{"id":13388,"date":"2022-11-18T09:36:17","date_gmt":"2022-11-18T08:36:17","guid":{"rendered":"https:\/\/annaf34.sg-host.com\/nehez-megtanulni-a-javat-ismerkedj-meg-a-vilag-kedvenc-objektumorientalt-nyelvevel\/"},"modified":"2025-01-13T17:11:31","modified_gmt":"2025-01-13T16:11:31","slug":"nehez-a-java-java-kezdoknek-objektumorientalt-nyelv","status":"publish","type":"post","link":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/","title":{"rendered":"A Java kezd\u0151knek is val\u00f3? Ismerd meg a vil\u00e1g kedvenc objektumorient\u00e1lt nyelv\u00e9t"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"13388\" class=\"elementor elementor-13388 elementor-13132\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aa5b7cc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aa5b7cc\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1620edf\" data-id=\"1620edf\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8185216 elementor-widget elementor-widget-text-editor\" data-id=\"8185216\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">A Java k\u00e9ts\u00e9gtelen\u00fcl fontos, \u00e9s jelenleg p\u00f3tolhatatlan is az IT vil\u00e1g\u00e1ban. Ennek ellen\u00e9re sok kezd\u0151 k\u00f3dert l\u00e1ttunk m\u00e1r, aki tart t\u0151le, hogy a Java alapismeretek megszerz\u00e9s\u00e9vel kezdje a karrierj\u00e9t. Pedig a <\/span><span style=\"font-weight: 400;\">Java kezd\u0151knek<\/span><span style=\"font-weight: 400;\"> is val\u00f3. R\u00e1ad\u00e1sul ez napjaink egyik legkeresettebb programoz\u00e1si nyelve, ez\u00e9rt mindenk\u00e9ppen \u00e9rdemes foglalkozni vele.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7d12ab4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7d12ab4\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e67cd1b\" data-id=\"e67cd1b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e9a1664 elementor-widget elementor-widget-image\" data-id=\"e9a1664\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"410\" src=\"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/resized-image-promo-975x500-1.jpeg\" class=\"attachment-large size-large wp-image-13154\" alt=\"Java lernen\" srcset=\"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/resized-image-promo-975x500-1.jpeg 975w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/resized-image-promo-975x500-1-300x154.jpeg 300w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/resized-image-promo-975x500-1-768x394.jpeg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9b9fa38 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9b9fa38\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8f71646\" data-id=\"8f71646\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b31cc71 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"b31cc71\" data-element_type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTartalomjegyz\u00e9k\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__b31cc71\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__b31cc71\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__b31cc71\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<i class=\"elementor-toc__spinner eicon-animation-spin eicon-loading\" aria-hidden=\"true\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c990425 elementor-widget elementor-widget-text-editor\" data-id=\"c990425\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Ha a neten kezdesz t\u00e1j\u00e9koz\u00f3dni r\u00f3la, hogy \u00e9rdemes-e Jav\u00e1t tanulni kezd\u0151k\u00e9nt, lehet, hogy meg fog r\u00e9miszteni, amiket olvasol. T\u00fal neh\u00e9z lesz? Meg\u00e9ri majd a r\u00e1ford\u00edtott id\u0151? Az is lehet, hogy nem \u00e9rted majd, mi ez a nagy felhajt\u00e1s e k\u00f6r\u00fcl az objektumorient\u00e1lt programoz\u00e1si (OOP) nyelv k\u00f6r\u00fcl.<\/span><\/p><p><span style=\"font-weight: 400;\">V\u00e1gjunk is bele, \u00e9s oszlassunk el gyorsan n\u00e9h\u00e1ny t\u00e9vhitet. Ezt k\u00f6vet\u0151en pedig megmutatjuk, hogyan birk\u00f3zhatsz meg a Jav\u00e1val, \u00e9s navig\u00e1lhatsz el az OOP vil\u00e1g\u00e1ban.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2292c4c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2292c4c\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5620fa4\" data-id=\"5620fa4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6f520e7 elementor-widget elementor-widget-heading\" data-id=\"6f520e7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Java alapismeretek: f\u0151bb tulajdons\u00e1gok \u00e9s t\u00f6rt\u00e9nelem<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1fa69de elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1fa69de\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6fe5474\" data-id=\"6fe5474\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7c7e9de elementor-widget elementor-widget-text-editor\" data-id=\"7c7e9de\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A nyelv v\u00e9letlen\u00fcl sz\u00fcletett meg\u00a0<a href=\"https:\/\/studysection.com\/blog\/brief-history-of-java-language\/\" target=\"_blank\" rel=\"noopener\">1991-ben<\/a>,\u00a0<span style=\"font-weight: 400;\">de t\u00fals\u00e1gosan el\u0151rehaladott volt az eredeti szerep\u00e9hez, az interakt\u00edv telev\u00edzi\u00f3hoz. A dek\u00f3derek \u00e9s t\u00e9v\u00e9k nyelve lett volna, de ehelyett v\u00e9g\u00fcl internetes programoz\u00e1sra haszn\u00e1lt\u00e1k.