The interview typically consists of an one hour phone call with senior developers that have been appointed as technical interviewers. For developer jobs, they start off with basic programming knowledge questions like OOP concepts, basic problems relating to data structures and algorithm analysis. After basic assesment, they start on language specific questions. For java interviews joshua bloch's effective java is a good source for preparation. Try to be assertive and lead the interviewer from the beginning to your areas of strength.

Conversation about java - common interview, java, spring, some DB questions, micro services, Kafka and messaging related staff, some unnesessery theory questions. About 20 percents of strange questions, not related to modern java programming. Totally common interview, really.