{"id":38223,"date":"2019-10-31T22:22:24","date_gmt":"2019-10-31T19:22:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-java-se-13\/"},"modified":"2019-10-31T22:22:24","modified_gmt":"2019-10-31T19:22:24","slug":"vypusk-java-se-13","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/vypusk-java-se-13","title":{"rendered":"Izdanje Java SE 13","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nakon \u0161est mjeseci razvoja, tvrtka Oracle <noindex><a rel=\"nofollow\" href=\"http:\/\/mail.openjdk.java.net\/pipermail\/announce\/2019-September\/000274.html\">izdala<\/a><\/noindex> platformu <noindex><a rel=\"nofollow\" href=\"http:\/\/www.oracle.com\/technetwork\/java\/javase\/downloads\/index.html\">Java SE 13<\/a><\/noindex> (Java Platform, Standard Edition 13), \u010dija se referentna implementacija temelji na otvorenom projektu OpenJDK. U Java SE 13 zadr\u017eana je unatrag kompatibilnost s ranijim verzijama platforme Java, svi prethodno napisani Java projekti \u0107e raditi bez promjena na novoj verziji. Dostupne su instalacijske verzije Java SE 13 (JDK, JRE i Server JRE) <noindex><a rel=\"nofollow\" href=\"http:\/\/jdk.java.net\/13\">pripremljeni<\/a><\/noindex> za Linux (x86_64), Solaris, Windows i macOS. Referentna implementacija razvijena unutar projekta OpenJDK <noindex><a rel=\"nofollow\" href=\"http:\/\/openjdk.java.net\/projects\/jdk\/13\/\">Java 13<\/a><\/noindex> je potpuno otvorena pod GPLv2 licencom s iznimkama GNU ClassPath, koje omogu\u0107uju dinami\u010dko povezivanje s komercijalnim proizvodima. <\/p>\n<p>Java SE 13 spada u kategoriju izdanja s uobi\u010dajenim rokom trajanja podr\u0161ke, a a\u017euriranja \u0107e se izdavati do sljede\u0107eg izdanja. Za du\u017ei rok trajanja podr\u0161ke (LTS) preporu\u010duje se kori\u0161tenje Java SE 11, a a\u017euriranja \u0107e se izdavati do 2026. godine. Prethodna LTS grana Java 8 \u0107e se podr\u017eavati do prosinca 2020. godine. Sljede\u0107e LTS izdanje planirano je za rujan 2021. godine. Podsje\u0107amo da je s izdanjem Java 10 projekt pre\u0161ao na novi razvojni proces, koji podrazumijeva kra\u0107i ciklus nastajanja novih izdanja. Nova funkcionalnost se sada razvija u jednoj stalno a\u017euriranoj master-grani, u koju se uklju\u010duju gotove promjene, a jednom svakih \u0161est mjeseci grane se odvajaju za stabilizaciju novih izdanja. Za o\u017eujak sljede\u0107e godine planirano je izdanje Java 14, \u010dije su preliminarne verzije ve\u0107 <noindex><a rel=\"nofollow\" href=\"http:\/\/jdk.java.net\/14\/\">su dostupne<\/a><\/noindex> na raspolaganju za testiranje.<\/p>\n<p>Od <noindex><a rel=\"nofollow\" href=\"http:\/\/openjdk.java.net\/projects\/jdk\/13\/\">novitete<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/jdk.java.net\/13\/release-notes#newfeatures\">Java 13<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.oracle.com\/java-platform-group\/the-arrival-of-java-13\">mo\u017eete<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.oracle.com\/technetwork\/java\/javase\/13all-relnotes-5461743.html#NewFeature\">da se spomenu<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"http:\/\/openjdk.java.net\/jeps\/350\">Dodana<\/a><\/noindex> podr\u0161ka za dinami\u010dko dodavanje CDS (Class-Data Sharing) arhiva, koji omogu\u0107uju zajedni\u010dki pristup aplikacija zajedni\u010dkim klasama. Kori\u0161tenjem CDS zajedni\u010dke klase mogu se smjestiti u poseban zajedni\u010dki arhiv, \u0161to ubrzava pokretanje aplikacija i smanjuje tro\u0161kove. U novoj verziji dodani su alati za dinami\u010dko arhiviranje klasa nakon zavr\u0161etka izvr\u0161avanja aplikacije. Klase smje\u0161tene u arhiv uklju\u010duju sve klase u\u010ditane tijekom rada programa i pripadaju\u0107e biblioteke, koje nisu bile u po\u010detno isporu\u010denom osnovnom CDS arhivu;\n<li class=\"l\"> U sakuplja\u010du sme\u0107a ZGC (Z Garbage Collector) <noindex><a rel=\"nofollow\" href=\"http:\/\/openjdk.java.net\/jeps\/351\">dodana<\/a><\/noindex> podr\u0161ka za vra\u0107anje neiskori\u0161tene memorije operativnom sustavu;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"http:\/\/openjdk.java.net\/jeps\/353\">Aktiviran<\/a><\/noindex> preure\u0111ena implementacija API-a Legacy Socket (java.net.Socket i java.net.ServerSocket), koja je lak\u0161a za odr\u017eavanje i otklanjanje gre\u0161aka. Osim toga, ponu\u0111ena implementacija \u0107e se lak\u0161e prilagoditi za rad s novim sustavom niti u korisni\u010dkom prostoru (fibers), koji se razvija u okviru projekta