<\/span><\/p><p><span style=\"font-weight: 400;\">K\u00e9s\u0151bb az \u201e\u00edrd meg egyszer, futtasd mindenhol\u201d v\u00e1lt a nyelv alkot\u00f3inak h\u00edres mantr\u00e1j\u00e1v\u00e1, \u00e9s a Java n\u00e9pszer\u0171s\u00e9g\u00e9nek gy\u00f6kereit fedezheted fel ebben a mond\u00e1sban. Amikor a 90-es \u00e9vekben elkezdt\u00e9k a nyelv fejleszt\u00e9s\u00e9t, a Sun Microsystems fejleszt\u0151i 5 kulcsfontoss\u00e1g\u00fa c\u00e9lt t\u0171ztek ki, amelyek teljesen korszakalkot\u00f3k voltak akkoriban. Ezek a szempontok t\u00f6bb j\u00f6v\u0151beli programnyelv sz\u00e1m\u00e1ra is ir\u00e1nyad\u00f3ak lettek:<\/span><\/p><ol><li aria-level=\"1\">Hogy \u201eobjektumorient\u00e1lt\u201d nyelv legyen (err\u0151l a szempontr\u00f3l k\u00e9s\u0151bb b\u0151vebben is \u00edrunk)<\/li><li aria-level=\"1\">Hogy t\u00f6bb oper\u00e1ci\u00f3s rendszeren is futni tudjon ugyanaz a program (innen az \u201e\u00cdrd meg egyszer, futtasd mindenhol\u201d jelmondat)<\/li><li aria-level=\"1\">Hogy legyen be\u00e9p\u00edtett sz\u00e1m\u00edt\u00f3g\u00e9pes h\u00e1l\u00f3zati t\u00e1mogat\u00e1sa<\/li><li aria-level=\"1\">Hogy t\u00e1voli forr\u00e1sokr\u00f3l is biztons\u00e1gosan v\u00e9gre lehessen hajtani a k\u00f3dot<\/li><li aria-level=\"1\">Hogy egyszer\u0171en lehessen haszn\u00e1lni<br \/><br \/><\/li><\/ol><p>Azonnal az els\u0151 pontra t\u00e9r\u00fcnk, azonban el\u00e9g a list\u00e1ra n\u00e9zni, hogy l\u00e1thassuk, a k\u00e9sz\u00edt\u0151k sok energi\u00e1t ford\u00edtottak arra, hogy a Jav\u00e1t olyan egyszer\u0171re \u00e9s sz\u00e9les k\u00f6rben haszn\u00e1lhat\u00f3ra tervezz\u00e9k, amennyire csak lehet.<\/p><p>A megalkot\u00e1sa \u00f3ta arra t\u00f6rekednek, hogy<strong>\u00a0f\u00fcggetlen legyen a platformt\u00f3l \u00e9s az oper\u00e1ci\u00f3s rendszert\u0151l<\/strong>, amelyen fut. Emellett arra is nagy figyelmet ford\u00edtanak, hogy a k\u00f3d kompatibilis legyen az \u00fajabb rendszerekkel \u00e9s verzi\u00f3kkal,\u00a0<strong>an\u00e9lk\u00fcl, hogy migr\u00e1l\u00e1sra vagy felsk\u00e1l\u00e1z\u00e1sra lenne sz\u00fcks\u00e9g<\/strong>. Ezt nevezz\u00fck \u201evisszamen\u0151leges kompatibilit\u00e1snak\u201d. Tov\u00e1bb\u00e1, ez egy\u00a0<strong>nagyon gyorsan fejl\u0151d\u0151 nyelv<\/strong>. \u00daj b\u0151v\u00edtm\u00e9nyek \u00e9s felhaszn\u00e1l\u00e1si lehet\u0151s\u00e9gek j\u00f6nnek, ahogy az ipari k\u00f6vetelm\u00e9nyek v\u00e1ltoznak \u00e9s a technol\u00f3gia el\u0151rehalad.<\/p><p>Ezek a Java f\u0151 jellemz\u0151i, valamint a f\u0151 okai a t\u00f6retlen n\u00e9pszer\u0171s\u00e9g\u00e9nek. Azonban meg kell jegyezni, hogy a Java nem egyszer\u0171en egy programoz\u00e1si nyelv. Ez egy\u00a0<strong>komplex fejleszt\u0151i \u00f6kosziszt\u00e9ma<\/strong>, \u00e9s a vil\u00e1g legnagyobb szervezetei k\u00f6z\u00fcl t\u00f6bb is erre hagyatkozik a projektjeik \u00e9s megold\u00e1saik sor\u00e1n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-28e4f2c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"28e4f2c\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e888eac\" data-id=\"e888eac\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f59576b elementor-widget elementor-widget-image\" data-id=\"f59576b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/pexels-soumil-kumar-735911-scaled-e1631108562265-1024x684.jpg\" class=\"attachment-large size-large wp-image-13149\" alt=\"\" srcset=\"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/pexels-soumil-kumar-735911-scaled-e1631108562265-1024x684.jpg 1024w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/pexels-soumil-kumar-735911-scaled-e1631108562265-300x200.jpg 300w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/pexels-soumil-kumar-735911-scaled-e1631108562265-768x513.jpg 768w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/pexels-soumil-kumar-735911-scaled-e1631108562265.jpg 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-11172e3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"11172e3\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4bb77bb\" data-id=\"4bb77bb\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9eb127d elementor-widget elementor-widget-heading\" data-id=\"9eb127d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Komplex k\u00f6rnyezet, amelyet nagyv\u00e1llalatok