1. DSA question - Longest substring with no repeating characters. 2. DSA question - First unique character in a string 3. Java Basics 4. OOPS basics My advice to the oracle is "be a human first, learn that recruitment process is not a teacher student meeting, it's a meeting where even candidate assesses the company. So send your interviewers prepared" Also, learn how to give and receive feedback. It's an art.