Microsoft Software Developer - Internship interview questions

The interview was scheduled for October 14th. It started with a brief introduction, and then the interviewer started testing me on the concepts of OOPS. I was happy because this was one topic that I had never prepared for in my college life because my concepts were clear right from 10+2. I was asked about some concepts in inheritance, like polymorphism, the difference between method overloading and method overriding, virtual keywords, and abstraction

There were multiple stages to the interviewing process, including a number of phone calls, as well as interviews in which we were asked to solve programming problems. We had free choice over the language in which we solved the problems