{"id":94334,"date":"2020-09-16T01:42:08","date_gmt":"2020-09-15T23:42:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-java-se-15"},"modified":"2020-09-16T01:42:08","modified_gmt":"2020-09-15T23:42:08","slug":"vypusk-java-se-15","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-java-se-15","title":{"rendered":"Java SE 15 kiad\u00e1sa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Hat h\u00f3napnyi fejleszt\u00e9s ut\u00e1n az Oracle c\u00e9g <noindex><a rel=\"nofollow\" href=\"http:\/\/mail.openjdk.java.net\/pipermail\/announce\/2020-September\/000291.html\">kiadta<\/a><\/noindex> platformj\u00e1t <noindex><a rel=\"nofollow\" href=\"https:\/\/www.oracle.com\/java\/technologies\/javase-downloads.html\">Java SE 15<\/a><\/noindex> (Java Platform, Standard Edition 15), amelynek referenciakivitelez\u00e9se az OpenJDK ny\u00edlt forr\u00e1sk\u00f3d\u00fa projekt. A Java SE 15 meg\u0151rzi a visszafel\u00e9 kompatibilit\u00e1st a Java platform kor\u00e1bbi verzi\u00f3ival, \u00edgy a m\u00e1r megl\u00e9v\u0151 Java-projektek v\u00e1ltoztat\u00e1s n\u00e9lk\u00fcl futtathat\u00f3k az \u00faj verzi\u00f3val. A Java SE 15 (JDK, JRE \u00e9s Server JRE) telep\u00edt\u00e9sre k\u00e9sz kiad\u00e1sai <noindex><a rel=\"nofollow\" href=\"http:\/\/jdk.java.net\/15\">kiad\u00e1sok<\/a><\/noindex> el\u00e9rhet\u0151k Linuxra (x86_64), Windowsra \u00e9s macOS-ra. Az OpenJDK projekt keretein bel\u00fcl kifejlesztett referenciaimplement\u00e1ci\u00f3 <noindex><a rel=\"nofollow\" href=\"http:\/\/openjdk.java.net\/projects\/jdk\/15\/\">Java 15<\/a><\/noindex> teljes m\u00e9rt\u00e9kben ny\u00edlt, GPLv2 licenc alatt, GNU ClassPath kiv\u00e9telekkel, amelyek lehet\u0151v\u00e9 teszik a dinamikus k\u00f6t\u00e9st kereskedelmi term\u00e9kekkel. <\/p>\n<p>A Java SE 15 a szok\u00e1sos t\u00e1mogat\u00e1si id\u0151szak\u00fa kiad\u00e1sok k\u00f6z\u00e9 tartozik, a friss\u00edt\u00e9sek a k\u00f6vetkez\u0151 verzi\u00f3ig fognak megjelenni. Hossz\u00fa t\u00e1v\u00fa t\u00e1mogat\u00e1sra (LTS) a Java SE 11-et kell haszn\u00e1lni, amelynek friss\u00edt\u00e9sei 2026-ig fognak megjelenni. A kor\u00e1bbi LTS-kiad\u00e1s, a Java 8, 2020 december\u00e9ig lesz t\u00e1mogatott. A k\u00f6vetkez\u0151 LTS-kiad\u00e1s v\u00e1rhat\u00f3an 2021 szeptember\u00e9ben \u00e9rkezik. Eml\u00e9keztet\u00fcnk r\u00e1, hogy a Java 10 kiad\u00e1ssal a projekt \u00faj fejleszt\u00e9si folyamatra v\u00e1ltott, amely egy r\u00f6videbb \u00faj kiad\u00e1si ciklust jel\u00f6l ki. Az \u00faj funkcionalit\u00e1s egy folyamatosan friss\u00edtett master-\u00e1gban fejl\u0151dik, amely m\u00e1r k\u00e9sz v\u00e1ltoztat\u00e1sokat tartalmaz, \u00e9s amelyb\u0151l hat havonta \u00faj \u00e1gakat el\u00e1gaztatnak a stabil \u00faj kiad\u00e1sokhoz. <\/p>\n<p>A <noindex><a rel=\"nofollow\" href=\"http:\/\/openjdk.java.net\/projects\/jdk\/15\/\">\u00fajdons\u00e1gok<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/jdk.java.net\/14\/release-notes#newfeatures\">Java 15<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.oracle.com\/java\/technologies\/javase\/15all-relnotes.html\">lehet\u0151v\u00e9 