{"id":3417,"date":"2018-05-12T09:53:53","date_gmt":"2018-05-12T01:53:53","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=3417"},"modified":"2018-05-12T09:53:53","modified_gmt":"2018-05-12T01:53:53","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8ubuntu-18-04%e4%b8%8a%e5%ae%89%e8%a3%85java","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/hemanual\/%e5%a6%82%e4%bd%95%e5%9c%a8ubuntu-18-04%e4%b8%8a%e5%ae%89%e8%a3%85java\/","title":{"rendered":"\u5982\u4f55\u5728Ubuntu 18.04\u4e0a\u5b89\u88c5Java"},"content":{"rendered":"<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5728<a href=\"https:\/\/www.linuxidc.com\/topicnews.aspx?tid=2\">Ubuntu<\/a> 18.04\u4e0a\u5b89\u88c5\u548c\u7ba1\u7406Java\u3002 Java\u662f\u7528\u4e8e\u6784\u5efa\u4e0d\u540c\u7c7b\u578b\u7684\u5e94\u7528\u7a0b\u5e8f\u548c\u7cfb\u7edf\u7684\u6700\u6d41\u884c\u7684\u7f16\u7a0b\u8bed\u8a00\u4e4b\u4e00\u3002<\/p>\n<p>Java\uff0cOpenJDK\u548c<a href=\"https:\/\/www.linuxidc.com\/topicnews.aspx?tid=12\">Oracle<\/a> Java\u6709\u4e24\u4e2a\u4e3b\u8981\u7684\u5b9e\u73b0\uff0c\u51e0\u4e4e\u6ca1\u6709\u533a\u522b\uff0c\u53ea\u662fOracle Java\u6709\u4e00\u4e9b\u989d\u5916\u7684\u5546\u4e1a\u529f\u80fd\u3002<\/p>\n<p><strong>\u5b89\u88c5OpenJDK<\/strong><\/p>\n<p>OpenJDK 10\uff0cJava\u5e73\u53f0\u7684\u5f00\u6e90\u5b9e\u73b0\u662fUbuntu 18.04\u4e2d\u7684\u9ed8\u8ba4Java\u5f00\u53d1\u548c\u8fd0\u884c\u65f6\u3002 \u4e00\u65e6OpenJDK 11\u8fbe\u5230GA\uff0c\u5b83\u5c06\u6210\u4e3aUbuntu 18.04\u7684\u9ed8\u8ba4\u7248\u672c\u3002<\/p>\n<p>\u5b89\u88c5OpenJDK\u975e\u5e38\u7b80\u5355\u76f4\u63a5\u3002<\/p>\n<p><strong>\u5b89\u88c5OpenJDK 10 JDK<\/strong><\/p>\n<p>$sudo apt install default-jdk<\/p>\n<p><strong>\u5b89\u88c5OpenJDK 8 JDK<\/strong><\/p>\n<p>$sudo apt install openjdk-8-jdk<\/p>\n<p><strong>\u5b89\u88c5Oracle Java<\/strong><\/p>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u5b8c\u6210\u4eceWebUpd8\u5b58\u50a8\u5e93\u5b89\u88c5Oracle Java\u7684\u6b65\u9aa4\u3002 WebUpd8\u8f6f\u4ef6\u5305\u4f1a\u81ea\u52a8\u4e3a\u6211\u4eec\u4e0b\u8f7d\u5e76\u5b89\u88c5Oracle JDK\u3002<\/p>\n<p>\u4e3a\u4e86\u80fd\u591f\u4f7f\u7528add-apt-repository\u547d\u4ee4\u6dfb\u52a0\u65b0\u7684\u5b58\u50a8\u5e93\uff0c\u9996\u5148\u6211\u4eec\u9700\u8981\u5b89\u88c5software-properties-common\u8f6f\u4ef6\u5305\u3002<\/p>\n<p>$sudo apt install software-properties-common dirmngr<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u6dfb\u52a0WebUpd8\u5b58\u50a8\u5e93\u5e76\u5b89\u88c5Oracle Java\uff1a<\/p>\n<p>$sudo add-apt-repository ppa:webupd8team\/java<br \/>\n$sudo apt update<\/p>\n<p><strong>\u5b89\u88c5Oracle Java 8<\/strong><\/p>\n<p>$apt-get install oracle-java8-installer<\/p>\n<p>\u5b89\u88c5\u7a0b\u5e8f\u4f1a\u8981\u6c42\u60a8\u63a5\u53d7Oracle\u8bb8\u53ef\u6761\u6b3e\u3002 \u8981\u5b89\u88c5\u8f6f\u4ef6\u5305\uff0c\u60a8\u9700\u8981\u63a5\u53d7\u8fd9\u4e9b\u6761\u4ef6\u3002<\/p>\n<p><strong>\u8bbe\u7f6e\u9ed8\u8ba4\u7248\u672c<\/strong><\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u68c0\u67e5\u6211\u4eec\u7684\u9ed8\u8ba4Java\u7248\u672c\uff1a<\/p>\n<p>$java -version<\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<p>openjdk version &#8220;10.0.1&#8221; 