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{"id":14237,"date":"2015-05-06T18:55:13","date_gmt":"2015-05-06T23:55:13","guid":{"rendered":"https:\/\/oswaldouliel.withknown.com\/2015\/mastery17---use-of-switch-as-a-conditional"},"modified":"2015-05-06T18:55:13","modified_gmt":"2015-05-06T23:55:13","slug":"mastery17-use-of-switch-as-a-conditional","status":"publish","type":"post","link":"https:\/\/kenscourses.com\/tc101winter2015\/2015\/mastery17-use-of-switch-as-a-conditional\/","title":{"rendered":"#Mastery17 – Use of \u201cswitch\u201d as a conditional"},"content":{"rendered":"
\n

Uso del switch<\/h2>\n

En el caso de la sentencia\u00a0switch, la expresi\u00f3n a evaluar ser\u00e1 entera, por lo tanto, el n\u00famero de opciones es mucho mayor, y en consecuencia, tambi\u00e9n es mayor el n\u00famero de diferentes sentencias que se pueden ejecutar.<\/p>\n

Sintaxis:<\/p>\n

#e3e3e3;\">switch<\/strong> () \n{\n   [case<\/strong> 1>: [1>] break;]\n   [case<\/strong> 2>: [2>] break;]\n   ...\n   [case<\/strong> n>: [n>] break;]\n   [default<\/strong> : [] break;]\n}<\/sentencia><\/sentencias><\/expresi><\/sentencias><\/expresi><\/sentencias><\/expresi><\/expresi><\/pre>\n

Cuando se usa la sentencia\u00a0switch\u00a0el control se transfiere al punto etiquetado con el\u00a0case\u00a0cuya expresi\u00f3n constante coincida con el valor de la expresi\u00f3n entera evaluada dentro del\u00a0switch. A partir de ese punto todas las sentencias ser\u00e1n ejecutadas hasta el final del\u00a0switch, es decir hasta llegar al “}”.<\/p>\n

Esto es as\u00ed porque las etiquetas s\u00f3lo marcan los puntos de entrada despu\u00e9s de una ruptura de la secuencia de ejecuci\u00f3n, pero no marcan los puntos de salida.<\/p>\n

Esta estructura est\u00e1 dise\u00f1ada para ejecutar cierta secuencia de instrucciones, empezando a partir de un punto diferente, en funci\u00f3n de un valor entero y dejando sin ejecutar las anteriores a ese punto.<\/p>\n

Ejemplo:<\/p>\n