Infosys Software Developer interview questions

Multithreading,Collections Majority of the questions were from Threading concepts and some were from collections too.Process took 3 days i was interviewed trough recruiter Was told to write program on threading and collections

simple basics questions were asked about linked list and trees. and then some question about multithreading from OS and networking m database was given due focus and Hr asked about the team working capability and overal a very nice experience.