Java \u662f\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u7279\u5225\u662f\u5728\u4f01\u696d\u7d1a\u61c9\u7528\u548c\u7db2\u7d61\u61c9\u7528\u4e2d\u3002\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u5b89\u88dd Java \u958b\u767c\u5de5\u5177\u5305\uff08JDK\uff09\u662f\u9032\u884c Java \u958b\u767c\u7684\u7b2c\u4e00\u6b65\u3002\u672c\u6587\u5c07\u6307\u5c0e\u60a8\u5982\u4f55\u5728 Ubuntu 16.04 \u4e0a\u5b89\u88dd Java JDK\u3002<\/p>\n
\u5728\u5b89\u88dd\u4efb\u4f55\u65b0\u8edf\u4ef6\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u66f4\u65b0\u7cfb\u7d71\u7684\u5305\u7ba1\u7406\u5668\u3002\u6253\u958b\u7d42\u7aef\uff0c\u8f38\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
sudo apt update\nsudo apt upgrade<\/code><\/pre>\n\u9019\u5c07\u78ba\u4fdd\u60a8\u7684\u7cfb\u7d71\u64c1\u6709\u6700\u65b0\u7684\u5305\u548c\u5b89\u5168\u66f4\u65b0\u3002<\/p>\n
\u6b65\u9a5f 2\uff1a\u6aa2\u67e5 Java \u7248\u672c<\/h2>\n
\u5728\u5b89\u88dd JDK \u4e4b\u524d\uff0c\u60a8\u53ef\u4ee5\u6aa2\u67e5\u7cfb\u7d71\u4e2d\u662f\u5426\u5df2\u7d93\u5b89\u88dd\u4e86 Java\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
java -version<\/code><\/pre>\n\u5982\u679c\u7cfb\u7d71\u986f\u793a Java \u7684\u7248\u672c\u865f\uff0c\u5247\u8868\u793a\u5df2\u5b89\u88dd\u3002\u5982\u679c\u672a\u5b89\u88dd\uff0c\u5247\u6703\u986f\u793a\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n
\u6b65\u9a5f 3\uff1a\u5b89\u88dd Java JDK<\/h2>\n
Ubuntu 16.04 \u63d0\u4f9b\u4e86\u591a\u500b\u7248\u672c\u7684 Java JDK\u3002\u60a8\u53ef\u4ee5\u9078\u64c7\u5b89\u88dd OpenJDK \u6216 Oracle JDK\u3002\u4ee5\u4e0b\u662f\u5b89\u88dd OpenJDK \u7684\u6b65\u9a5f\uff1a<\/p>\n
\u5b89\u88dd OpenJDK<\/h3>\n
\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd OpenJDK 8\uff1a<\/p>\n
sudo apt install openjdk-8-jdk<\/code><\/pre>\n\u5b89\u88dd\u904e\u7a0b\u4e2d\uff0c\u7cfb\u7d71\u6703\u63d0\u793a\u60a8\u78ba\u8a8d\u5b89\u88dd\uff0c\u8acb\u8f38\u5165 ‘Y’ \u4e26\u6309\u4e0b Enter \u9375\u3002<\/p>\n
\u5b89\u88dd Oracle JDK<\/h3>\n
\u5982\u679c\u60a8\u9700\u8981\u5b89\u88dd Oracle JDK\uff0c\u5247\u9700\u8981\u5f9e Oracle \u7684\u5b98\u65b9\u7db2\u7ad9\u4e0b\u8f09\u3002\u9996\u5148\uff0c\u8a2a\u554f Oracle JDK \u4e0b\u8f09\u9801\u9762<\/a>\uff0c\u9078\u64c7\u9069\u5408\u60a8\u7cfb\u7d71\u7684\u7248\u672c\uff0c\u4e26\u63a5\u53d7\u8a31\u53ef\u5354\u8b70\u3002<\/p>\n\u4e0b\u8f09\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd Oracle JDK\uff1a<\/p>\n
sudo tar -xvf jdk-8uXXX-linux-x64.tar.gz -C \/usr\/local\nsudo update-alternatives --install \/usr\/bin\/java java \/usr\/local\/jdk1.8.0_XXX\/bin\/java 1\nsudo update-alternatives --install \/usr\/bin\/javac javac \/usr\/local\/jdk1.8.0_XXX\/bin\/javac 1<\/code><\/pre>\n\u8acb\u5c07 ‘XXX’ \u66ff\u63db\u70ba\u60a8\u4e0b\u8f09\u7684\u7248\u672c\u865f\u3002<\/p>\n
\u6b65\u9a5f 4\uff1a\u8a2d\u7f6e\u74b0\u5883\u8b8a\u91cf<\/h2>\n
\u70ba\u4e86\u8b93\u7cfb\u7d71\u80fd\u5920\u627e\u5230 Java\uff0c\u60a8\u9700\u8981\u8a2d\u7f6e\u74b0\u5883\u8b8a\u91cf\u3002\u7de8\u8f2f \/etc\/environment \u6587\u4ef6\uff1a<\/p>\n
sudo nano \/etc\/environment<\/code><\/pre>\n\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n
JAVA_HOME=\"\/usr\/local\/jdk1.8.0_XXX\"\nPATH=\"$PATH:$JAVA_HOME\/bin\"<\/code><\/pre>\n\u4fdd\u5b58\u4e26\u9000\u51fa\u7de8\u8f2f\u5668\u3002\u7136\u5f8c\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f7f\u66f4\u6539\u751f\u6548\uff1a<\/p>\n
source \/etc\/environment<\/code><\/pre>\n\u6b65\u9a5f 5\uff1a\u9a57\u8b49\u5b89\u88dd<\/h2>\n
\u6700\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u9a57\u8b49 Java \u662f\u5426\u5b89\u88dd\u6210\u529f\uff1a<\/p>\n
java -version<\/code><\/pre>\n\u5982\u679c\u986f\u793a\u6b63\u78ba\u7684\u7248\u672c\u865f\uff0c\u5247\u8868\u793a Java JDK \u5b89\u88dd\u6210\u529f\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728 Ubuntu 16.04 \u4e0a\u5b89\u88dd Java JDK \u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u7121\u8ad6\u662f\u9078\u64c7 OpenJDK \u9084\u662f Oracle JDK\uff0c\u90fd\u80fd\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002\u900f\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5728\u60a8\u7684 VPS<\/a> \u4e0a\u8a2d\u7f6e Java \u74b0\u5883\uff0c\u958b\u59cb\u60a8\u7684\u958b\u767c\u4e4b\u65c5\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u7684\u6280\u8853\u652f\u6301\u6216\u670d\u52d9\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Learn how to install Java JDK on Ubuntu 16.04 with this step-by-step guide, ensuring a smooth setup for your development environment.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-51419","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/51419","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=51419"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/51419\/revisions"}],"predecessor-version":[{"id":51420,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/51419\/revisions\/51420"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=51419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=51419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=51419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}