Developing your own game engine in java. How to start?

Question

Java

Tell me where to start developing your own engine?

Answer 1

Answer the question "do I need it and someone else?"

Answer 2

mmmm probably from this
well or from this

Answer 3

Did you look around?
Why write your own game engine if there is a wide choice, especially if you have no experience in this

Answer 4

Start with this