Tell how memory is allocated on the stack and in the heap. Are all value types always placed on the stack?
Middle+
134
C#
Tell about the difference between interfaces and abstract classes. Why was default implementation introduced in interfaces?
Middle+
132
What is StringBuilder? What is inside it? How does memory allocation work?
Middle+
131
Tell us about garbage collection: what it is, why it was invented, what concepts exist, how it works?
Middle+
128