haszn\u00e1lnak<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-554ab2b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"554ab2b\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f50c62f\" data-id=\"f50c62f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-de89bc9 elementor-widget elementor-widget-text-editor\" data-id=\"de89bc9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ezt a fejleszt\u0151i \u00f6kosziszt\u00e9m\u00e1t sz\u00e9les k\u00f6rben alkalmazz\u00e1k nagyszab\u00e1s\u00fa projektjeikhez az olyan c\u00e9gek, mint a Netflix, az Amazon, a Google \u00e9s a Spotify. Ez egy letisztult, megb\u00edzhat\u00f3, k\u00f6nnyen haszn\u00e1lhat\u00f3 k\u00f6rnyezet, amelyet \u00e9vtizedek \u00f3ta jav\u00edtanak, optimaliz\u00e1lnak \u00e9s korszer\u0171s\u00edtenek. Gazdag k\u00f6nyvt\u00e1ra \u00e9s sz\u00e1mtalan eszk\u00f6ze\u00a0<strong>gyorsabb \u00e9s z\u00f6kken\u0151mentesebb tesztel\u00e9st tesz lehet\u0151v\u00e9<\/strong>, amely hat\u00e9konyabb\u00e1 \u00e9s k\u00e9nyelmesebb\u00e9 teszi a folyamatokat egy nagy l\u00e9pt\u00e9k\u0171 fejleszt\u00e9si projekt sor\u00e1n.<\/p>\n<p>A Java k\u00f6r\u00e9 \u00e9p\u00edtett kiterjedt k\u00f6rnyezet tov\u00e1bb\u00e1 gyorsabb \u00e9s z\u00f6kken\u0151mentesebb fejleszt\u00e9st tesz lehet\u0151v\u00e9: p\u00e9ld\u00e1ul, amikor egy bank olyan alkalmaz\u00e1st szeretne fejleszteni, amelyben \u00e1rfolyamv\u00e1lt\u00f3 is van, a k\u00f3dot nem kell null\u00e1r\u00f3l meg\u00edrni. A Java \u00f3ri\u00e1si k\u00f6nyvt\u00e1rgy\u0171jtem\u00e9ny\u00e9ben val\u00f3sz\u00edn\u0171leg m\u00e1r megvan a megold\u00e1s, \u00edgy a fejleszt\u0151knek el\u00e9g r\u00e1keresni, \u00e9s k\u00e9sz! Valaki m\u00e1r gondoskodott r\u00f3la.<\/p>\n<p>De mi\u00e9rt is \u00e9ri meg a Java megtanul\u00e1s\u00e1nak szentelned az id\u0151det? Mi\u00e9rt olyan el\u0151ny\u00f6s elsaj\u00e1t\u00edtanod?<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e7c0454 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e7c0454\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e9f7d66\" data-id=\"e9f7d66\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-50d18a2 elementor-widget elementor-widget-heading\" data-id=\"50d18a2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">A Java alapismeretek megszerez\u00e9se biztosan j\u00f3 befektet\u00e9s lesz sz\u00e1modra<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3923c99 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3923c99\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-891edf3\" data-id=\"891edf3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e7cacbe elementor-widget elementor-widget-image\" data-id=\"e7cacbe\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/journey.study\/v2\/registration?utm_term=HU\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"780\" height=\"608\" src=\"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/Programozo-kepzes-Full-Stack-Fejleszto-tanfolyam-Allasgaranciaval-5.png\" class=\"attachment-large size-large wp-image-71689\" alt=\"\" srcset=\"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/Programozo-kepzes-Full-Stack-Fejleszto-tanfolyam-Allasgaranciaval-5.png 780w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/Programozo-kepzes-Full-Stack-Fejleszto-tanfolyam-Allasgaranciaval-5-300x234.png 300w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/Programozo-kepzes-Full-Stack-Fejleszto-tanfolyam-Allasgaranciaval-5-768x599.png 768w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aa6675c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aa6675c\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dba4346\" data-id=\"dba4346\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-386c1f5 elementor-widget elementor-widget-text-editor\" data-id=\"386c1f5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Nem v\u00e9letlen, hogy egy<a href=\"https:\/\/codecool.com\/hu\/blog\/biztositsd-be-a-karriered-ezek-a-legkeresettebb-programozasi-nyelvek\/\" target=\"_blank\" rel=\"noopener\">\u00a0kor\u00e1bbi posztunkban<\/a>\u00a0is m\u00e1r az objektumorient\u00e1lt programoz\u00e1si nyelvek adu\u00e1sz\u00e1nak nevezz\u00fck a Jav\u00e1t, mivel:<\/p><p>&#8211; ez a vil\u00e1g els\u0151 sz\u00e1m\u00fa fejleszt\u0151i platformja<br \/>&#8211; t\u00f6bb mint 10 milli\u00f3 fejleszt\u0151 haszn\u00e1lja<br \/>&#8211; 13 milli\u00e1rd eszk\u00f6z\u00f6n fut naponta<br \/>&#8211; ez a fejleszt\u0151k els\u0151 sz\u00e1m\u00fa v\u00e1laszt\u00e1sa a felh\u0151alap\u00fa sz\u00e1m\u00edt\u00e1stechnika ter\u00e9n<\/p><p>A Jav\u00e1t f\u0151leg arra haszn\u00e1lj\u00e1k, hogy \u00f6sszetett, nagyszab\u00e1s\u00fa szoftvereket \u00e9s alkalmaz\u00e1sokat hozzanak l\u00e9tre vele, amelyeket azt\u00e1n sz\u00e9les k\u00f6rben lehet terjeszteni. P\u00e9ld\u00e1ul rengeteg bank hagyatkozik a Jav\u00e1ra az alkalmaz\u00e1saikhoz \u00e9s szoftvereikhez, mivel a Java hossz\u00fa m\u00faltra tekint\u0151 h\u00edrn\u00e9vvel rendelkezik mint a legmegb\u00edzhat\u00f3bb, legbiztons\u00e1gosabb nyelv. \u00cdgy term\u00e9szetesen a k\u00fcl\u00f6nf\u00e9le ipar\u00e1gak, amelyeknek fontosak ezek a jellemz\u0151k, gyorsan elkezdt\u00e9k alkalmazni.