{"id":74793,"date":"2020-03-20T20:42:19","date_gmt":"2020-03-20T17:42:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/quarkus-sverhzvukovaya-subatomnaya-java-kratkij-obzor-frejmvorka"},"modified":"2020-03-20T20:42:19","modified_gmt":"2020-03-20T17:42:19","slug":"quarkus-sverhzvukovaya-subatomnaya-java-kratkij-obzor-frejmvorka","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/quarkus-sverhzvukovaya-subatomnaya-java-kratkij-obzor-frejmvorka","title":{"rendered":"Quarkus \u2014 nadzvukov\u00e1 subatomov\u00e1 Java. Stru\u010dn\u00fd p\u0159ehled frameworku","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Quarkus \u2014 nadzvukov\u00e1 subatomov\u00e1 Java. Stru\u010dn\u00fd p\u0159ehled frameworku\" src=\"\/wp-content\/uploads\/2020\/03\/b40e193b4a696206aad8b08a5e4795a1.png\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<h3 id=\"vvedenie\">\u00davod<\/h3>\n<p><\/p>\n<p>Sedm\u00e9ho b\u0159ezna spole\u010dnost RedHat (brzy \u2014 IBM) <noindex><a rel=\"nofollow\" href=\"https:\/\/developers.redhat.com\/blog\/2019\/03\/07\/quarkus-next-generation-kubernetes-native-java-framework\/\">p\u0159edstavila<\/a><\/noindex> nov\u00fd r\u00e1mec \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/quarkus.io\/\">Quarkus<\/a><\/noindex>. Podle slov v\u00fdvoj\u00e1\u0159\u016f je tento r\u00e1mec zalo\u017een na GraalVM a OpenJDK HotSpot a je ur\u010den pro Kubernetes. Tech stack Quarkus zahrnuje: JPA\/Hibernate, JAX-RS\/RESTEasy, Eclipse Vert.x, Netty, Apache Camel, Kafka, Prometheus a dal\u0161\u00ed.<\/p>\n<p><\/p>\n<p>C\u00edlem vytvo\u0159en\u00ed je u\u010dinit Java vedouc\u00ed platformou pro nasazen\u00ed v Kubernetes a v\u00fdvoj serverless aplikac\u00ed, poskytuj\u00edc\u00ed v\u00fdvoj\u00e1\u0159\u016fm sjednocen\u00fd p\u0159\u00edstup k v\u00fdvoji jak v reaktivn\u00edm, tak v imperativn\u00edm stylu.<\/p>\n<p><\/p>\n<p>Pokud se pod\u00edv\u00e1me na <noindex><a rel=\"nofollow\" href=\"https:\/\/dzone.com\/articles\/classification-of-development-frameworks-for-enter\"><u>tento<\/u><\/a><\/noindex> pokud jde o klasifikaci r\u00e1mc\u016f, Quarkus se nach\u00e1z\u00ed n\u011bkde mezi &#171;Agreg\u00e1tory\/Gener\u00e1tory k\u00f3du&#187; a &#171;Vysoce \u00farov\u0148ov\u00fdmi fullstack r\u00e1mci&#187;. Je to u\u017e v\u00edce ne\u017e agreg\u00e1tor, ale st\u00e1le to nedosahuje \u00farovn\u011b full-stack, proto\u017ee je zam\u011b\u0159en na v\u00fdvoj backendu.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Byla sl\u00edbena velmi vysok\u00e1 rychlost spu\u0161t\u011bn\u00ed aplikace a n\u00edzk\u00e1 spot\u0159eba pam\u011bti. Zde jsou \u00fadaje ze str\u00e1nek v\u00fdvoj\u00e1\u0159e:<\/p>\n<p><\/p>\n<p>Doba od startu do prvn\u00ed odpov\u011bdi (s):<\/p>\n<p><\/p>\n<p>Konfigurace<br \/>\nREST<br \/>\nREST+JPA<\/p>\n<p>Quarkus+GraalVM<br \/>\n0.014<br \/>\n0.055<\/p>\n<p>Quarkus+OpenJDK<br \/>\n0.75<br \/>\n2.5<\/p>\n<p>Tradi\u010dn\u00ed cloudov\u00e1 nativn\u00ed stack*<br \/>\n4.3<br \/>\n9.5<\/p>\n<p><\/p>\n<p>Spot\u0159eba pam\u011bti (Mb):<\/p>\n<p><\/p>\n<p>Konfigurace<br \/>\nREST<br \/>\nREST+JPA<\/p>\n<p>Quarkus+GraalVM<br \/>\n13<br \/>\n35<\/p>\n<p>Quarkus+OpenJDK<br \/>\n74<br \/>\n130<\/p>\n<p>Tradi\u010dn\u00ed cloudov\u00e1 nativn\u00ed stack*<br \/>\n140<br \/>\n218<\/p>\n<p><\/p>\n<p>Impozantn\u00ed, \u017ee?