The hiring process is through college. Once you crack an aptitude round, they call you for an interview that has three rounds: two technical and one HR.
Cracking the Oracle aptitude test is very difficult, but existing question papers on Google help a lot.
All basic questions on the languages that you mention and project-related questions.
The following metrics were computed from 7 interview experiences for the Oracle Software Developer role in Mumbai, Maharashtra.
Oracle's interview process for their Software Developer roles in Mumbai, Maharashtra is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Oracle's Software Developer interview process in Mumbai, Maharashtra.