teszi<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.oracle.com\/javamagazine\/inside-java-15-fourteen-jeps-in-five-buckets\">a sz\u00e1nd\u00e9kot<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/jeps\/339\">Be\u00e9p\u00edtett<\/a><\/noindex> a digit\u00e1lis al\u00e1\u00edr\u00e1s gener\u00e1l\u00e1s\u00e1nak EdDSA (Edwards-Curve Digit\u00e1lis Al\u00e1\u00edr\u00e1si Algoritmus) t\u00e1mogat\u00e1sa  <noindex><a rel=\"nofollow\" href=\"https:\/\/tools.ietf.org\/html\/rfc8032\">RFC 8032<\/a><\/noindex>). Az EdDSA \u00e1ltal javasolt megval\u00f3s\u00edt\u00e1s nem f\u00fcgg az hardver platformokt\u00f3l, v\u00e9di a k\u00fcls\u0151 csatorn\u00e1kb\u00f3l \u00e9rkez\u0151 t\u00e1mad\u00e1sokt\u00f3l (minden sz\u00e1m\u00edt\u00e1s id\u0151pontja \u00e1lland\u00f3) \u00e9s teljes\u00edtm\u00e9nyben fel\u00fclm\u00falja a megl\u00e9v\u0151 ECDSA megval\u00f3s\u00edt\u00e1st, amely C nyelven k\u00e9sz\u00fclt, azonos v\u00e9delmi szinten. P\u00e9ld\u00e1ul az EdDSA, 126 bites kulcs haszn\u00e1lat\u00e1val elliptikus g\u00f6rb\u00e9vel, hasonl\u00f3 teljes\u00edtm\u00e9nyt mutat az ECDSA-hoz, amely a secp256r1 elliptikus g\u00f6rb\u00e9vel \u00e9s 128 bites kulccsal m\u0171k\u00f6dik.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/jeps\/360\">Hozz\u00e1adva<\/a><\/noindex> k\u00eds\u00e9rleti t\u00e1mogat\u00e1s a lez\u00e1rt (&#171;sealed&#187;) oszt\u00e1lyok \u00e9s interf\u00e9szek sz\u00e1m\u00e1ra, amelyek nem haszn\u00e1lhat\u00f3k m\u00e1s oszt\u00e1lyok \u00e9s interf\u00e9szek \u00e1ltal \u00f6r\u00f6kl\u00e9sre, b\u0151v\u00edt\u00e9sre vagy a megval\u00f3s\u00edt\u00e1s fel\u00fcl\u00edr\u00e1s\u00e1ra. A lez\u00e1rt oszt\u00e1lyok egy deklarat\u00edvabb m\u00f3dot k\u00edn\u00e1lnak a szuperoszt\u00e1ly felhaszn\u00e1l\u00e1s\u00e1nak korl\u00e1toz\u00e1s\u00e1ra, mint a hozz\u00e1f\u00e9r\u00e9si m\u00f3dos\u00edt\u00f3k, amelyek a kib\u0151v\u00edthet\u0151 aloszt\u00e1lyok kifejezett felsorol\u00e1s\u00e1n alapulnak.\n<p>   package com.example.geometry;<\/p>\n<p>   public sealed class Shape<br \/>\n        permits com.example.polar.Circle,<br \/>\n                com.example.quad.Rectangle,<br \/>\n                com.example.quad.simple.Square {&#8230;}<\/p>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/jeps\/371\">Hozz\u00e1adva<\/a><\/noindex> t\u00e1mogat\u00e1s rejtett oszt\u00e1lyokhoz, amelyeket nem lehet k\u00f6zvetlen\u00fcl bytek\u00f3d \u00e1ltal m\u00e1s oszt\u00e1lyok haszn\u00e1lni. A rejtett oszt\u00e1lyok kulcsfontoss\u00e1g\u00fa c\u00e9lja, hogy keretrendszerekben haszn\u00e1lj\u00e1k \u0151ket, amelyek dinamikusan gener\u00e1lnak oszt\u00e1lyokat fut\u00e1sid\u0151ben, \u00e9s k\u00f6zvetve haszn\u00e1lj\u00e1k \u0151ket, a <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9E%D1%82%D1%80%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5_(%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5)\">reflekt\u00e1l\u00e1s<\/a><\/noindex>. Az ilyen oszt\u00e1lyok \u00e1ltal\u00e1ban korl\u00e1tozott \u00e9lettartammal rendelkeznek, ez\u00e9rt a statikusan gener\u00e1lt oszt\u00e1lyokb\u00f3l val\u00f3 hozz\u00e1f\u00e9r\u00e9s\u00fck fenntart\u00e1sa nem indokolt, \u00e9s csak a mem\u00f3riafogyaszt\u00e1s n\u00f6veked\u00e9s\u00e9hez vezet. A rejtett oszt\u00e1lyok lehet\u0151v\u00e9 teszik a sun.misc.Unsafe::defineAnonymousClass nem szabv\u00e1nyos API elker\u00fcl\u00e9s\u00e9t is, amelyet a j\u00f6v\u0151ben el fognak t\u00e1vol\u00edtani.