MathWorks Application Support Engineer Intern interview questions

All the questions were the same as given in glassdoor. Be sure you go through them. They expect you to answer almost all the questions.

Got an email from HR for video interview. technical interview was simple ..basic questions on Object oriented progmng like what is OOP, adv of OOP, how a graph is represented in practice, applications of null pointers, some code snippets(most of which u can find online) diff betn #define and const ,mutex,cache,JVM,JRE JDK difference, what is classpath, Big O notation: what is O( n!+n ) ? virtual destructor, structure union difference,