Referencia que no apunta a nada.
A reference that points to nothing.
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See how the word “puntero nulo” is used in sentences
El fallo vino de un puntero nulo. — The crash came from a null pointer.
Comprueba si hay un puntero nulo antes de llamar al método. — Check for a null pointer before you call the method.
Un puntero nulo aquí detendría todo el servicio. — A null pointer here would stop the whole service.
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