{"id":3148,"date":"2019-07-05T14:58:14","date_gmt":"2019-07-05T06:58:14","guid":{"rendered":"https:\/\/www.webteach.tw\/?p=3148"},"modified":"2019-07-05T14:58:14","modified_gmt":"2019-07-05T06:58:14","slug":"java-how-to-install-java-in-ubuntu-18-04-lts-%e5%a6%82%e4%bd%95%e5%9c%a8-ubuntu-18-04-lts-%e5%ae%89%e8%a3%9d-java","status":"publish","type":"post","link":"https:\/\/www.webteach.tw\/?p=3148","title":{"rendered":"[ JAVA ] &#8211; How to install Java in Ubuntu 18.04 lts  \u5982\u4f55\u5728 Ubuntu 18.04 lts  \u5b89\u88dd Java"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u6015\u4e0b\u6b21\u5efa\u7f6eJAVA\u74b0\u5883\u5fd8\u8a18\u6b65\u9a5f\u9084\u662f\u5beb\u4e00\u4e0b\u7b46\u8a18\u597d\u4e86\uff0c\u9806\u4fbf\u5e6b\u52a9\u8ddf\u6211\u4e00\u6a23\u7684\u521d\u5b78\u8005\u5c0d\u4e86\uff0c\u56e0\u70ba\u672c\u8eab\u5de5\u4f5c\u74b0\u5883\u5c31\u662fUbuntu\u6240\u4ee5\u7528windows\u7684\u53ef\u4ee5\u6309\u4e0a\u4e00\u9801\u96e2\u958b\u4e86\uff0c\u9019\u7bc7\u6559\u5b78\u4e0d\u592a\u9069\u5408\u4f60\uff1b\u8acb\u8df3\u5230\u7a0b\u5f0f\u6559\u5b78\u7684\u90e8\u4efd\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">1.\u5148\u78ba\u8a8d\u96fb\u8166\u662f\u5426\u5df2\u5b89\u88dd\u4efb\u4f55\u7248\u672c\u7684 Java<br \/>\n\u6307\u4ee4\uff1ajava -version <br \/>\n\u6307\u4ee4\u8aaa\u660e\uff1a\u986f\u793a\u76ee\u524djava\u7248\u672c<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6c92\u6709\u6848\u88dd\u6703\u51fa\u73fe\u4ee5\u4e0b\u8a0a\u606f<\/p>\n\n\n<p class=\"wp-block-paragraph\">Command &#8216;java&#8217; not found, but can be installed with:<\/p>\n\n\n<p class=\"wp-block-paragraph\">apt install default-jre            <br \/>\napt install openjdk-11-jre-headless<br \/>\napt install openjdk-8-jre-headless <\/p>\n\n\n<p class=\"wp-block-paragraph\">\u662f\u4e0d\u662f\u5f88\u8cbc\u5fc3\u63d0\u9192\u4f60\u53ef\u4ee5\u5b89\u88dd\u90a3\u4e9b\u7248\u672c\u2026\u9019\u5c31\u662f\u6211\u559c\u6b61Ubuntu\u7684\u5730\u65b9<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u9019\u908a\u6211\u5011\u6848\u88dd openjdk-8-jre-headless \u56e0\u70ba\u7db2\u8def\u4e0a\u7684\u8cc7\u6599\u4e5f\u662f\u4ee5 java 8 se\u70ba\u591a<\/p>\n\n\n<p class=\"wp-block-paragraph\">2.\u5b89\u88dd Java JRE<br \/>\n\u6307\u4ee4\uff1aapt install openjdk-8-jre-headless<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u518d\u8f38\u5165\u4e00\u6b21 java -version \u78ba\u8a8d\u5b89\u88dd\u662f\u5426\u6b63\u78ba\uff0c\u9019\u908a\u5982\u679c\u4f60\u53ea\u662f\u8981\u57f7\u884cJava\u61c9\u7528\u7a0b\u5f0f\uff0c\u5c31\u4e0d\u7528\u518d\u5b89\u88dd java JDK\u4e86\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u770b\u5230\u76ee\u524d\u5b89\u88dd\u7684java \u7248\u672c \u70ba 1.8.0_212<\/p>\n\n\n<p class=\"wp-block-paragraph\">3.