IBM Application Developer interview questions

I got assessment for first time and 2 dsa medium questions based on binary conversion and one roman numerals , and I clear all test cases , it was a hacker rank test , if u prepare medium level problem la it is enough

Had a great interview through college placements. The interview went on for 45 minutes. Interview questions was mainly around: Introduce yourself, Basic Java questions, OOPS, Projects worked on, 2 string based coding question