{"id":28132,"date":"2023-07-13T11:45:40","date_gmt":"2023-10-31T07:47:38","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8ubuntu%e4%b8%8a%e9%85%8d%e7%bd%aejava_home-4\/"},"modified":"2025-08-12T06:29:43","modified_gmt":"2025-08-11T22:29:43","slug":"%e5%9c%a8ubuntu%e4%b8%8a%e9%85%8d%e7%bd%aejava_home-4","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8ubuntu%e4%b8%8a%e9%85%8d%e7%bd%aejava_home-4\/","title":{"rendered":"\u5728Ubuntu\u4e0a\u914d\u7f6eJAVA_HOME"},"content":{"rendered":"<p>\u5728Ubuntu\u4e0a\u5982\u4f55\u8bbe\u7f6eJAVA_HOME\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">java\u306f\u3001alternatives\u3092\u7d4c\u7531\u3057\u3066\u3044\u308b\u524d\u63d0\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\/usr\/bin\/java -&gt; \/etc\/alternatives\/java -&gt; (\u5b9f\u969b\u306ejava\u306e\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3)<br \/>\nPATH\u306f\u3001\/usr\/bin\u306b\u901a\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u7279\u306b\u5bfe\u5fdc\u3057\u306a\u3044\u3002<\/p>\n<p>\u8907\u6570\u306ejava\u3092\u5207\u308a\u66ff\u3048\u308b\u5834\u5408\u3082source\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3002<\/p>\n<p>\u5207\u308a\u66ff\u3048\u65b9\u306f\u3001\u3053\u3061\u3089\u3092\u53c2\u7167\u3002\u300c Ubuntu\u3067\u3001\u8907\u6570\u306eJava\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u5207\u66ff\u3092\u884c\u3046\u300d<\/p>\n<h1>\u505a\u6cd5 (zu\u00f2 f\u01ce)<\/h1>\n<h3>\u5728\/etc\/profle.d\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3ajava_home.sh\u7684\u6587\u4ef6\u3002<\/h3>\n<ul class=\"post-ul\">\/etc\/profile.d\u914d\u4e0b\u306eshell\u306f\u3001\u30ed\u30b0\u30a4\u30f3\u6642\u306b\u5b9f\u884c\u3055\u308c\u308b\u3002<\/ul>\n<pre class=\"post-pre\"><code><span class=\"nb\">sudo <\/span>vi \/etc\/profile.d\/java_home.sh\r\n<\/code><\/pre>\n<h3>\u5c06JAVA_HOME\u7684\u5bfc\u51fa\u8bf4\u660e\u4e66\u5199<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">java\u30b3\u30de\u30f3\u30c9\u306e\u7d76\u5bfe\u30d1\u30b9\u304b\u3089\u3001JDK\u306e\u30db\u30fc\u30e0\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u5224\u65ad\u3057\u3066\u3044\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>${JAVA_HOME}\/bin\/java\u306e\u5834\u5408\u3068${JAVA_HOME}\/jre\/bin\/java\u306e\u5834\u5408\u304c\u3042\u308b\u306e\u3067\u3001\u305d\u306e\u4e21\u65b9\u306b\u5bfe\u5fdc\u3055\u305b\u3066\u3044\u308b\u3002\uff08\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u3082\u3042\u308b\u304b\u3082\u3002\u3002\u3002\uff09<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">export <\/span><span class=\"nv\">JAVA_HOME<\/span><span class=\"o\">=<\/span><span class=\"sb\">`<\/span><span class=\"nb\">echo<\/span> <span class=\"si\">$(<\/span><span class=\"nb\">dirname<\/span> <span class=\"si\">$(<\/span><span class=\"nb\">readlink<\/span> <span class=\"si\">$(<\/span><span class=\"nb\">readlink<\/span> <span class=\"si\">$(<\/span>which java<span class=\"si\">))))<\/span> | <span class=\"nb\">sed<\/span> <span class=\"nt\">-e<\/span> <span class=\"s1\">'s\/\\\/bin$\/\/g'<\/span> | <span class=\"nb\">sed<\/span> <span class=\"nt\">-e<\/span> <span class=\"s1\">'s\/\\\/jre$\/\/g'<\/span><span class=\"sb\">`<\/span>\r\n<\/code><\/pre>\n<h3>\u901a\u8fc7\u8f93\u5165source\u547d\u4ee4\uff0c\u4f7fJAVA_HOME\u751f\u6548\u3002<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nb\">source<\/span> \/etc\/profile.d\/java_home.sh\r\n<\/code><\/pre>\n<h3>\u786e\u8ba4<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nb\">echo<\/span> <span class=\"nv\">$JAVA_HOME<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Ubuntu\u4e0a\u5982\u4f55\u8bbe\u7f6eJAVA_HOME\u3002 java\u306f\u3001alternatives\u3092\u7d4c\u7531\u3057\u3066\u3044\u308b\u524d\u63d0\u3002 \/us [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-28132","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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