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甲骨文發布Java 14

wenzhanglaiyuan: gengxinshijian:2020/3/19 16:56:51

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Oracle JDK 14代表了超過兩年的按時六個月功能發布,為開發人員帶來了創新和可預測性

Oracle JDK 14添加了新功能以提高開發人員的生產力,包括對開關表達式的Java語言支持,用于連續監視JDK Flight Recorder數據的新API,以及低延遲Z垃圾收集器對macOS和Windows的可用性。

电子游戏网站cixinbanbenbaokuosangeyulangongneng:instanceofdemoshipipei(jep 305),jilu(jep 359)hewenbenkuai(jep 368)

oracleganggangxuanbujava 14(oracle jdk 14)dequanmianshangshi。java 14tongguomeiliugeyuefabuyicixingongneng,weiqiyehekaifarenyuanshequtigongxindezengqianggongneng,jixuleoraclejiakuaichuangxindechengnuo。zuixindejavakaifagongjubao(jdk)tigonglexingongneng,qizhongbaokuoliangxiangbeishouqidaidexinyulangongneng–shilipipeidemoshipipei(jep 305)hejilu(jep 359),yijiwenbenkuaidediergeyulan(jep 368)。ciwai,zuixindejavabanbenzengjialeduikaiguanbiaodashidejavayuyanzhichi,gongkaileyongyuchixujiankongjdk flight recordershujudexinapi,jiangdiyanchizlajishoujiqidekeyongxingkuozhandaolemacoshewindows,bingzaifuhuaqimokuaizhongtianjialebaozhuangwanbeidejavayingyongchengxuhexindewaibuneicunfangwenapi,yianquan,gaoxiaodifangwenjavaduiwaibudeneicun。

jiaguwengongsijavapingtaikaifafuzongcaigeorges saabbiaoshi:“ java 14jinyibuyanzhengleliugeyuefabujiezoudehaochu,shikaifarenyuankeyishiyongyuanbenxuyaodengdaishuniancainenghuodedegongneng。” “ jdk 14bujinjuyouxuduozengqianggongneng,keyitigaokaifarenyuandegongzuoxiaolv,erqiewomenhuankandaolaizibanamaxiangmudengxiangmudediyipizhuyaoneirongjuyouwaibucunchuqifangwenapizengqianggongneng(jep 370),bingqiejiangjixutongguomoshipipei(jep 305)hejilu(jep 359)duiamberxiangmujinxinglegaijin。zhexiezhongdagaijinzhengminglezhexietupoxingxiangmuzhongsuoyoujiankudegongzuo。”

java 14faxingbanshizhenggexingyekaifadejieguo,shejikaifangshencha,meizhougoujianyijioraclegongchengshiyuquanqiujavakaifarenyuanshequchengyuanzhijiantongguoopenjdkshequhejavashequliuchengjinxingdeguangfanxiezuo。

Java 14中提供的新功能包括:

电子游戏网站jep 305:instanceof(yulan)demoshipipei –ciyulangongnengtongguoweiinstanceofyunsuanfujinxingmoshipipeilaizengqiangjava。tongguoxiaochuduitongyongyangbandaimadexuqiu,tigaolekaifarenyuandeshengchanlv,bingyunxushiyonggengjianjiedeleixinganquandaima。

jep 343:dabaogongju(fuhuaqi)–weikaifarenyuantigongleyizhongdabaojavayingyongchengxudefangshi,yibianyipingtaitedingdegeshijinxingfenfa。zheyouzhuyukaifarenyuanshiyongxiandaiyingyongchengxu,qizhongyueshuyaoqiuyunxingshiheyingyongchengxukunbangzaiyigejiaofuwuzhong。zaifuhuaqimokuaizhongyinrulecigongju,zheshiyizhongjiangfeizuizhongdeapihefeizuizhonggongjujiaogeikaifarenyuandefangshi,yihuoqutamendefankui,erapi /gongjuzechaozhuzuizhongbanbenhuozaijianglaidefaxingbanzhongqianyi。

电子游戏网站jep 345:zhenduig1denumaganzhineicunfenpei –gaijinlefeijunyunneicunfangwen(numa)xitongshangg1lajishoujiqidezhengtixingneng。

jep 349:jfrshijianliu –gongkaijdkfeixingjiluqi(jfr)shujuyijinxinglianxujianshi。zhejiangjianhuaduigezhonggongjuheyingyongchengxudejfrshujudefangwen,bingcijijinyibudechuangxin。