<\/p><p>Szeretn\u00e9l banki szoftvert fejleszteni a j\u00f6v\u0151ben? Akkor a Java alapismeretek \u00e9s k\u00e9s\u0151bb egy magasabb szint\u0171 tud\u00e1s megszerz\u00e9se elengedhetetlen lesz.<\/p><p>Mivel olyan sz\u00e9les k\u00f6rben haszn\u00e1lt \u00e9s keresett a programoz\u00e1s vil\u00e1g\u00e1ban, a Java\u00a0<strong>elsaj\u00e1t\u00edt\u00e1sa mindig j\u00f3 \u00f6tlet<\/strong>. A legt\u00f6bb interj\u00fa \u00e9s fejleszt\u0151i munka sor\u00e1n a Java\u00a0<strong>alapvet\u0151 elv\u00e1r\u00e1s<\/strong>, \u00e9s valljuk be,\u00a0<strong>elengedhetetlen tud\u00e1st jelent<\/strong>, ha valaki programoz\u00f3k\u00e9nt szeretne elhelyezkedni.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f58c3c7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f58c3c7\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-179c8af\" data-id=\"179c8af\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d6c5962 elementor-widget elementor-widget-image\" data-id=\"d6c5962\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/simon-abrams-k_t9zj3se8k-unsplash-scaled-e1631109578450-1024x683.jpg\" class=\"attachment-large size-large wp-image-13159\" alt=\"\" srcset=\"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/simon-abrams-k_t9zj3se8k-unsplash-scaled-e1631109578450-1024x683.jpg 1024w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/simon-abrams-k_t9zj3se8k-unsplash-scaled-e1631109578450-300x200.jpg 300w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/simon-abrams-k_t9zj3se8k-unsplash-scaled-e1631109578450-768x512.jpg 768w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/simon-abrams-k_t9zj3se8k-unsplash-scaled-e1631109578450.jpg 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4ba5fa9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4ba5fa9\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cf37e93\" data-id=\"cf37e93\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1d9b658 elementor-widget elementor-widget-heading\" data-id=\"1d9b658\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">De mi\u00e9rt lenne nehezebb a Java kezd\u0151knek?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-26ea057 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"26ea057\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b9afa21\" data-id=\"b9afa21\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-68ee202 elementor-widget elementor-widget-text-editor\" data-id=\"68ee202\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A sokoldal\u00fas\u00e1ga \u00e9s sz\u00e9les k\u00f6r\u0171 alkalmazhat\u00f3s\u00e1ga miatt a Java az objektumorient\u00e1lt k\u00e9pz\u00e9si programok gerince a legt\u00f6bb iskol\u00e1ban. A Codecooln\u00e1l is \u2013 az OOP megh\u00f3d\u00edt\u00e1sa sor\u00e1n a Java az els\u0151 nyelv, amellyel a tanul\u00f3k elkezdenek dolgozni.<\/p><p>De mit is nevez\u00fcnk val\u00f3j\u00e1ban\u00a0<strong>objektumorient\u00e1lt programoz\u00e1snak<\/strong>, \u00e9s mi\u00e9rt bonyolultabb k\u00f3dot \u00edrni benne?<\/p><p><br \/>Napjainkban gyakorlatilag ez az ipar\u00e1gi szabv\u00e1ny a programoz\u00e1sban. Di\u00f3h\u00e9jban arr\u00f3l van sz\u00f3, hogy olyan m\u00f3don akarunk k\u00f3dolni, ahogy l\u00e1tjuk a dolgokat a val\u00f3s\u00e1gban \u2013 t\u00e1rgyak vesznek k\u00f6r\u00fcl minket, amelyek sz\u00e1mtalan k\u00fcl\u00f6nf\u00e9le m\u00f3don f\u00fcggnek \u00f6ssze egym\u00e1ssal \u00e9s a vil\u00e1ggal. Ezt a kapcsolatot szeretn\u00e9nk k\u00f3d form\u00e1j\u00e1ban megfogalmazni.\u00a0<strong>A val\u00f3s\u00e1got akarjuk lek\u00f3dolni<\/strong>.<\/p><p>Azonban az objektumorient\u00e1lt nyelvek\u00a0<strong>rengeteg \u00faj kifejez\u00e9st \u00e9s koncepci\u00f3t tartalmaznak<\/strong>, p\u00e9ld\u00e1ul objektumorient\u00e1lt gondolkod\u00e1s, be\u00e1gyaz\u00e1s vagy<a href=\"https:\/\/hu.wikipedia.org\/wiki\/A_f\u00fcgg\u0151s\u00e9g_befecskendez\u00e9se\" target=\"_blank\" rel=\"noopener\"> f\u00fcgg\u0151s\u00e9g befecskendez\u00e9s<\/a>, csak hogy n\u00e9h\u00e1nyat eml\u00edts\u00fcnk. \u00c9pp ez\u00e9rt az els\u0151 objektumorient\u00e1lt nyelv, amellyel tal\u00e1lkozol, sokkal bonyolultabbnak fog t\u0171nni, mint amilyen val\u00f3j\u00e1ban. A Jav\u00e1t pontosan emiatt \u00f6vezi akkora rejt\u00e9ly, \u00e9s ez\u00e9rt folyik r\u00f3la annyi vita \u2013 amikor a d\u00e1ikok a Java alapismeretek megtanul\u00e1s\u00e1n\u00e1l tartanak, \u00e9s el\u0151sz\u00f6r pillantanak a k\u00f3dra, kicsit elcs\u00fcggedhetnek. M\u00e1r ahhoz is rengeteget kell tanulni, hogy az ember el tudja olvasni \u00e9s meg\u00e9rtse a k\u00f3dokat!