{"id":646,"date":"2024-02-26T16:59:49","date_gmt":"2024-02-26T16:59:49","guid":{"rendered":"https:\/\/javigomez.org\/?p=646"},"modified":"2025-09-29T20:33:34","modified_gmt":"2025-09-29T20:33:34","slug":"u09-01-clases-en-java-herencia","status":"publish","type":"post","link":"https:\/\/javigomez.org\/index.php\/2024\/02\/26\/u09-01-clases-en-java-herencia\/","title":{"rendered":"U09-01-Clases en Java \u2013 Herencia"},"content":{"rendered":"\n<p>La herencia de clases en Java es un mecanismo que permite a una clase heredar las caracter\u00edsticas (atributos y m\u00e9todos) de otra clase. <\/p>\n\n\n\n<p><strong>extends<\/strong>: Se usa para indicar que una clase hereda de otra. <\/p>\n\n\n\n<p><strong>super<\/strong>: Se usa para referirse a la clase padre. <\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Beneficios de la herencia: Reutilizaci\u00f3n de c\u00f3digo: Evita la duplicaci\u00f3n de c\u00f3digo al heredar caracter\u00edsticas de una clase padre. Extensibilidad: Permite crear nuevas clases a partir de clases existentes. Mantenimiento: Facilita el mantenimiento del c\u00f3digo al centralizar las caracter\u00edsticas en una sola clase.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class E00_00 {\n\n\tpublic static void main(String&#91;] args) {\n\t\tEmpleado e=new Empleado(\"Javi\",56,100);\n\t\t\n\t\te.mostrar();\n\n\t}\n}\n\nclass Persona {\n\tString nombre;\n\tint edad;\n\t\n\tPersona(String n, int e){\n\t\tthis.nombre=n;\n\t\tthis.edad=e;\n\t}\n\t\n\tvoid mostrar() {\n\t\tSystem.out.println(\"Nombre: \" + this.nombre + \" Edad: \" + this.edad);\n\t}\n}\n\nclass Empleado extends Persona{\n\tint salario;\n\t\n\tEmpleado(String n, int e, int s){\n\t\tsuper(n,e);\n\t\tthis.salario=s;\n\t}\n\t\n\tvoid mostrar() {\n\t\tsuper.mostrar();\n\t\tSystem.out.println(\"salario: \" + this.salario);\n\t}\n}<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Java U9 01 Clases Herencia\" width=\"1200\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/0Ej4gvbOIhc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>La herencia de clases en Java es un mecanismo que permite a una clase heredar las caracter\u00edsticas (atributos y m\u00e9todos) de otra clase. extends: Se &hellip; <\/p>\n","protected":false},"author":1,"featured_media":647,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[141,184,203,265],"class_list":["post-646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","tag-extends","tag-herencia","tag-java","tag-poo"],"_links":{"self":[{"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/posts\/646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/comments?post=646"}],"version-history":[{"count":1,"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/posts\/646\/revisions"}],"predecessor-version":[{"id":888,"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/posts\/646\/revisions\/888"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/media\/647"}],"wp:attachment":[{"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/media?parent=646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/categories?post=646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/tags?post=646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}