电子游戏网站jep 352:feiyishixingyingshezijiehuanchongqu –shiyongfeiyishixingcunchuqishi,weijdktianjiawenjianyingshemoshi。feiyishixingcunchuqidechijiuxinggaibianlegezhongchijiuxinghexingnengjiashe,zhexiejiashekeyiliyongcigongnenglailiyong。

电子游戏网站jep 358:youyongdenullpointerexceptions –tongguojingquemiaoshunagebianliangweinullheqitayouyongdexinxi,tigaolenullpointerexceptionsdekeyongxing。zhejiangtigaokaifarenyuandeshengchanlv,binggaishanxuduokaifahediaoshigongjudezhiliang。

jep 359:jilu(yulan)–ciyulangongnengtigongleyizhongjincoudeyufa,yongyushengmingbaocunqiancengbubianshujudelei。cigongnengkeyidadajianshaocileizhongdeyangbandaima,danshizuidadehaochushikeyijiangshujujianmoweishuju。shengmingzhexieqianbubiandebiaochengshujujuheyinggaihenrongyi,qingchuhejianjie。

电子游戏网站jep 361:kaiguanbiaodashi(biaozhun)–zheshijdk 12hejdk 13zhongdeyulangongneng,xianzaiyizuoweibiaozhungongnengtianjia。tayunxujiangswitchyongzuoyujuhuobiaodashi。cigongnengjianhualerichangbianma,bingweicibanbenzhongyulandemoshipipei(jep 305)gongnengzuohaolezhunbei。

jep 364:macosshangdezgchejep 365:windowsshangdezgc –jinguandaduoshuxuyaozgcdeyonghuyexuyaojiyulinuxdehuanjingdekeshensuoxing,danjingchangxuyaojinxingbushuheceshiyizaimacoshewindowsshangzhichizgc。yeyouyixiezhenduiwindowshemacosdezhuomianyingyongchengxujiangcongzgczhongshouyi。

368:wenbenkuai(dieryulan)–dangjava 13shoucijiangwenbenkuaizuoweiyulangongnengyinrushi,shoudaozuizhongyonghufankuihou,zaijava 14zhongtianjialezengqianggongneng,bingqiewenbenkuaizaicizuoweiyulangongnengtigong,mubiaoshizaijianglaidejdkbanbenzhongchengweibiaozhun。wenbenkuaishibiaodakuayuejixingyuandaimadezifuchuanbianderongyi。tatigaolejavachengxuzhongbiaoshifeijavayuyanbianxiededaimadezifuchuandekeduxing;tatongguoguidingrenhexingouzaodoukeyibiaoshiyuzifuchuanwenzixiangtongdezifuchuanji,jieshixiangtongdezhuanyixuliebingyiyuzifuchuanwenzixiangtongdefangshijinxingcaozuo,laizhichicongzifuchuanwenzideqianyi。

370:waibucunchuqifangwen api(fuhuaqi)–yizhongapi,yunxujavachengxuanquanyouxiaodifangwenjavaduiwaibudewaibucunchuqi。

duiyuxunqiushangyezhichideyonghuheqiye,oraclehuantigongleoracle java sedingyue,zheshiyizhongdichengbenqiekeyucedezhichijiejuefangan。muqian,quanqiushuyiqianjidedaxinghexiaoxingzuzhizhengzaishiyongcichanpin,zhexiezuzhihuodejava sexukezhenghequanmianzhichi,kemanzutamensuoxudexitongdexuqiu,bingqiejinzaixuyaoshishiyong。zhexiekehujiangcongzhijiecongoraclehuodezhichidefaxingbandelinghuoxinghedingqifangwenjingguoceshiherenzhengdexingneng,wendingxingheanquanxinggengxinzhongshouyi。

javarengranshiruanjiankaifarenyuanshouxuandediyibianchengyuyan。erqie,suizhujava 14deanshijiaofuchuangxin,tongguozhoumidejihuaheshengtaixitongdecanyu,javapingtaijixuweixiandaiyingyongchengxukaifatigongdongli。

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