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abstract class Animal
{
}
 
abstract class Parajo : Animal
{
}
 
abstract class Insecto : Animal
{
}
 
abstract class Volador : Animal
{
}
 
abstract class Carnivoro : Animal
{
}
 
public class Gallina : Pajaro
{
}
 
public class Agila : Parajo, Volador, Carnivoro
{
}
 

prog.cs(21,24): error CS0246: The type or namespace name `Pajaro' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(25,30): error CS1721: `Agila': Classes cannot have multiple base classes (`Parajo' and `Volador')
prog.cs(13,16): (Location of the symbol related to previous error)
prog.cs(25,39): error CS1721: `Agila': Classes cannot have multiple base classes (`Parajo' and `Carnivoro')
prog.cs(17,16): (Location of the symbol related to previous error)
prog.cs(25,14): error CS0060: Inconsistent accessibility: base class `Parajo' is less accessible than class `Agila'
prog.cs(5,16): (Location of the symbol related to previous error)
Compilation failed: 4 error(s), 0 warnings

Standard output is empty