Interview process have 3 rounds (Written test+ Face to Face Tech+HR)and it takes 2-5 days time whether you select for the role or not. Written test is moderate if have a good knowledge on Aptitude and Core Java. Interviewer is ask you basic concepts and basic programs .

Good interview experience You must have a clear Basics Data Structure is must like array, string, linked list, stack, sorting, searching. These Data structures is sufficient to crack interview you have a good knowledge of basic of programming and oops