<\/p>\n<p><\/p>\n<p>*<em>Informace o tomto technick\u00e9m stacku jsem nena\u0161el, m\u016f\u017eeme p\u0159edpokl\u00e1dat, \u017ee to je n\u011bjak\u00fd Spring Boot s dodate\u010dn\u00fdm vybaven\u00edm.<\/em>.<\/p>\n<p><\/p>\n<h3 id=\"hello-world\">Hello World!<\/h3>\n<p><\/p>\n<p>Nejjednodu\u0161\u0161\u00ed aplikace napsan\u00e1 na Quarkus bude vypadat takto:<\/p>\n<p><\/p>\n<pre><code class=\"java\">@Path(\"\/hello\")\npublic class GreetingResource {\n\n   @GET\n   @Produces(MediaType.TEXT_PLAIN)\n   public String hello() {\n       return \"hello\";\n   }\n}<\/code><\/pre>\n<p><\/p>\n<p>To je doslova jedna t\u0159\u00edda a to je v\u0161e! Aplikaci m\u016f\u017eeme spustit pomoc\u00ed Maven v re\u017eimu v\u00fdvoje:<\/p>\n<p><\/p>\n<pre><code class=\"plaintext\">mvn compile quarkus:dev\n\u2026\n$ curl http:\/\/localhost:8080\/hello\nhello<\/code><\/pre>\n<p><\/p>\n<p>Rozd\u00edl oproti b\u011b\u017en\u00e9 aplikaci \u2014 chyb\u00ed t\u0159\u00edda Application! Quarkus podporuje hot reload, tak\u017ee lze m\u011bnit aplikaci, ani\u017e by se restartovala, co\u017e urychluje v\u00fdvoj. <\/p>\n<p><\/p>\n<p>Co d\u00e1l? M\u016f\u017eeme p\u0159idat slu\u017ebu do kontroleru pomoc\u00ed anotace <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/inject\/\" class=\"user_link\">Injekce<\/a><\/noindex>. K\u00f3d slu\u017eby:<\/p>\n<p><\/p>\n<pre><code class=\"java\">@ApplicationScoped\npublic class GreetingService {\n\n   public String greeting(String name) {\n       return \"Hello \" + name + \"!\";\n   }\n}<\/code><\/pre>\n<p><\/p>\n<p>Kontroler:<\/p>\n<p><\/p>\n<pre><code class=\"java\">@Path(\"\/hello\")\npublic class GreetingResource {\n\n   @Inject\n   GreetingService service;\n\n   @GET\n   @Produces(MediaType.TEXT_PLAIN)\n   @Path(\"\/{name}\")\n   public String greeting(@PathParam(\"name\") String name) {\n       return service.greeting(name);\n   }\n}<\/code><\/pre>\n<p><\/p>\n<pre><code class=\"plaintext\">$ curl http:\/\/localhost:8080\/hello\/developer\nHello developer!<\/code><\/pre>\n<p><\/p>\n<p>V\u0161imn\u011bte si, \u017ee v Quarkus se pou\u017e\u00edvaj\u00ed standardn\u00ed anotace z zn\u00e1m\u00fdch r\u00e1mc\u016f \u2014 CDI a JAX-RS. Nen\u00ed t\u0159eba se u\u010dit nic nov\u00e9ho, pokud jste s CDI a JAX-RS pracovali d\u0159\u00edve. <\/p>\n<p><\/p>\n<h3 id=\"rabota-s-bazoy-dannyh\">Pr\u00e1ce s datab\u00e1z\u00ed<\/h3>\n<p><\/p>\n<p>Pou\u017e\u00edv\u00e1 se Hibernate a standardn\u00ed JPA anotace pro entity. Jak bylo uvedeno u REST kontroler\u016f, je t\u0159eba napsat minim\u00e1ln\u00ed mno\u017estv\u00ed k\u00f3du. Sta\u010d\u00ed uv\u00e9st z\u00e1vislosti v souboru pro sestaven\u00ed a p\u0159idat anotace. <code>@Entity<\/code> a nastavit datasource v application.properties. <\/p>\n<p><\/p>\n<p>To je v\u0161e. \u017d\u00e1dn\u00e9 