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0c0efa5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0c0efa5\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0999d36\" data-id=\"0999d36\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-244d536 elementor-widget elementor-widget-image\" data-id=\"244d536\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/markus-spiske-70rir5vb96u-unsplash-scaled-e1631109117268-1024x683.jpg\" class=\"attachment-large size-large wp-image-13144\" alt=\"\" srcset=\"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/markus-spiske-70rir5vb96u-unsplash-scaled-e1631109117268-1024x683.jpg 1024w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/markus-spiske-70rir5vb96u-unsplash-scaled-e1631109117268-300x200.jpg 300w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/markus-spiske-70rir5vb96u-unsplash-scaled-e1631109117268-768x512.jpg 768w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/markus-spiske-70rir5vb96u-unsplash-scaled-e1631109117268.jpg 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f121793 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f121793\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0fbf4df\" data-id=\"0fbf4df\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a150f95 elementor-widget elementor-widget-heading\" data-id=\"a150f95\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Hogyan kezdj neki a Java alapismeretek megszerz\u00e9s\u00e9nek?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-572c512 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"572c512\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-211b41f\" data-id=\"211b41f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-567b9bc elementor-widget elementor-widget-text-editor\" data-id=\"567b9bc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>M\u00e9g ha a Jav\u00e1hoz valamivel\u00a0<strong>halad\u00f3bb gondolkod\u00e1s<\/strong>\u00a0<strong>is<\/strong>\u00a0<strong>kell<\/strong>, van p\u00e1r dolog, amellyel leegyszer\u0171s\u00edtheted magadnak a tanul\u00e1si folyamatot.<\/p><p>El\u0151sz\u00f6r is a v\u00e9gletekig\u00a0<strong>nyitottnak kell lenned<\/strong>. El kell fogadnod, hogy \u00faj vil\u00e1gba l\u00e9psz be, \u00e9s nem lesz s\u00e9tagalopp kiismerni magadat benne. Viszont elk\u00e9peszt\u0151en izgalmas kaland lesz! Az ipar\u00e1gban szabv\u00e1nynak sz\u00e1m\u00edt\u00f3 programoz\u00e1si nyelvet fogsz elsaj\u00e1t\u00edtani, \u00edgy meg\u00e9ri nyitottnak lenni.<\/p><p>M\u00e1sodszor, folyamatosan\u00a0<strong>sz\u00e9les\u00edtsd a l\u00e1t\u00f3k\u00f6r\u00f6d<\/strong>, mert most j\u00f6n el az ideje annak, hogy \u00faj megk\u00f6zel\u00edt\u00e9seket ismerj meg. Sz\u00e1mos embert\u0151l \u00e9s forr\u00e1sb\u00f3l tanulhatsz, sz\u00f3val vesd bele magad a Java-programoz\u00e1sba, \u00e9s<strong>\u00a0gy\u0171jts ismereteket k\u00fcl\u00f6nf\u00e9le helyekr\u0151l<\/strong>\u00a0\u2013 olvass blogokat vagy n\u00e9zz vide\u00f3kat; b\u00e1rmit, ami neked bej\u00f6n. M\u00e1r az is sokat seg\u00edthet a Java alapismeretek elsaj\u00e1t\u00edt\u00e1s\u00e1ban, ha megismersz k\u00fcl\u00f6nf\u00e9le n\u00e9z\u0151pontokat, \u00e9s felveszed az OOP fonal\u00e1t.<\/p><p>Annyit mondhatunk, hogy hat\u00e1rozottan lesz egy tanul\u00e1si g\u00f6rb\u00e9d a Java \u00e9s OOP ter\u00e9n, de ahogy telik az id\u0151, \u00e9s meglesz az els\u0151 \u201eAha!\u201d \u00e9lm\u00e9nyed, megv\u00e1ltozik a gondolkod\u00e1sod. A Codecoolerek a k\u00e9pz\u00e9s\u00fck egy k\u00e9s\u0151bbi szakasz\u00e1ban \u00e1ltal\u00e1ban fels\u00f3hajtanak, \u00e9s azt mondj\u00e1k: \u201eNem is \u00e9rtem, eleinte mi\u00e9rt volt ez olyan neh\u00e9z, de m\u00e1r v\u00e1gom az eg\u00e9szet!\u201d<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2e25382 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2e25382\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9adcc29\" data-id=\"9adcc29\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4daac73 elementor-widget elementor-widget-image\" data-id=\"4daac73\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"601\" src=\"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/kevin-ku-aiybwbrwwlo-unsplash-scaled-e1631109799146-1024x769.jpg\" class=\"attachment-large size-large wp-image-13139\" alt=\"\" srcset=\"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/kevin-ku-aiybwbrwwlo-unsplash-scaled-e1631109799146-1024x769.jpg 1024w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/kevin-ku-aiybwbrwwlo-unsplash-scaled-e1631109799146-300x225.jpg 300w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/kevin-ku-aiybwbrwwlo-unsplash-scaled-e1631109799146-768x577.jpg 768w, https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/kevin-ku-aiybwbrwwlo-unsplash-scaled-e1631109799146.jpg 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7a58b71 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7a58b71\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a9eb293\" data-id=\"a9eb293\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7ecefff