Loom;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"http:\/\/openjdk.java.net\/jeps\/354\">Nastavljeno<\/a><\/noindex> razvoj nove forme izraza &#171;switch&#187;. Dodana je eksperimentalna (Preview) mogu\u0107nost kori\u0161tenja &#171;switch&#187; ne samo kao operator, ve\u0107 i kao izraz. Na primjer, sada mo\u017eete koristiti konstrukcije poput:\n<p>   int numLetters = switch (day) {<br \/>\n       case MONDAY, FRIDAY, SUNDAY -&gt; 6;<br \/>\n       case TUESDAY -&gt; 7;<br \/>\n       case THURSDAY, SATURDAY -&gt; 8;<br \/>\n       case WEDNESDAY -&gt; 9;<br \/>\n   };<\/p>\n<p>ili<\/p>\n<p>   System.out.println(<br \/>\n        switch (k) {<br \/>\n            case 1 -&gt; &#171;one&#187;<br \/>\n            case 2 -&gt; &#171;two&#187;<br \/>\n            default -&gt; &#171;many&#187;<br \/>\n        }<br \/>\n    );<\/p>\n<p>U budu\u0107nosti se na osnovu ove mogu\u0107nosti <noindex><a rel=\"nofollow\" href=\"http:\/\/openjdk.java.net\/jeps\/305\">planira<\/a><\/noindex> implementirati podr\u0161ku za uskla\u0111ivanje po obrascima;<\/p>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"http:\/\/openjdk.java.net\/jeps\/355\">Dodana<\/a><\/noindex> eksperimentalna podr\u0161ka za tekstualne blokove \u2014 nova forma nizovnih literala koja omogu\u0107ava uklju\u010divanje vi\u0161elinijskih tekstualnih podataka u izvorni kod bez potrebe za escape-om znakova i zadr\u017eavanje izvornog formatiranja teksta u bloku. Obra\u0111ivanje bloka ostvaruje se s tri dvostruke navodnike. Na primjer, umjesto izraza\n<p>   String query = &#171;SELECT `EMP_ID`, `LAST_NAME` FROM `EMPLOYEE_TB`&#092;n&#187; +<br \/>\n               &#171;WHERE `CITY` = &#8216;INDIANAPOLIS&#8217;&#092;n&#187; +<br \/>\n               &#171;ORDER BY `EMP_ID`, `LAST_NAME`;&#092;n&#187;;<\/p>\n<p>sada je mogu\u0107e koristiti konstrukciju:<\/p>\n<p>  String query = &#171;&#187;&#187;<br \/>\n               SELECT `EMP_ID`, `LAST_NAME` FROM `EMPLOYEE_TB`<br \/>\n               WHERE `CITY` = &#8216;INDIANAPOLIS&#8217;<br \/>\n               ORDER BY `EMP_ID`, `LAST_NAME`;<br \/>\n               &#171;&#187;&#187;;<\/p>\n<li class=\"l\"> Zatvoreno je 2126 izvje\u0161taja o gre\u0161kama, od kojih je 1454 rije\u0161eno od strane zaposlenika Oracle-a, a 671 od strane vanjskih sudionika, gdje je \u0161esta dio promjena unijela neovisna razvija\u010da, a ostatak predstavnicima kompanija poput IBM, Red Hat, Google, Loongson, Huawei, ARM i SAP.\n<\/ul>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/cdn.app.compendium.com\/uploads\/user\/e7c690e8-6ff9-102a-ac6d-e4aebca50425\/ed5569e8-c0dd-458c-8450-cde6300093bd\/Image\/1e491a99c8e754c42398ff778ecc7940\/screen_shot_2019_09_09_at_2_13_30_pm.png\"><img decoding=\"async\" alt=\"Izdanje Java SE 13\" src=\"\/wp-content\/uploads\/2019\/09\/7ec92c5bf51c0158f4d21fe2004d4ebe.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Izvor: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51509\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u0432\u044b\u043f\u0443\u0441\u0442\u0438\u043b\u0430 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443 Java SE 13 (Java Platform, Standard Edition 13), \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0439 \u043f\u0440\u043e\u0435\u043a\u0442 OpenJDK. \u0412 Java SE 13 \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0430 \u043e\u0431\u0440\u0430\u0442\u043d\u0430\u044f \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441 \u043f\u0440\u043e\u0448\u043b\u044b\u043c\u0438 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u043c\u0438 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Java, \u0432\u0441\u0435 \u0440\u0430\u043d\u0435\u0435 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0435 Java-\u043f\u0440\u043e\u0435\u043a\u0442\u044b \u0431\u0435\u0437 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0431\u0443\u0434\u0443\u0442 \u0440\u0430\u0431\u043e\u0442\u043e\u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b \u043f\u0440\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0435 \u043f\u043e\u0434 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438. \u0413\u043e\u0442\u043e\u0432\u044b\u0435 \u0434\u043b\u044f \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0441\u0431\u043e\u0440\u043a\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":28690,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-38223","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u0432\u044b\u043f\u0443\u0441\u0442\u0438\u043b\u0430 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link 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