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{"id":14239,"date":"2015-05-06T18:41:28","date_gmt":"2015-05-06T23:41:28","guid":{"rendered":"https:\/\/oswaldouliel.withknown.com\/2015\/mastery09---basic-types-and-their-use-in-c"},"modified":"2015-05-06T18:41:28","modified_gmt":"2015-05-06T23:41:28","slug":"mastery09-basic-types-and-their-use-in-c-3","status":"publish","type":"post","link":"https:\/\/kenscourses.com\/tc101winter2015\/2015\/mastery09-basic-types-and-their-use-in-c-3\/","title":{"rendered":"#Mastery09 – Basic types and their use in C++"},"content":{"rendered":"
\n

Tipos de variables usados en C++<\/h2>\n

Existen varios tipos de variables, y cada uno corresponde a un tama\u00f1o m\u00e1ximo de un n\u00famero, un car\u00e1cter o incluso una verdad. Cuanto mayor sea el n\u00famero que pueda admitir, mas espacio en memoria ocupar\u00e1.<\/p>\n

1. Los tipos de variables<\/h3>\n

Existen varios tipos de variables, y cada uno corresponde a un tama\u00f1o m\u00e1ximo de un n\u00famero, un car\u00e1cter o incluso una verdad. Cuanto mayor sea el n\u00famero que pueda admitir, mas espacio en memoria ocupar\u00e1.\u00a0<\/p>\n

Bool: \u00a0<\/strong>1\u00a0byte de memoria, valores:\u00a0<\/span>true\u00a0o\u00a0<\/span>false.\u00a0<\/span><\/p>\n

Char: \u00a0<\/strong>1\u00a0byte de memoria, permite almacenar un car\u00e1cter, valores;\u00a0<\/span>256\u00a0caracteres.\u00a0<\/span><\/p>\n

Int:\u00a0<\/strong>4\u00a0bytes de memoria, valores: de\u00a0<\/span>-2 147 483 648\u00a0a\u00a0<\/span>2 147 483 647.\u00a0<\/span><\/p>\n

Double:\u00a0<\/strong>8\u00a0bytes de memoria, valores: de\u00a0<\/span>2.2e-308\u00a0a\u00a0<\/span>3.4e-38.\u00a0<\/span><\/p>\n

Float:\u00a0<\/strong>4\u00a0bytes de memoria, valores: de\u00a0<\/span>1.2e-308\u00a0a\u00a0<\/span>3.4e-38.\u00a0<\/span><\/p>\n

String: <\/span><\/strong>permite almacenar cadena de caracteres<\/span><\/p>\n

\u00a0<\/p>\n

2. Declaraci\u00f3n y asignaci\u00f3n de variables<\/h3>\n

Para declarar una variable, basta con indicar su tipo y su nombre. Existen ciertas convenciones en cuanto al nombre de las variables. Algunos prefieren separar las partes de un nombre con ‘_’, otros prefieren escribir una may\u00fascula para separarlas. Ejemplo:\u00a0<\/p>\n

int primerNumero;<\/em><\/p>\n

int primer_numer<\/em><\/p>\n

\u00a0<\/p>\n

3. Asignar un valor<\/h3>\n

Es posible asignar un valor a una variable al momento de declararla:\u00a0<\/p>\n

int numero = \u00a020;\u00a0<\/span><\/em><\/p>\n

Tambi\u00e9n es posible declarar varias variables en una misma l\u00ednea, pero en este caso, todas las variables de la l\u00ednea tendr\u00e1n el mismo tipo.\u00a0<\/p>\n

int numero_uno = 23, numero_dos = 45;<\/span><\/em><\/p>\n

\u00a0<\/p>\n

Referencias: \u00a0<\/a>http:\/<\/wbr>\/<\/wbr>es.kioskea.net\/<\/wbr>faq\/<\/wbr>3169-las-variables-en-c<\/a><\/p>\n

#Mastery<\/a>09 #TC<\/a>1017<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\n

Tipos de variables usados en C++<\/h2>\n

Existen varios tipos de variables, y cada uno corresponde a un tamaño máximo de un número, un carácter o incluso una verdad. Cuanto mayor sea el número que pueda admitir, mas espacio en memoria ocupará.<\/p>\n

1. Los tipos de variables<\/h3>\n

Existen varios tipos de variables, y cada uno corresponde a un tamaño máximo de un número, un carácter o incluso una verdad. Cuanto mayor sea el número que pueda admitir, mas espacio en memoria ocupará. <\/p>\n

Bool:  <\/strong>1 byte de memoria, valores: <\/span>true o <\/span>false. <\/span><\/p>\n

Char:  <\/strong>1 byte de memoria, permite almacenar un carácter, valores; <\/span>256 caracteres. <\/span><\/p>\n

Int: <\/strong>4 bytes de memoria, valores: de <\/span>-2 147 483 648 a <\/span>2 147 483 647. <\/span><\/p>\n

Double: <\/strong>8 bytes de memoria, valores: de <\/span>2.2e-308 a <\/span>3.4e-38. <\/span><\/p>\n

Float: <\/strong>4 bytes de memoria, valores: de <\/span>1.2e-308 a <\/span>3.4e-38. <\/span><\/p>\n

String: <\/span><\/strong>permite almacenar cadena de caracteres<\/span><\/p>\n

 <\/p>\n

2. Declaración y asignación de variables<\/h3>\n

Para declarar una variable, basta con indicar su tipo y su nombre. Existen ciertas convenciones en cuanto al nombre de las variables. Algunos prefieren separar las partes de un nombre con ‘_’, otros prefieren escribir una mayúscula para separarlas. Ejemplo: <\/p>\n

int primerNumero;<\/em><\/p>\n

int primer_numer<\/em><\/p>\n

 <\/p>\n

3. Asignar un valor<\/h3>\n

Es posible asignar un valor a una variable al momento de declararla: <\/p>\n

int numero =  20; <\/span><\/em><\/p>\n

También es posible declarar varias variables en una misma línea, pero en este caso, todas las variables de la línea tendrán el mismo tipo. <\/p>\n

int numero_uno = 23, numero_dos = 45;<\/span><\/em><\/p>\n

 <\/p>\n

Referencias:  <\/a>http:\/\/es.kioskea.net\/faq\/3169-las-variables-en-c<\/a><\/p>\n

#Mastery<\/a>09 #TC<\/a>1017<\/p>\n<\/div>\n

Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":101,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,3,26],"tags":[548,164,486,40,287],"_links":{"self":[{"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/posts\/14239"}],"collection":[{"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/users\/101"}],"replies":[{"embeddable":true,"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/comments?post=14239"}],"version-history":[{"count":6,"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/posts\/14239\/revisions"}],"predecessor-version":[{"id":19389,"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/posts\/14239\/revisions\/19389"}],"wp:attachment":[{"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/media?parent=14239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/categories?post=14239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kenscourses.com\/tc101winter2015\/wp-json\/wp\/v2\/tags?post=14239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}