Whatfix Software Develpper interview questions

Nicely conduct . Interviewer is far more good than I expected . First he started my interview asking about the the project then he moved on asked the Data Structure question . then I moved on for the next interview and there , he asked medium level DSA question on sorting

Standard programming interview pattern. Coding Round followed by around three technical interview rounds; all remote. Java preferred, but no restriction on using any other programming language. Questions were is medium difficulty.