Accenture Custom Software Engineering Associate interview questions

My Question: hashmap vs treemap how comms is processing incoming file what java and spring boot version u are using.. why still 2.5 spring boot u are using latest spring boot version string immutable lambda expression functional inetrface functional inetrface can implemet other interfcae? interface can have default methods @profile annnotation. java 8 features u used what problems u have faced in ur project stream questions: second largest number from a list. reduce() --> what it does functions u used in stream.