1. What is C#?C# (pronounced "C sharp") is a simple, modern, object-oriented, and type-safe programming language. It will immediately be familiar to C and C++ programmers. C# combines the high productivity of Rapid Application Development (RAD) languages.
2. What are the types of comment in C#?There are 3 types of comments in C#. Single line (//) Multi (/* */) Page/XML Comments (///).
3. What are the namespaces used in C#.NET?Namespace is a logical grouping of class.
using System; using System.Collections.Generic; using System.Windows.Forms;