ISDS 505

Which of the following is NOT a valid C# identifier Select one: a. _order b. a c. this d. a1, What is NOT considered a keyword by the C# language? Select one: a. catch b. global c. implicit d. static, In Object-oriented programming language, the ability to create methods that act appropriately depending on the context is called _________. Select one: a. inheritance b. encapsulation c. instance d. polymorphism, in "using System;", what is "System" referring to? Select one: a....