keep it running. Second, this is the language of Spark and Kafka, two of the projects of my interest in area of stream processing in Java world.