sessionFactory, persistence.xml a dal\u0161\u00ed servisn\u00ed soubory. P\u00ed\u0161eme pouze ten k\u00f3d, kter\u00fd je pot\u0159eba. Pokud je to v\u0161ak nutn\u00e9, lze vytvo\u0159it soubor persistence.xml a podrobn\u011bji konfigurovat ORM vrstvu. <\/p>\n<p><\/p>\n<p>Quarkus podporuje ke\u0161ov\u00e1n\u00ed entit, kolekc\u00ed pro vztahy jeden-k-mnoh\u00fdm, stejn\u011b jako dotazy. Na prvn\u00ed pohled to vypad\u00e1 skv\u011ble, ale <em>je to lok\u00e1ln\u00ed<\/em> ke\u0161ov\u00e1n\u00ed pro jeden uzel Kubernetes. Tedy ke\u0161e r\u016fzn\u00fdch uzl\u016f nejsou vz\u00e1jemn\u011b synchronizov\u00e1ny. Douf\u00e1m, \u017ee je to do\u010dasn\u00e9. <\/p>\n<p><\/p>\n<h3 id=\"asinhronnoe-vypolnenie-koda\">Asynchronn\u00ed vykon\u00e1v\u00e1n\u00ed k\u00f3du<\/h3>\n<p><\/p>\n<p>Jak bylo zm\u00edn\u011bno v\u00fd\u0161e, Quarkus podporuje i reaktivn\u00ed styl programov\u00e1n\u00ed. K\u00f3d p\u0159edchoz\u00ed aplikace lze napsat jin\u00fdm zp\u016fsobem.<\/p>\n<p><\/p>\n<pre><code class=\"java\">@Path(\"\/hello\")\npublic class GreetingResource {\n\n   @GET\n   @Produces(MediaType.TEXT_PLAIN)\n   @Path(\"\/{name}\")\n   public CompletionStage greeting(@PathParam(\"name\") String name) {\n       return CompletableFuture.supplyAsync(() -&gt; {\n           return \"Hello \" + name + \"!\";\n       });\n   }\n}<\/code><\/pre>\n<p><\/p>\n<p>Asynchronn\u00ed k\u00f3d lze tak\u00e9 p\u0159esunout do slu\u017eby, v\u00fdsledek bude stejn\u00fd. <\/p>\n<p><\/p>\n<h3 id=\"testirovanie\">Testov\u00e1n\u00ed<\/h3>\n<p><\/p>\n<p>Testy pro aplikace Quarkus lze ps\u00e1t na JUnit4 nebo JUnit5. N\u00ed\u017ee je uveden p\u0159\u00edklad testu pro endpoint, kter\u00fd je naps\u00e1n pomoc\u00ed RestAssured, ale lze pou\u017e\u00edt i jin\u00fd framework: <\/p>\n<p><\/p>\n<pre><code class=\"java\">@QuarkusTest\npublic class GreetingResourceTest {\n\n   @Test\n   public void testGreetingEndpoint() {\n       String uuid = UUID.randomUUID().toString();\n       given()\n         .pathParam(\"name\", uuid)\n         .when().get(\"\/hello\/{name}\")\n         .then()\n           .statusCode(200)\n           .body(is(\"Hello \" + uuid + \"!\"));\n   }\n}<\/code><\/pre>\n<p><\/p>\n<p>Anotace @QuarkusTest p\u0159edepisuje spu\u0161t\u011bn\u00ed aplikace p\u0159ed t\u00edm, ne\u017e se spust\u00ed testy. Jinak jde o k\u00f3d zn\u00e1m\u00fd v\u0161em v\u00fdvoj\u00e1\u0159\u016fm. <\/p>\n<p><\/p>\n<h3 id=\"platformo-zavisimoe-prilozhenie\">Platformn\u011b z\u00e1visl\u00e1 aplikace<\/h3>\n<p><\/p>\n<p>Jeliko\u017e je Quarkus t\u011bsn\u011b integrov\u00e1n s GraalVM, lze samoz\u0159ejm\u011b generovat platformn\u011b z\u00e1visl\u00fd k\u00f3d. K tomu je t\u0159eba nainstalovat GraalVM a nastavit prom\u011bnnou prost\u0159ed\u00ed GRAALVM_HOME. D\u00e1le <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/quarkusio\/quarkus-quickstarts\/blob\/fae88eaab10ed4d68ac44e0b8b7416e631b8a6f9\/getting-started-knative\/pom.xml#L105\">je t\u0159eba zapsat profil pro sestaven\u00ed<\/a><\/noindex> a uv\u00e9st jej p\u0159i