elementor-widget elementor-widget-heading\" data-id=\"7ecefff\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">A Codecoolerek \u00e9pp a megfelel\u0151 id\u0151ben tal\u00e1lkoznak a Jav\u00e1val<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3140528 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3140528\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2c5a682\" data-id=\"2c5a682\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cf3474a elementor-widget elementor-widget-text-editor\" data-id=\"cf3474a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Az objektumorient\u00e1lt programoz\u00e1si megk\u00f6zel\u00edt\u00e9s \u00f6r\u00f6kre megv\u00e1ltoztatja a gondolkod\u00e1sm\u00f3dodat, \u00e9s m\u00e1r nem lesz vissza\u00fat a k\u00f3dol\u00e1sban, ha egyszer elsaj\u00e1t\u00edtottad. Ez\u00e9rt ismerkedsz majd meg a Jav\u00e1val a 3. modulban, vagyis az OOP-szob\u00e1ban (nagyj\u00e1b\u00f3l a 7\u20139. h\u00f3napban) a full-stack <a href=\"https:\/\/codecool.com\/hu\/\" target=\"_blank\" rel=\"noopener\">programoz\u00f3 k\u00e9pz\u00e9s<\/a> sor\u00e1n.<\/p><p>Mire eljutsz a k\u00e9pz\u00e9s ezen szakasz\u00e1ba, m\u00e1r \u00f3r\u00e1kat fogsz k\u00f3dolni, \u00e9s k\u00e9szen \u00e1llsz majd, hogy\u00a0<strong>\u00faj szintre emeld a logikai gondolkod\u00e1sodat<\/strong>. (Csak vess egy pillant\u00e1st a\u00a0<a href=\"https:\/\/codecool.com\/en\/blog\/code-a-better-future-codecooler-silver-morgan-stanley-hachathon\/\" target=\"_blank\" rel=\"noopener\">di\u00e1kjaink sikert\u00f6rt\u00e9net\u00e9re<\/a>, akik m\u00e1sodik helyet \u00e9rtek el a Morgan Stanley hackathonj\u00e1n, mik\u00f6zben m\u00e9g csak a k\u00e9pz\u00e9s 3. szob\u00e1j\u00e1ban voltak.)<\/p><p>Emellett a Codecoolerek az\u00a0<strong>ipar\u00e1gi szabv\u00e1nyokhoz<\/strong>\u00a0is k\u00f6zelebb ker\u00fclnek, \u00e9s a Java alapismeretek a legjobb m\u00f3dja annak, hogy\u00a0<strong>r\u00e1kapj az objektumorient\u00e1lt gondolkod\u00e1s \u00edz\u00e9re<\/strong>. Mivel olyan sz\u00e9les k\u00f6rben haszn\u00e1lt \u00e9s keresett a programoz\u00e1s vil\u00e1g\u00e1ban, nem is k\u00e9rd\u00e9s, hogy ezzel kell kezdeni, amikor el\u0151sz\u00f6r m\u00e1rt\u00f3zol meg az objektumorient\u00e1lts\u00e1g \u00f3ce\u00e1nj\u00e1ban. Az elsaj\u00e1t\u00edt\u00e1s\u00e1val pedig jelent\u0151s m\u00e9rt\u00e9k\u0171 id\u0151t \u00e9s energi\u00e1t sp\u00f3rolhatsz meg!<\/p><p>Am\u00edg a Java alapismeretek megszerz\u00e9s\u00e9n dolgozol, ebben a\u00a0<strong>fejl\u0151d\u00e9si szeml\u00e9letben<\/strong>\u00a0fogunk haladni! \u00d6szt\u00f6nz\u00fcnk majd, hogy ford\u00edts id\u0151t erre a nyelvre, \u00edgy nem fogod ostorozni magad, amikor nem siker\u00fcl minden els\u0151re. Rengeteg nagyszer\u0171 programoz\u00f3 \u00e1ll p\u00e9ldak\u00e9nt el\u0151tted, akik a dr\u00e1ga idej\u00fcket nem sajn\u00e1lva tanult\u00e1k meg a Java-programoz\u00e1st \u2013 a hib\u00e1k a folyamat term\u00e9szetes velej\u00e1r\u00f3i, de egyszerre csak egy probl\u00e9m\u00e1ra, egy kih\u00edv\u00e1sra koncentr\u00e1lj, \u00e9s minden rendben lesz.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-727c460 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"727c460\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4c2d88b\" data-id=\"4c2d88b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4940b28 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"4940b28\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-999ebe9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"999ebe9\" data-element_type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6a6655e\" data-id=\"6a6655e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4ff367b elementor-widget elementor-widget-text-editor\" data-id=\"4ff367b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ha m\u00e1r meghoztad a d\u00f6nt\u00e9st, hogy programoz\u00f3 leszel, <a href=\"https:\/\/codecool.com\/hu\/kepzesek\/full-stack-fejleszto-kepzes\/\" target=\"_blank\" rel=\"noopener\">gyere \u00e9s saj\u00e1t\u00edtsd el vel\u00fcnk a Jav\u00e1t<\/a>.<\/p><p>A full-stack <a href=\"https:\/\/codecool.com\/hu\/\" target=\"_blank\" rel=\"noopener\">programoz\u00f3 k\u00e9pz\u00e9s\u00fcnk\u00f6n<\/a> lehet\u0151s\u00e9ged lesz er\u0151s alapokat \u00e9p\u00edteni, amelyek sz\u00fcks\u00e9gesek az OOP el\u0151tt. A k\u00e9pz\u00e9s utols\u00f3 modulj\u00e1ban kiv\u00e1laszthatod a saj\u00e1t specializ\u00e1ci\u00f3dat, p\u00e9ld\u00e1ul elm\u00e9ly\u00edtheted a Jav\u00e1val \u00e9s OOP-vel kapcsolatos tud\u00e1sodat. A v\u00e9g\u00e9re alapos ismereteid lesznek, amelyekre nem tehetn\u00e9l szert egy \u00e1tlagos bootcamp sor\u00e1n. A Java ter\u00fclet\u00e9n szerzett r\u00e9szletekbe men\u0151 tud\u00e1son \u00e9s munkarutinon k\u00edv\u00fcl t\u00f6bb m\u00e1sik programoz\u00e1si nyelvet \u00e9s technol\u00f3gi\u00e1t is megismersz majd.