switch function c# code example

Example 1: c# switch

using System;

public class Example
{
   public static void Main()
   {
      int caseSwitch = 1;
      
      switch (caseSwitch)
      {
          case 1:
              Console.WriteLine("Case 1");
              break;
          case 2:
              Console.WriteLine("Case 2");
              break;
          default:
              Console.WriteLine("Default case");
              break;
      }
   }
}
// The example displays the following output:
//       Case 1

Example 2: c# switch case

using System;
namespace DecisionMaking 
{
   class Program 
   {
      static void Main(string[] args) 
      {
         /* local variable definition */
         char grade = 'B';
         
         switch (grade) 
         {
            case 'A':
               Console.WriteLine("Excellent!");
               break;
            case 'B':
            case 'C':
               Console.WriteLine("Well done");
               break;
            case 'D':
               Console.WriteLine("You passed");
               break;
            case 'F':
               Console.WriteLine("Better try again");
               break;
               default:
            Console.WriteLine("Invalid grade");
               break;
         }
         Console.WriteLine("Your grade is  {0}", grade);
         Console.ReadLine();
      }
   }
}
                       =======OUTPUT========
	Well done
	Your grade is B

Example 3: switch expression c#

var switchValue = 3;
var resultText = switchValue switch
{
    1 or 2 or 3 => "one, two, or three",
    4 => "four",
    5 => "five",
    _ => "unknown",
};