{"id":649,"date":"2024-02-26T17:03:24","date_gmt":"2024-02-26T17:03:24","guid":{"rendered":"https:\/\/javigomez.org\/?p=649"},"modified":"2025-09-29T20:33:34","modified_gmt":"2025-09-29T20:33:34","slug":"u09-02-clases-en-java-tostring-equals-y-getclass","status":"publish","type":"post","link":"https:\/\/javigomez.org\/index.php\/2024\/02\/26\/u09-02-clases-en-java-tostring-equals-y-getclass\/","title":{"rendered":"U09-02-Clases en Java \u2013 toString, equals y getClass"},"content":{"rendered":"\n<p>Los m\u00e9todos toString, equals y getClass son m\u00e9todos que se heredan de la clase Object en Java. Estos m\u00e9todos son esenciales para el funcionamiento b\u00e1sico de los objetos en Java. <\/p>\n\n\n\n<p><strong>toString<\/strong>: Devuelve una representaci\u00f3n textual del objeto. Se usa por defecto cuando se imprime un objeto en la consola. Se puede sobreescribir en las clases hijas para personalizar la representaci\u00f3n textual. <\/p>\n\n\n\n<p><strong>equals<\/strong>: Compara dos objetos para determinar si son iguales. Se usa por defecto en las operaciones de comparaci\u00f3n (== y !=). Se puede sobreescribir en las clases hijas para personalizar la comparaci\u00f3n de objetos. <\/p>\n\n\n\n<p><strong>getClass<\/strong>: Devuelve la clase del objeto. Se puede usar para obtener informaci\u00f3n sobre la clase del objeto, como su nombre, sus m\u00e9todos y sus atributos.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>package U2;\n\npublic class E00_00 {\n\n\tpublic static void main(String&#91;] args) {\n\t\t\n\t\tPersona p=new Persona(\"Lara\", 18);\n\t\tPersona p0=new Persona(\"Carlos\", 23);\n\t\t\n\t\tif (p.equals(p0))\n\t\t\tSystem.out.println(\"iguales\");\n\t\telse\n\t\t\tSystem.out.println(\"diferentes\");\n\n\t\tSystem.out.println(p);\n\t\t\n\t\tSystem.out.println(p.getClass());\n\t\tSystem.out.println(p.getClass().getName());\n\n\t}\n}\n\nclass Persona {\n\tString nombre;\n\tint edad;\n\tPersona (String n, int e){\n\t\tthis.nombre=n;\n\t\tthis.edad=e;\n\t}\n\t\n\tpublic boolean equals(Persona p) {\n\t\tif (this.nombre.equals(p.nombre))\n\t\t\treturn true;\n\t\telse\n\t\t\treturn false;\n\t\t\n\/*\t\tif (this.edad==p.edad)\n\t\t\treturn true;\n\t\telse\n\t\t\treturn false;*\/\n\t}\n\t\n\tpublic String toString() {\n\t\treturn \"Nombre: \" + this.nombre + \" Edad: \" + this.edad;\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 02 Clases toString equals getClass\" width=\"1200\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/eaoBJdAMnoU?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>Los m\u00e9todos toString, equals y getClass son m\u00e9todos que se heredan de la clase Object en Java. Estos m\u00e9todos son esenciales para el funcionamiento b\u00e1sico &hellip; <\/p>\n","protected":false},"author":1,"featured_media":650,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[135,172,184,203,265,331],"class_list":["post-649","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","tag-equals","tag-getclass","tag-herencia","tag-java","tag-poo","tag-tostring"],"_links":{"self":[{"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/posts\/649","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=649"}],"version-history":[{"count":1,"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/posts\/649\/revisions"}],"predecessor-version":[{"id":887,"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/posts\/649\/revisions\/887"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/media\/650"}],"wp:attachment":[{"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/media?parent=649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/categories?post=649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/javigomez.org\/index.php\/wp-json\/wp\/v2\/tags?post=649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}