Show use of switch keywords in small code segment?

Answer 1

The "switch" statement is a way of performing selection. It allows you to match a value against a known list. In C#:

// code starts

string mood = "happy";

switch (mood)
{
case "sad":
Console.WriteLine("I'm sorry to hear that you are sad.");
break;
case "happy":
Console.WriteLine("I'm glad to hear that you're happy!");
break;
case "angry":
Console.WriteLine("Try to calm down.");
break;
case "excited":
Console.WriteLine("Wow, what are you excited about?!");
break;
}

// code ends

In this example, mood is equal to happy so the code: Console.WriteLine("I'm glad to hear that you're happy!"); will be executed. A switch is essentially an efficient way of writing a lot of IF statements!