Intelcom | Dragonfly Software Developer In Test Intern interview questions

What is an object What are access modifiers, What's the fourth access modifier in C# Interface vs abstract class Design patterns - Singleton, Factory Overloading vs overriding BFS, DFS- Algorithm based questions Unit test - what to look for in them- AAA notation Garbage collector questions Thread, process, thread pool Time and space complexity, what is N in complexity notation. Followed by previous experience and behavioral questions