<\/p><p>Ha k\u00e9rd\u00e9sed van a k\u00e9pz\u00e9si programunkr\u00f3l vagy a m\u00f3dszereinkr\u0151l, b\u00e1tran\u00a0<a href=\"https:\/\/codecool.com\/hu\/kapcsolat\/\" target=\"_blank\" rel=\"noopener\">vedd fel vel\u00fcnk a kapcsolatot<\/a>, vagy ugorj fejest a weboldalunkba \u00e9s a blogunkba, mert rengeteg forr\u00e1sunk van, amely seg\u00edtenek megismerni iskol\u00e1nkat.<\/p><p>Mi tudjuk, hogy megfelel\u0151 oktat\u00e1ssal, t\u00e1mogat\u00e1ssal \u00e9s motiv\u00e1ci\u00f3val szinte b\u00e1rkib\u0151l lehet programoz\u00f3 \u2013 sz\u00f3val kock\u00e1ztass \u00e9s\u00a0<a href=\"https:\/\/codecool.com\/hu\/rolunk\/jelentkezesi-folyamat\/\" target=\"_blank\" rel=\"noopener\">jelentkezz<\/a>, mert mi hisz\u00fcnk benned, \u00e9s el\u00e9rj\u00fck, hogy te is higgy magadban!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>A Java elsaj\u00e1t\u00edt\u00e1sa nemcsak lehets\u00e9ges, hanem ink\u00e1bb elengedhetetlen, ez\u00e9rt \u00f6sszegy\u0171jt\u00f6tt\u00fcnk mindent, amit \u00e9rdemes tudni a vil\u00e1g leggyakrabban haszn\u00e1lt objektumorient\u00e1lt nyelv\u00e9r\u0151l.<\/p>\n","protected":false},"author":6,"featured_media":13154,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[128],"tags":[],"class_list":["post-13388","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programozas-hu"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.4 (Yoast SEO v24.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Neh\u00e9z megtanulni a Jav\u00e1t? I Java kezd\u0151knek I OOP<\/title>\n<meta name=\"description\" content=\"A Java p\u00f3tolhatatlan az IT-ban, hiszen napjaink legkeresettebb programoz\u00e1si nyelve. \u00c9s a Java kezd\u0151knek is val\u00f3! Elmondjuk mi\u00e9rt.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Java kezd\u0151knek is val\u00f3? Ismerd meg a vil\u00e1g kedvenc objektumorient\u00e1lt nyelv\u00e9t\" \/>\n<meta property=\"og:description\" content=\"A Java p\u00f3tolhatatlan az IT-ban, hiszen napjaink legkeresettebb programoz\u00e1si nyelve. \u00c9s a Java kezd\u0151knek is val\u00f3! Elmondjuk mi\u00e9rt.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/\" \/>\n<meta property=\"og:site_name\" content=\"Codecool\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/CodecoolOfficial\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-18T08:36:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-13T16:11:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/resized-image-promo-975x500-1.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"975\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"M\u00edra Szabotin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Codecool_global\" \/>\n<meta name=\"twitter:site\" content=\"@Codecool_global\" \/>\n<meta name=\"twitter:label1\" content=\"Szerz\u0151:\" \/>\n\t<meta name=\"twitter:data1\" content=\"M\u00edra Szabotin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Becs\u00fclt olvas\u00e1si id\u0151\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 perc\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Neh\u00e9z megtanulni a Jav\u00e1t? I Java kezd\u0151knek I OOP","description":"A Java p\u00f3tolhatatlan az IT-ban, hiszen napjaink legkeresettebb programoz\u00e1si nyelve. \u00c9s a Java kezd\u0151knek is val\u00f3! Elmondjuk mi\u00e9rt.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/","og_locale":"hu_HU","og_type":"article","og_title":"A Java kezd\u0151knek is val\u00f3? Ismerd meg a vil\u00e1g kedvenc objektumorient\u00e1lt nyelv\u00e9t","og_description":"A Java p\u00f3tolhatatlan az IT-ban, hiszen napjaink legkeresettebb programoz\u00e1si nyelve. \u00c9s a Java kezd\u0151knek is val\u00f3! Elmondjuk mi\u00e9rt.","og_url":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/","og_site_name":"Codecool","article_publisher":"https:\/\/www.facebook.com\/CodecoolOfficial\/","article_published_time":"2022-11-18T08:36:17+00:00","article_modified_time":"2025-01-13T16:11:31+00:00","og_image":[{"width":975,"height":500,"url":"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/resized-image-promo-975x500-1.jpeg","type":"image\/jpeg"}],"author":"M\u00edra Szabotin","twitter_card":"summary_large_image","twitter_creator":"@Codecool_global","twitter_site":"@Codecool_global","twitter_misc":{"Szerz\u0151:":"M\u00edra Szabotin","Becs\u00fclt olvas\u00e1si id\u0151":"8 perc"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/#article","isPartOf":{"@id":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/"},"author":{"name":"M\u00edra Szabotin","@id":"https:\/\/codecool.com\/hu\/#\/schema\/person\/8321a8c1fd0f45a7ec1d99a2ed8a3f8a"},"headline":"A Java kezd\u0151knek is val\u00f3? Ismerd meg a vil\u00e1g kedvenc objektumorient\u00e1lt