\n<li class=\"l\"> Stabiliz\u00e1lva lett \u00e9s k\u00e9szen \u00e1ll a sz\u00e9lesk\u00f6r\u0171 haszn\u00e1latra a ZGC (Z Garbage Collector) szem\u00e9ttiszt\u00edt\u00f3. A ZGC passz\u00edv m\u00f3don m\u0171k\u00f6dik, amennyire csak lehets\u00e9ges, minimaliz\u00e1lva a szem\u00e9tgy\u0171jt\u00e9s miatti k\u00e9sleltet\u00e9seket (a ZGC haszn\u00e1latakor a le\u00e1ll\u00e1si id\u0151 nem haladja meg a 10 ms-ot), \u00e9s k\u00e9pes dolgozni kis \u00e9s hatalmas kupacokkal is, amelyek m\u00e9rete t\u00f6bb sz\u00e1z megab\u00e1jtt\u00f3l t\u00f6bb terab\u00e1jtig terjed.\n<li class=\"l\"> Stabiliz\u00e1lva lett \u00e9s k\u00e9szen \u00e1ll a sz\u00e9lesk\u00f6r\u0171 haszn\u00e1latra<br \/>\n szem\u00e9ttiszt\u00edt\u00f3 <noindex><a rel=\"nofollow\" href=\"http:\/\/openjdk.java.net\/projects\/shenandoah\/\">Shenandoah<\/a><\/noindex>, amely minim\u00e1lis le\u00e1ll\u00e1sokkal m\u0171k\u00f6dik (Low-Pause-Time Garbage Collector). A Shenandoah-t a Red Hat fejlesztette ki, \u00e9s jellemzi az a algoritmus, amely cs\u00f6kkenti a szem\u00e9tgy\u0171jt\u00e9s k\u00f6zben fell\u00e9p\u0151 le\u00e1ll\u00e1sok idej\u00e9t, az\u00e1ltal, hogy p\u00e1rhuzamosan v\u00e9gez takar\u00edt\u00e1st a Java alkalmaz\u00e1sok futtat\u00e1s\u00e1val. A szem\u00e9ttiszt\u00edt\u00f3 \u00e1ltal okozott k\u00e9sleltet\u00e9sek el\u0151rel\u00e1that\u00f3ak \u00e9s nem f\u00fcggenek a kupac m\u00e9ret\u00e9t\u0151l, azaz ha a kupac 200 MB vagy 200 GB, a k\u00e9sleltet\u00e9s azonos lesz (<noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.openjdk.java.net\/display\/shenandoah\/Main\">nem l\u00e9pi<\/a><\/noindex> t\u00fal a 50 ms-ot \u00e9s \u00e1ltal\u00e1ban 10 ms-on bel\u00fcl van);<\/p>\n<li class=\"l\"> Stabiliz\u00e1lva lett \u00e9s beleker\u00fclt a nyelvbe a t\u00e1mogat\u00e1s <noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/jeps\/378\">sz\u00f6veges blokkokhoz<\/a><\/noindex> &#8212; \u00faj form\u00e1j\u00fa sz\u00f6vegliter\u00e1lok, amelyek lehet\u0151v\u00e9 teszik t\u00f6bbsoros sz\u00f6veges adatok beilleszt\u00e9s\u00e9t a forr\u00e1sk\u00f3dba karakterek escapingj\u00e9nek alkalmaz\u00e1sa n\u00e9lk\u00fcl, meg\u0151rizve a sz\u00f6veg eredeti form\u00e1z\u00e1s\u00e1t a blokkban. A blokk keretez\u00e9se h\u00e1rom dupla id\u00e9z\u0151jel haszn\u00e1lat\u00e1val t\u00f6rt\u00e9nik.\n<p>P\u00e9ld\u00e1ul a k\u00f6vetkez\u0151 k\u00f3d helyett<\/p>\n<p>   String html = &#171;&lt;HTML&gt;&#187; +<br \/>\n   &#171;&#092;n&#092;t&#187; + &#171;&lt;BODY&gt;&#187; +<br \/>\n   &#171;&#092;n&#092;t&#092;t&#187; + &#171;&lt;H1&gt;&#092;&#187;A Java 15 meg\u00e9rkezett!&#092;&#187;&lt;\\\/H1&gt;&#187; +<br \/>\n   &#171;&#092;n&#092;t&#187; + &#171;&lt;\\\/BODY&gt;&#187; +<br \/>\n   &#171;&#092;n&#187; + &#171;&lt;\\\/HTML&gt;&#187;;<\/p>\n<p>lehet megadni:<\/p>\n<p>   String html = &#171;&#187;&#187;<br \/>\n   &lt;HTML&gt;<br \/>\n     &lt;BODY&gt;<br \/>\n       &lt;H1&gt;&#187;Java 15&#092;<br \/>\n itt van!