sestaven\u00ed aplikace:<\/p>\n<p><\/p>\n<pre><code class=\"java\">mvn package -Pnative<\/code><\/pre>\n<p><\/p>\n<p>Co je zaj\u00edmav\u00e9, generovanou aplikaci lze otestovat. A to je d\u016fle\u017eit\u00e9, proto\u017ee vykon\u00e1v\u00e1n\u00ed 'nativn\u00edho' k\u00f3du se m\u016f\u017ee li\u0161it od vykon\u00e1v\u00e1n\u00ed na JVM. Anotace @SubstrateTest spou\u0161t\u00ed platformn\u011b z\u00e1visl\u00fd k\u00f3d aplikace. Znovupou\u017eit\u00ed existuj\u00edc\u00edho k\u00f3du test\u016f lze prov\u00e9st pomoc\u00ed d\u011bdi\u010dnosti, v\u00fdsledkem \u010deho\u017e k\u00f3d pro testov\u00e1n\u00ed platformn\u011b z\u00e1visl\u00e9 aplikace vypad\u00e1 takto:<\/p>\n<p><\/p>\n<pre><code class=\"java\">@SubstrateTest\npublic class GreetingResourceIT extends GreetingResourceTest {\n\n}<\/code><\/pre>\n<p><\/p>\n<p>Generovan\u00fd obraz lze zabalit do Dockeru a spou\u0161t\u011bt v Kubernetes nebo OpenShift, podrobnosti jsou uvedeny v <noindex><a rel=\"nofollow\" href=\"https:\/\/quarkus.io\/guides\/kubernetes-guide\">instrukci<\/a><\/noindex>.<\/p>\n<p><\/p>\n<h3 id=\"instrumentariy\">N\u00e1stroje<\/h3>\n<p><\/p>\n<p>Framework Quarkus lze pou\u017e\u00edvat s Maven a Gradle. Maven je pln\u011b podporov\u00e1n, na rozd\u00edl od Gradle. Bohu\u017eel, v sou\u010dasn\u00e9 dob\u011b Gradle nepodporuje generov\u00e1n\u00ed pr\u00e1zdn\u00e9ho projektu, na webu jsou podrobn\u00e9 <noindex><a rel=\"nofollow\" href=\"https:\/\/quarkus.io\/guides\/gradle-tooling.html\">u\u010debnice<\/a><\/noindex>.<\/p>\n<p><\/p>\n<h3 id=\"rasshireniya\">Roz\u0161\u00ed\u0159en\u00ed<\/h3>\n<p><\/p>\n<p>Quarkus \u2014 roz\u0161i\u0159iteln\u00fd framework. V sou\u010dasn\u00e9 dob\u011b existuje p\u0159ibli\u017en\u011b <noindex><a rel=\"nofollow\" href=\"https:\/\/quarkus.io\/extensions\/\">40 roz\u0161\u00ed\u0159en\u00ed<\/a><\/noindex>, kter\u00e1 p\u0159id\u00e1vaj\u00ed r\u016fznou funkcionalitu \u2014 od podpory <noindex><a rel=\"nofollow\" href=\"https:\/\/quarkus.io\/extensions\/#migration\">Spring DI kontejneru<\/a><\/noindex> a <noindex><a rel=\"nofollow\" href=\"https:\/\/quarkus.io\/extensions\/#integration\">Apache Camel<\/a><\/noindex> a\u017e po protokolov\u00e1n\u00ed a publikaci metrik pro b\u011b\u017e\u00edc\u00ed slu\u017eby. A ji\u017e existuje roz\u0161\u00ed\u0159en\u00ed pro podporu psan\u00ed aplikac\u00ed v jazyce Kotlin, krom\u011b Javy. <\/p>\n<p><\/p>\n<h2 id=\"zaklyuchenie\">Z\u00e1v\u011br<\/h2>\n<p><\/p>\n<p>Podle m\u00e9ho n\u00e1zoru je Quarkus rozhodn\u011b v trendech doby. V\u00fdvoj backendov\u00e9ho k\u00f3du se st\u00e1v\u00e1 st\u00e1le jednodu\u0161\u0161\u00edm, a tento framework je\u0161t\u011b v\u00edce zjednodu\u0161uje a zrychluje v\u00fdvoj slu\u017eeb, p\u0159i\u010dem\u017e p\u0159id\u00e1v\u00e1 'nativn\u00ed' podporu pro Docker a Kubernetes. Obrovsk\u00fd plus \u2014 integrovan\u00e1 podpora GraalVM a generov\u00e1n\u00ed platformn\u011b z\u00e1visl\u00fdch obraz\u016f, co\u017e umo\u017e\u0148uje, aby byly slu\u017eby skute\u010dn\u011b rychle startuj\u00edc\u00ed a zab\u00edraly m\u00e1lo m\u00edsta v pam\u011bti. A to je v na\u0161\u00ed dob\u011b masov\u00e9ho zam\u011b\u0159en\u00ed na mikroslu\u017eby a serverless architekturu velmi d\u016fle\u017eit\u00e9.