nyelv\u00e9t","datePublished":"2022-11-18T08:36:17+00:00","dateModified":"2025-01-13T16:11:31+00:00","mainEntityOfPage":{"@id":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/"},"wordCount":2130,"publisher":{"@id":"https:\/\/codecool.com\/hu\/#organization"},"image":{"@id":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/#primaryimage"},"thumbnailUrl":"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/resized-image-promo-975x500-1.jpeg","articleSection":["Programoz\u00e1s"],"inLanguage":"hu"},{"@type":"WebPage","@id":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/","url":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/","name":"Neh\u00e9z megtanulni a Jav\u00e1t? I Java kezd\u0151knek I OOP","isPartOf":{"@id":"https:\/\/codecool.com\/hu\/#website"},"primaryImageOfPage":{"@id":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/#primaryimage"},"image":{"@id":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/#primaryimage"},"thumbnailUrl":"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/resized-image-promo-975x500-1.jpeg","datePublished":"2022-11-18T08:36:17+00:00","dateModified":"2025-01-13T16:11:31+00:00","description":"A Java p\u00f3tolhatatlan az IT-ban, hiszen napjaink legkeresettebb programoz\u00e1si nyelve. \u00c9s a Java kezd\u0151knek is val\u00f3! Elmondjuk mi\u00e9rt.","breadcrumb":{"@id":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/#breadcrumb"},"inLanguage":"hu","potentialAction":[{"@type":"ReadAction","target":["https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/"]}]},{"@type":"ImageObject","inLanguage":"hu","@id":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/#primaryimage","url":"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/resized-image-promo-975x500-1.jpeg","contentUrl":"https:\/\/codecool.com\/wp-content\/uploads\/2021\/11\/resized-image-promo-975x500-1.jpeg","width":975,"height":500,"caption":"Java lernen"},{"@type":"BreadcrumbList","@id":"https:\/\/codecool.com\/hu\/nehez-a-java-java-kezdoknek-objektumorientalt-nyelv\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/codecool.com\/hu\/"},{"@type":"ListItem","position":2,"name":"A Java kezd\u0151knek is val\u00f3? Ismerd meg a vil\u00e1g kedvenc objektumorient\u00e1lt nyelv\u00e9t"}]},{"@type":"WebSite","@id":"https:\/\/codecool.com\/hu\/#website","url":"https:\/\/codecool.com\/hu\/","name":"Codecool","description":"Next gen coding school &amp; career hub","publisher":{"@id":"https:\/\/codecool.com\/hu\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/codecool.com\/hu\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"hu"},{"@type":"Organization","@id":"https:\/\/codecool.com\/hu\/#organization","name":"Codecool","alternateName":"Codecool","url":"https:\/\/codecool.com\/hu\/","logo":{"@type":"ImageObject","inLanguage":"hu","@id":"https:\/\/codecool.com\/hu\/#\/schema\/logo\/image\/","url":"https:\/\/codecool.com\/wp-content\/uploads\/2023\/09\/Codecool-logo-app.svg","contentUrl":"https:\/\/codecool.com\/wp-content\/uploads\/2023\/09\/Codecool-logo-app.svg","width":1,"height":1,"caption":"Codecool"},"image":{"@id":"https:\/\/codecool.com\/hu\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/CodecoolOfficial\/","https:\/\/x.com\/Codecool_global","https:\/\/www.instagram.com\/codecool_official\/","https:\/\/www.linkedin.com\/school\/codecool\/"]},{"@type":"Person","@id":"https:\/\/codecool.com\/hu\/#\/schema\/person\/8321a8c1fd0f45a7ec1d99a2ed8a3f8a","name":"M\u00edra Szabotin","image":{"@type":"ImageObject","inLanguage":"hu","@id":"https:\/\/codecool.com\/hu\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/46a5e82c8b757c5a0db62360ecbcbe5b38d5a4a93a19cc101817e2223111d197?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/46a5e82c8b757c5a0db62360ecbcbe5b38d5a4a93a19cc101817e2223111d197?s=96&d=mm&r=g","caption":"M\u00edra Szabotin"}}]}},"_links":{"self":[{"href":"https:\/\/codecool.com\/hu\/wp-json\/wp\/v2\/posts\/13388","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/codecool.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codecool.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codecool.com\/hu\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/codecool.com\/hu\/wp-json\/wp\/v2\/comments?post=13388"}],"version-history":[{"count":22,"href":"https:\/\/codecool.com\/hu\/wp-json\/wp\/v2\/posts\/13388\/revisions"}],"predecessor-version":[{"id":114681,"href":"https:\/\/codecool.com\/hu\/wp-json\/wp\/v2\/posts\/13388\/revisions\/114681"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/codecool.com\/hu\/wp-json\/wp\/v2\/media\/13154"}],"wp:attachment":[{"href":"https:\/\/codecool.com\/hu\/wp-json\/wp\/v2\/media?parent=13388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codecool.com\/hu\/wp-json\/wp\/v2\/categories?post=13388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codecool.com\/hu\/wp-json\/wp\/v2\/tags?post=13388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}