&#187;&lt;\\\/H1&gt;<br \/>\n     &lt;\\\/BODY&gt;<br \/>\n   &lt;\\\/HTML&gt;&#187;&#187;&#187;;<\/p>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/jeps\/373\">\u00c1tdolgoz\u00e1sra ker\u00fclt<\/a><\/noindex> API Legacy DatagramSocket. A r\u00e9gi java.net.DatagramSocket \u00e9s java.net.MulticastSocket implement\u00e1ci\u00f3kat modern, k\u00f6nnyebben hibakereshet\u0151 \u00e9s karbantarthat\u00f3 megold\u00e1ssal helyettes\u00edtett\u00e9k, amely kompatibilis a Loom projekt keret\u00e9ben fejlesztett virtu\u00e1lis sz\u00e1lakkal. <noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/projects\/loom\">Loom<\/a><\/noindex>. A megl\u00e9v\u0151 k\u00f3dokkal val\u00f3 esetleges kompatibilit\u00e1si probl\u00e9m\u00e1k elker\u00fcl\u00e9se \u00e9rdek\u00e9ben a r\u00e9gi megval\u00f3s\u00edt\u00e1s nem ker\u00fclt elt\u00e1vol\u00edt\u00e1sra, \u00e9s aktiv\u00e1lhat\u00f3 a jdk.net.usePlainDatagramSocketImpl opci\u00f3val.\n<li class=\"l\"> Javasolt\u00e1k a m\u00e1sodik k\u00eds\u00e9rleti megval\u00f3s\u00edt\u00e1st <noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/jeps\/375\">mint\u00e1zathoz val\u00f3 illeszt\u00e9s<\/a><\/noindex> az &#171;instanceof&#187; oper\u00e1torra, amely lehet\u0151v\u00e9 teszi a lok\u00e1lis v\u00e1ltoz\u00f3 azonnali meghat\u00e1roz\u00e1s\u00e1t a megvizsg\u00e1lt \u00e9rt\u00e9khez val\u00f3 hozz\u00e1f\u00e9r\u00e9shez. P\u00e9ld\u00e1ul az al\u00e1bbiak szerint \u00edrhatjuk: &#171;if (obj instanceof String s &#038;&#038; s.length() &gt; 5) {.. s.contains(..) ..}&#187; kifejezett meghat\u00e1roz\u00e1sa n\u00e9lk\u00fcl: &#171;String s = (String) obj&#187;.\n<p>R\u00e9gebben:<\/p>\n<p>   if (obj instanceof Group) {<br \/>\n     Group group = (Group) obj;<br \/>\n     var entries = group.getEntries();<br \/>\n   }<\/p>\n<p>Most m\u00e1r el lehet ker\u00fclni a &#171;Group group = (Group) obj&#187; meghat\u00e1roz\u00e1s\u00e1t:<\/p>\n<p>   if (obj instanceof Group group) {<br \/>\n     var entries = group.getEntries();<br \/>\n   }<\/p>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/jeps\/384\">Javasolt<\/a><\/noindex> m\u00e1sodik k\u00eds\u00e9rleti megval\u00f3s\u00edt\u00e1sa a &#171; kulcssz\u00f3nak<noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/jeps\/359\">record\" kulcssz\u00f3hoz<\/a><\/noindex>&#171;, t\u00f6m\u00f6r form\u00e1t biztos\u00edt a oszt\u00e1lyok meghat\u00e1roz\u00e1s\u00e1hoz, lehet\u0151v\u00e9 t\u00e9ve a k\u00fcl\u00f6nf\u00e9le alacsony szint\u0171 met\u00f3dusok, p\u00e9ld\u00e1ul az equals(), hashCode() \u00e9s toString() kifejezett meghat\u00e1roz\u00e1s\u00e1nak elker\u00fcl\u00e9s\u00e9t, amikor az adatok csak a mez\u0151kben ker\u00fclnek t\u00e1rol\u00e1sra, \u00e9s a m\u0171veletek viselked\u00e9se nem v\u00e1ltozik. Amikor egy oszt\u00e1lyban az equals(), hashCode() \u00e9s toString() met\u00f3dusok alap\u00e9rtelmezett megval\u00f3s\u00edt\u00e1sait haszn\u00e1lj\u00e1k, akkor ezek kifejezett meghat\u00e1roz\u00e1sa elker\u00fclhet\u0151:\n<p>   public record BankTransaction(LocalDate date,<br \/>\n                              double amount,<br \/>\n                              String description) {}<\/p>\n<p>Ez a hirdet\u00e9s automatikus m\u00f3don hozz\u00e1adja az equals(), hashCode() \u00e9s toString() met\u00f3dusok megval\u00f3s\u00edt\u00e1s\u00e1t a konstruktorhoz \u00e9s az adatm\u00f3dos\u00edt\u00e1st vez\u00e9rl\u0151 met\u00f3dusokhoz (getter).