round 1 technical questions on java. comparable vs comparator, string builder vs string buffer, hashmap, executor service. round 2 backend LLD + react FE questions - websockets, java vs javascript, call api without axios, websockets, LLD on cancellation system . i tried explaining but the interviewer had prepared how she wanted the design to be and was not able to understand my logic and flow, she wanted answer in the same way she knew

Asked specific questions about each language listed on resume and for demo code on those specificities.

write code block for isAnagram function