- using System; 
-   
- public class Carros 
- { 
- 	public int Id {get;set;} 
- } 
-   
- public class Test 
- { 
- 	public static void Main() 
- 	{ 
- 		System.Console.WriteLine(default(int)); 
- 		System.Console.WriteLine(default(long)); 
- 		System.Console.WriteLine(default(DateTime)); 
- 		System.Console.WriteLine(default(Carros) == null); 
- 	} 
- } 
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