<\/p>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/jeps\/383\">Aj\u00e1nlott<\/a><\/noindex> a m\u00e1sodik el\u0151zetes v\u00e1ltozata az API Foreign-Memory Access, amely lehet\u0151v\u00e9 teszi a Java-alkalmaz\u00e1sok sz\u00e1m\u00e1ra, hogy biztons\u00e1gosan \u00e9s hat\u00e9konyan hozz\u00e1f\u00e9rjenek a Java halon k\u00edv\u00fcli mem\u00f3ria ter\u00fcletekhez, \u00faj MemorySegment, MemoryAddress \u00e9s MemoryLayout absztrakci\u00f3k kezel\u00e9s\u00e9vel.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/jeps\/374\">Kikapcsolva<\/a><\/noindex> \u00e9s elavultnak nyilv\u00e1n\u00edtott\u00e1k azt az Biased Locking optimaliz\u00e1l\u00e1si technik\u00e1t, amelyet a HotSpot JVM haszn\u00e1lt a z\u00e1rol\u00e1sok k\u00f6lts\u00e9geinek cs\u00f6kkent\u00e9s\u00e9re. Ez a technika elvesztette relevanci\u00e1j\u00e1t az atomikus utas\u00edt\u00e1sokkal rendelkez\u0151 modern CPU-ken, \u00e9s t\u00fal munkaig\u00e9nyes a fenntart\u00e1s\u00e1hoz a bonyolults\u00e1ga miatt.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/jeps\/385\">Kihirdett\u00e9k<\/a><\/noindex> elavult mechanizmusk\u00e9nt <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/en\/java\/javase\/14\/docs\/specs\/rmi\/activation.html\">RMI Activation<\/a><\/noindex>, amelyet a k\u00f6vetkez\u0151 kiad\u00e1sok egyik\u00e9ben elt\u00e1vol\u00edtanak. Megjegyzik, hogy a RMI Activation elavult, m\u00e1r a Java 8-ban opci\u00f3v\u00e1 v\u00e1lt, \u00e9s a modern gyakorlatban szinte nem haszn\u00e1lj\u00e1k.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/jeps\/372\">T\u00f6r\u00f6lve<\/a><\/noindex>  JavaScript-motor <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=35427\">Nashorn<\/a><\/noindex>, amelyet a Java SE 11-ben elavultnak nyilv\u00e1n\u00edtottak.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/openjdk.java.net\/jeps\/381\">Elt\u00e1vol\u00edtva<\/a><\/noindex> Solaris oper\u00e1ci\u00f3s rendszerhez \u00e9s SPARC processzorokhoz k\u00e9sz\u00fclt portok (Solaris\/SPARC, Solaris\/x64 \u00e9s Linux\/SPARC). Az eml\u00edtett portok elt\u00e1vol\u00edt\u00e1sa lehet\u0151v\u00e9 teszi a k\u00f6z\u00f6ss\u00e9g sz\u00e1m\u00e1ra, hogy felgyors\u00edtsa az OpenJDK \u00faj lehet\u0151s\u00e9geinek fejleszt\u00e9s\u00e9t an\u00e9lk\u00fcl, hogy id\u0151t pazarolna a Solaris \u00e9s SPARC specifikus jellemz\u0151inek fenntart\u00e1s\u00e1ra.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53717\">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 15 (Java Platform, Standard Edition 15), \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 15 \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":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-94334","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com 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