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interface IPagadero | |
{ | |
double Pagar(); | |
} |
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class Propietario | |
{ | |
private string cedula; | |
public string Cedula | |
{ | |
get { return cedula; } | |
set { cedula = value; } | |
} |
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public static bool ValidarEmail(string direccionEmail) | |
{ | |
try | |
{ | |
MailAddress email = new MailAddress(direccionEmail); | |
return true; | |
} | |
catch (FormatException fex) | |
{ |
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using System; | |
public delegate void MiDelegado(); // declaración de delegado | |
public interface I | |
{ | |
event MiDelegado MiEvento; | |
void Activar(); | |
} |
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class SeguridadDeTipos | |
{ | |
public static void Main() | |
{ | |
// ejemplo con tipo string | |
string cadenaDeTexto = "Texto de ejemplo"; | |
String otraCadenaDeTexto = "...más texto"; | |
// Al remover el comentario de la siguiente línea de código «Console.WriteLine...» | |
// se produce el siguiente mensaje de error: |
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class OperacionesIlegales | |
{ | |
public static void main() | |
{ | |
int enteroSimple = 3; | |
string cadenaDeTexto = "¡Hola Mundo!"; | |
int division = enteroSimple / cadenaDeTexto; | |
} | |
} |
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class ConversionUnidades | |
{ | |
public static void main() | |
{ | |
int milimetros = 5; | |
int centimetros = 10; | |
// suma de unidades | |
int suma = milimetros + centimetros; | |
} |
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<?php | |
$variable = 19; // tratada como entero | |
echo $variable + 13; // imprime 42 | |
$variable = "Hola, "; // variable tratada como cadena de texto | |
echo "<br/>"; | |
echo $variable; // imprime |
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class StaticVsDynamic | |
{ | |
public static void main() | |
{ | |
string variable = "Cadena de caracteres"; | |
variable = 5; | |
} | |
} |
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class DynamicKeyword | |
{ | |
public static void main() | |
{ | |
dynamic d = 1; | |
d = d + 3; | |
System.Console.WriteLine(d); | |
d = "Cadena de caracteres"; |