2018-04-17<br \/>\nOpenJDK Runtime Environment (build 10.0.1+10-Ubuntu-3ubuntu1)<br \/>\nOpenJDK 64-Bit Server VM (build 10.0.1+10-Ubuntu-3ubuntu1, mixed mode)<\/p>\n<p>\u5982\u679c\u6211\u4eec\u5728\u670d\u52a1\u5668\u4e0a\u5b89\u88c5\u4e86\u591a\u4e2aJava\u7248\u672c\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528update-alternatives\u7cfb\u7edf\u66f4\u6539\u9ed8\u8ba4\u7248\u672c\uff1a<\/p>\n<p>$sudo update-alternatives &#8211;config java<\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<p>linuxidc@linuxidc:~$ sudo update-alternatives &#8211;config java<br \/>\n[sudo] linuxidc \u7684\u5bc6\u7801\uff1a<br \/>\n\u6709 3 \u4e2a\u5019\u9009\u9879\u53ef\u7528\u4e8e\u66ff\u6362 java (\u63d0\u4f9b \/usr\/bin\/java)\u3002<\/p>\n<p>\u9009\u62e9\u00a0 \u00a0 \u00a0 \u8def\u5f84\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u4f18\u5148\u7ea7\u00a0 \u72b6\u6001<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n* 0\u00a0 \/usr\/lib\/jvm\/java-11-openjdk-amd64\/bin\/java\u00a0 1101\u00a0\u81ea\u52a8\u6a21\u5f0f<br \/>\n1\u00a0 \/usr\/lib\/jvm\/java-11-openjdk-amd64\/bin\/java\u00a0 1101\u00a0\u624b\u52a8\u6a21\u5f0f<br \/>\n2\u00a0 \/usr\/lib\/jvm\/java-8-openjdk-amd64\/jre\/bin\/java 1081\u00a0\u624b\u52a8\u6a21\u5f0f<br \/>\n3\u00a0 \/usr\/lib\/jvm\/java-9-openjdk-amd64\/bin\/java\u00a0 \u00a01091\u00a0\u624b\u52a8\u6a21\u5f0f<\/p>\n<p>\u8981\u7ef4\u6301\u5f53\u524d\u503c[*]\u8bf7\u6309&lt;\u56de\u8f66\u952e&gt;\uff0c\u6216\u8005\u952e\u5165\u9009\u62e9\u7684\u7f16\u53f7\uff1a<\/p>\n<p>\u5728\u51fa\u73b0\u63d0\u793a\u65f6\u8f93\u5165\u53f7\u7801\u5e76\u6309Enter\u952e\u3002<\/p>\n<p>\u5982\u679c\u60a8\u4e0d\u77e5\u9053\u8981\u4f7f\u7528\u54ea\u4e2aJava\u5b9e\u73b0\uff0c\u5219\u4e00\u822c\u5efa\u8bae\u662f\u4f7f\u7528Ubuntu 18.04\u4e0a\u63d0\u4f9b\u7684\u9ed8\u8ba4OpenJDK\u7248\u672c\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5728Ubuntu 18.04\u4e0a\u5b89\u88c5\u548c\u7ba1\u7406Java\u3002 Java\u662f\u7528\u4e8e\u6784\u5efa\u4e0d\u540c\u7c7b\u578b\u7684\u5e94\u7528\u7a0b\u5e8f\u548c &#8230; <a title=\"\u5982\u4f55\u5728Ubuntu 18.04\u4e0a\u5b89\u88c5Java\" class=\"read-more\" href=\"https:\/\/cn.hostease.com\/xueyuan\/hemanual\/%e5%a6%82%e4%bd%95%e5%9c%a8ubuntu-18-04%e4%b8%8a%e5%ae%89%e8%a3%85java\/\" aria-label=\"\u9605\u8bfb \u5982\u4f55\u5728Ubuntu 18.04\u4e0a\u5b89\u88c5Java\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,49,5],"tags":[788,383],"class_list":["post-3417","post","type-post","status-publish","format-standard","hentry","category-hemanual","category-linux","category-jishu","tag-java","tag-ubuntu"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3417","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/comments?post=3417"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3417\/revisions"}],"predecessor-version":[{"id":3418,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/posts\/3417\/revisions\/3418"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/media?parent=3417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/categories?post=3417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/xueyuan\/wp-json\/wp\/v2\/tags?post=3417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}