How to talk about your project when interviewing Java programmers

In fact, people look at your project experience mainly not by how many skills you have mastered, but by the degree of your business logic. When introducing your own project, you'd better pick up the business logic and say, "I use XXX framework …" and so on, which will make people feel that you are poor.

For example, in OA project, access control and workflow are two major difficulties. You can talk about these aspects. ...

As for the rest, it depends on your personal situation. Anyway, which business logic is responsible