Trunkoz Group Java Developer Interview interview questions

I applied online. I interviewed at Trunkoz Group (Mulund) in May 2019. they are very friendly.best interview experience. Interview 1st- aptitude test(find middle node of linked list,start pyramid ,collection time complexity,convert ipv4 to string in java.access modifiers in java and some program which include programs error and output ) 1st - Basic technical ( oops, collection,exception,Multithreading ,basic sql,String) 2nd-Machine test(find middle node of linked list,start pyramid ,collection time complexity,convert ipv4 to string in java. 2nd-Project, servlets jsp. 3rd-Manager round 4th-hr round