• Framework for building windows application (and web apps)
• Not limited to C#
• Consists of CLR (Common Language Runtime) & Class library

• Virtual machine component
• Manages the execution of .NET programs
• JIT converts compiled code into machine insttructions
• Also inclodes things like memory management and thread management
• All .NET programs are executed by CLR

• Visual Studio Community
• Build & compile tools

• A container for class, variables and functions

string name = "Farhan Utshaw";
int age = 35;
Console.WriteLine("{0} is {1}", name, age);

Output:

Farhan Utshaw is 35

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