Frage im Vorstellungsgespräch bei NCR Corporation

Some questions: - abstraction (interface, abstract class) - singleton pattern, factory pattern - marshalling - multithreading (semaphore, mutex, lock, autoreset events, deadlock) - C++ examples, how to free objects - how garbage collector in .NET works - using-dispose construction - hashtable - what is the best implementation, compare to another list structures in .NET - difference between list, array, arraylist - example for using the StringBuilder inside a loop - XPath, XSL - SQL: nontrivial SQL query on interconnected tables - SQL: adding of some indexes slowed down an application, why? - just-in-time compilation problem on missing .dll on the client side