Nucleus Software Exports Associate Software Engineer interview questions

I had campus placement in nucleus the interview process involved 1. first round was aptitude test 2. second was basic core java questions 3. third round was introduction and salary discussion

Mainly technical round in which program was given to write which could easily be solved if have experience in competitive programming. A thorough knowledge of java required which can be achieved by core java books and sites like tutorialspoint or javatpoint.