General CS questions, not difficult. They cover fundamentals such as recursive algorithms and stacks.
There might be some brain teasers and behavior questions.
If your major is CS, I guess it should be fine for you.
The following metrics were computed from 271 interview experiences for the Oracle Software Engineer role in United States.
Oracle's interview process for their Software Engineer roles in the United States is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Oracle's Software Engineer interview process in United States.