Siemens Graduate Engineer Trainee interview questions

In technical interview , They asked questions related to Programming language that you mentioned in your resume in my case it is JAVA. Questions on all the oops concepts and how you used oops concepts in your project. one coding question to reverse string Asked about queue one simple sql query. in managerial round they asked about projects and technology used in it. OOPS concepts. Favourite subject, Technology and framework you know and rate yourself, tell me what you know about siemens, Why do you want to join siemens.

They asked me on the basis of digital electronics analogue electronics and some parts of operating system as well as computer networks.