HCLTech Software Developer interview questions

Interview consists of 2 technical rounds followed by a HR round..First round was tough though..second round in my case based on the comments from the first round interviewer. HR is just a salary and joining date negotiation.

Basic in Java, data structure, operating system and unix concepts and be good in communication. Face to face process. Try to be smart enough in core area. Project knowledge worked and experience should be clear to explain