Decimal Technologies Senior Software Engineer interview questions

It was quit good and held on time , there was 3 technical round and 1 hr round . 1st technical round - asked multithreading, collections, hashmap internal working, cuncurrent hashmap, java 8 stream api etc. One program to write ... print maximum repeating sequence in a string. 2nd round- About project and there usecase implementation logic. Some scenario based questions. 3rd round- Springboot, MicroServices , sql and spring cloud related questions.