case is not executing c# code example

Example 1: c# switch case with or condition

int i = 5;
switch (i)
{
    case(1):
    case(2):
        Console.WriteLine(i);
        break;
    default:
        break;
}

Example 2: multi case in c#

switch (value)
{
   case var s when new[] { 1,2,3 }.Contains(s):
      // Do something
      break;
   case var s when new[] { 4,5,6 }.Contains(s):
      // Do something
      break;
   default:
      // Do the default
      break;
}