<\/p>\n<p><\/p>\n<p>Ofici\u00e1ln\u00ed webov\u00e1 str\u00e1nka \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/quarkus.io\/\">quarkus.io<\/a><\/noindex>. P\u0159\u00edklady projekt\u016f pro rychl\u00fd start ji\u017e existuj\u00ed na <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/quarkusio\/quarkus-quickstarts\">GitHub<\/a><\/noindex>.\n<\/p>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/haulmont\/blog\/443242\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0421\u0435\u0434\u044c\u043c\u043e\u0433\u043e \u043c\u0430\u0440\u0442\u0430 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f RedHat (\u0432\u0441\u043a\u043e\u0440\u0435 \u2014 IBM) \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043d\u043e\u0432\u044b\u0439 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a \u2014 Quarkus. \u041f\u043e \u0441\u043b\u043e\u0432\u0430\u043c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432, \u044d\u0442\u043e\u0442 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a \u0431\u0430\u0437\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043d\u0430 GraalVM \u0438 OpenJDK HotSpot \u0438 \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d \u0434\u043b\u044f Kubernetes. \u0421\u0442\u0435\u043a Quarkus \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0432 \u0441\u0435\u0431\u044f: JPA\/Hibernate, JAX-RS\/RESTEasy, Eclipse Vert.x, Netty, Apache Camel, Kafka, Prometheus \u0438 \u0434\u0440\u0443\u0433\u0438\u0435. \u0426\u0435\u043b\u044c \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u2014 \u0441\u0434\u0435\u043b\u0430\u0442\u044c Java \u043b\u0438\u0434\u0438\u0440\u0443\u044e\u0449\u0435\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u043e\u0439 \u0434\u043b\u044f \u0440\u0430\u0437\u0432\u0435\u0440\u0442\u044b\u0432\u0430\u043d\u0438\u044f \u0432 Kubernetes [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":74794,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-74793","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/quarkus-sverhzvukovaya-subatomnaya-java-kratkij-obzor-frejmvorka\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47Quarkus \u2014 \u0441\u0432\u0435\u0440\u0445\u0437\u0432\u0443\u043a\u043e\u0432\u0430\u044f \u0441\u0443\u0431\u0430\u0442\u043e\u043c\u043d\u0430\u044f Java. \u041a\u0440\u0430\u0442\u043a\u0438\u0439 \u043e\u0431\u0437\u043e\u0440 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 | ProHoster\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/quarkus-sverhzvukovaya-subatomnaya-java-kratkij-obzor-frejmvorka\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-03-20T17:42:19+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-03-20T17:42:19+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Quarkus \u2014 nadzvukov\u00e1 subatom\u00e1rn\u00ed Java. 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