Oracle Applications Engineer interview questions

was two level of interview process. 1 coding exam and then face to face interview, inheritance,overloading and overriding, tread programming,synchronization,left join, join 2. work experiences related to their technology ,how is the customer interaction,requirement collection .

3 rounds of interview. Oracle came to the university for interview. All three were technical rounds. Be strong in algorithms. First question was to Find the first non repeating letter in a word