\u5b89\u88dd Java JDK<br \/>\n\u5148\u78ba\u8a8d\u96fb\u8166\u662f\u5426\u5df2\u5b89\u88dd\u4efb\u4f55\u7248\u672c\u7684 JDK<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u6307\u4ee4\uff1ajavac -version<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6c92\u6709\u6848\u88dd\u6703\u51fa\u73fe\u4ee5\u4e0b\u8a0a\u606f<br \/>\nCommand &#8216;javac&#8217; not found, but can be installed with:<\/p>\n\n\n<p class=\"wp-block-paragraph\">apt install default-jdk            <br \/>\napt install openjdk-11-jdk-headless<br \/>\napt install ecj                    <br \/>\napt install openjdk-8-jdk-headless <\/p>\n\n\n<p class=\"wp-block-paragraph\">\u9019\u908a\u4e00\u6a23\u5b89\u88dd openjdk-8-jdk \u9019\u500b\u7248\u672c<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u6309\u88dd\u5b8c\u5f8c \u4e00\u6a23\u78ba\u8a8d\u4e00\u4e0b\u5b89\u88dd\u7684\u7248\u672c<\/p>\n\n\n<p class=\"wp-block-paragraph\">\u6307\u4ee4\uff1ajavac -version<br \/> javac 1.8.0_212<\/p>\n\n\n<figure class=\"wp-block-image is-resized\"><a href=\"https:\/\/www.books.com.tw\/exep\/assp.php\/jeffyu520\/products\/0010640845?utm_source=jeffyu520&amp;utm_medium=ap-books&amp;utm_content=recommend&amp;utm_campaign=ap-201908\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.webteach.tw\/wp-content\/uploads\/2019\/08\/Selection_023.png\" alt=\"\" class=\"wp-image-3206\" width=\"193\" height=\"250\" srcset=\"https:\/\/www.webteach.tw\/wp-content\/uploads\/2019\/08\/Selection_023.png 333w, https:\/\/www.webteach.tw\/wp-content\/uploads\/2019\/08\/Selection_023-232x300.png 232w\" sizes=\"auto, (max-width: 193px) 100vw, 193px\" \/><\/a><figcaption>\u5c0f\u7de8\u5b78 java \u7684\u6642\u5019\u8cb7\u4e86\u9019\u672c\u66f8\u4f86\u53c3\u8003\uff0c\u63a8\u85a6\u7d66\u60f3\u5b78\u7fd2java\u7684\u4eba\u3002<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u6015\u4e0b\u6b21\u5efa\u7f6eJAVA\u74b0\u5883\u5fd8\u8a18\u6b65\u9a5f\u9084\u662f\u5beb\u4e00\u4e0b\u7b46\u8a18\u597d\u4e86\uff0c\u9806\u4fbf\u5e6b\u52a9\u8ddf\u6211\u4e00\u6a23\u7684\u521d\u5b78\u8005\u5c0d\u4e86\uff0c\u56e0\u70ba\u672c\u8eab\u5de5\u4f5c\u74b0\u5883\u5c31\u662fUbuntu\u6240\u4ee5\u7528windows\u7684\u53ef\u4ee5\u6309\u4e0a\u4e00\u9801\u96e2\u958b\u4e86\uff0c\u9019\u7bc7\u6559\u5b78\u4e0d\u592a\u9069\u5408\u4f60\uff1b\u8acb\u8df3\u5230\u7a0b\u5f0f\u6559\u5b78\u7684\u90e8\u4efd\u3002\t\t<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,32,41],"tags":[324,339,577],"class_list":["post-3148","post","type-post","status-publish","format-standard","hentry","category-java","category-linux","category-ubuntu","tag-install-java","tag-java","tag-ubuntu-18-04"],"_links":{"self":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3148","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3148"}],"version-history":[{"count":0,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3148\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}