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Which of the following variable names is correct?Question 6Answerint.ageAll variable names are wrongint(Age)_intAge

Question

Which of the following variable names is correct?Question 6Answerint.ageAll variable names are wrongint(Age)_intAge

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Solution

Para determinar cuál de los nombres de variables es correcto, debemos seguir las reglas de nomenclatura de variables:

  1. No pueden comenzar con un número.
  2. No pueden contener caracteres especiales como paréntesis, guiones, etc., excepto el guion bajo (_).
  3. No pueden ser palabras reservadas del lenguaje de programación.

Analicemos cada opción:

  1. int.age: Incorrecto. El punto (.) no es permitido en los nombres de variables.
  2. int(Age): Incorrecto. Los paréntesis no son permitidos en los nombres de variables.
  3. _intAge: Correcto. Cumple con todas las reglas de nomenclatura.
  4. All variable names are wrong: Incorrecto. Ya que _intAge es un nombre de variable válido.

Por lo tanto, la respuesta correcta es _intAge.

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