C# Online Compiler | .NET Fiddle

using System;
					
public class Program
{
	public static void Main()
	{
		int age = 42;
		
		switch (age) {
			case 16:
			Console.WriteLine("Muda");
			break;
			
			case 42:
			Console.WriteLine("Remaja");
			break;
			
			case 70:
			Console.WriteLine("Dewasa");
			break;
}
	}
}

Enter an integer: Process terminated. whats up
   at System.Environment.FailFast(System.Runtime.CompilerServices.StackCrawlMarkHandle, System.String, System.Runtime.CompilerServices.ObjectHandleOnStack, System.String)
   at System.Environment.FailFast(System.Threading.StackCrawlMark ByRef, System.String, System.Exception, System.String)
   at System.Environment.FailFast(System.String)
   at LISTING_1_79_The_finally_block.Program.Main(System.String[])
Command terminated by signal 6