Tata Consultancy Services Sr. Software Engineer interview questions

Need to brush up indepth core java spring boot micro service based on requirement hands on practice collection string arrays java 8 functional interfaces and stream map function main framework Maven Spring MVC need to brush those annotations and implementation

1st round was over call, technical questions were asked over the call. Another Interview was on very basic questions, 3 pannel , 2 technical and one PO Asking about agile, waterfall differences. JS coding questions were like tell us the output of the following code block on setTimeout functions.