20160419 while practice, review

11th Day

I. While and if topics exercise

.

Two Knowledge development

1. What is a delegate in C #? Is the event a delegate?
For:
A delegate can substitute a method as a parameter into another method. A delegate can be understood as a reference to a function.
Yes, it's a special kind of delegate.

2. What is an application domain?
A: An application domain can be understood as a lightweight process. Play a safe role. Small resource footprint.

What are the 3.CTS, CLS, and CLR explanations for each?
A: CTS: a common language system. CLS: Common Language Specification. CLR: Common language runtime.

4. What are crates and unboxing?
A: Converting from a value type interface to a reference type boxing. Converting from a reference type to a value type unboxing.

5. What is a regulated code?
Answer: unsafe: Unmanaged code. Not run through the CLR.

6. What is a strongly typed system?
Answer: RTTI: type identification System.

20160419 while practice, review