{"id":1373,"date":"2018-06-12T18:28:02","date_gmt":"2018-06-12T10:28:02","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=1373"},"modified":"2018-06-12T18:28:02","modified_gmt":"2018-06-12T10:28:02","slug":"centos7-%e4%bd%bf%e7%94%a8yum%e5%91%bd%e4%bb%a4%e5%ae%89%e8%a3%85java-sdkopenjdk","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/1373","title":{"rendered":"CentOS7 \u4f7f\u7528yum\u547d\u4ee4\u5b89\u88c5Java SDK(openjdk)"},"content":{"rendered":"
\n

CentOS7 \u4f7f\u7528yum\u547d\u4ee4\u5b89\u88c5Java SDK(openjdk)<\/h1>\n<\/div>\n
\n
2016\u5e7404\u670818\u65e5 21:57:49<\/span><\/p>\n
\u9605\u8bfb\u6570\uff1a11532<\/span><\/div>\n<\/div>\n<\/div>\n
\n
\n
\n

CentOS 6.X \u548c 7.X \u81ea\u5e26\u6709OpenJDK runtime environment\u00a0 (openjdk)\u3002\u5b83\u662f\u4e00\u4e2a\u5728linux\u4e0a\u5b9e\u73b0\u5f00\u6e90\u7684java \u5e73\u53f0\u3002<\/p>\n

\u5b89\u88c5\u65b9\u5f0f\uff1a<\/p>\n

1\u3001\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff0c\u4ee5\u67e5\u770b\u53ef\u7528\u7684JDK\u8f6f\u4ef6\u5305\u5217\u8868;<\/p>\n

yum search java | grep -i –color JDK<\/p>\n

2\u3001\u5728CentOS linux\u5b89\u88c5 JAVA SDK
\n\u5728\u547d\u4ee4\u884c\u7ec8\u7aef\u4ee5root\u7528\u6237 \u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4yum\u5b89\u88c5 OpenSDK \uff1a<\/p>\n

yum install java-1.8.0-openjdk\u00a0 java-1.8.0-openjdk-devel\u00a0 #\u5b89\u88c5openjdk<\/p>\n

\u5f85\u4ee5\u4e0a\u547d\u4ee4\u6267\u884c\u5b8c\u6210\uff0c\u5219\u8868\u793ajdk\u5b89\u88c5\u6210\u529f\u3002<\/p>\n

3\u3001\u5728centos linux\u4e0a\u8bbe\u7f6eJAVA_HOME environment variable(JAVA_HOME\u73af\u5883\u53d8\u91cf)<\/p>\n

rhel \u548c centos linux \u4f7f\u7528yum\u547d\u4ee4\u540e\uff0c\u5c06 OpenSDK \u5b89\u88c5\u5230\/usr\/lib\/jvm\/\u00a0\u76ee\u5f55\uff1a<\/p>\n

4\u3001\u7528cd \u547d\u4ee4\u8fdb\u5165\u5230jvm\u4e0b\u552f\u4e00\u7684\u4e00\u4e2a\u76ee\u5f55\u4e2d\u00a0java-1.8.0-openjdk-1.8.0.51.x86_64 \uff0c\u800c\u00a0jre-1.8.0-openjdk.x86_64 \u8fd9\u4e2a\u94fe\u63a5\u662f\u6307\u5411\u00a0 java-1.8.0-openjdk-1.8.0.51.x86_64 \u8fd9\u4e2a\u6587\u4ef6\u5939\uff0c\u6240\u4ee5\uff0c\u53ef\u4ee5\u76f4\u63a5\u7528export\u547d\u4ee4\u5c06 JAVA_HOME \u6307\u5411 jre-1.8.0-openjdk.x86_64 \u8fd9\u4e2a\u94fe\u63a5\u3002
\n\u5373\u4f7f\u7528export\u547d\u4ee4:<\/p>\n

export JAVA_HOME=\/usr\/lib\/jvm\/java-1.8.0-openjdk-1.8.0.51.x86_64<\/p>\n

\u4f46\u662f\u8fd9\u6837\u53ea\u80fd\u5728\u5f53\u524d\u4f1a\u8bdd\u4e2d\u6709\u6548\uff0c\u4e00\u65e6\u6ce8\u9500\u4e0b\u7ebf\uff0c\u5c31\u5931\u6548\u4e86\u3002<\/p>\n

5\u3001\u6807\u51c6\u65b9\u5f0f\u914d\u7f6e\u73af\u5883\u53d8\u91cf<\/p>\n

\u8fdb\u884c\u4e0b\u9762\u7684\u64cd\u4f5c\uff1a<\/p>\n

vi\u00a0 \/etc\/profile<\/p>\n

\u5c06\u4e0b\u9762\u7684\u4e09\u884c\u7c98\u8d34\u5230 \/etc\/profile\u00a0\u00a0 \u4e2d\uff1a
\nexport JAVA_HOME=\/usr\/lib\/jvm\/java-1.8.0-openjdk-1.8.0.51.x86_64
\nexport CLASSPATH=.:$JAVA_HOME\/jre\/lib\/rt.jar:$JAVA_HOME\/lib\/dt.jar:$JAVA_HOME\/lib\/tools.jar
\nexport PATH=$PATH:$JAVA_HOME\/bin<\/p>\n

\u4fdd\u5b58\u5173\u95ed\uff0c\u540e\uff0c\u6267\u884c\uff1asource\u00a0 \/etc\/profile \u00a0#\u8ba9\u8bbe\u7f6e\u7acb\u5373\u751f\u6548\u3002<\/p>\n

\u5728\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff0c\u6765\u786e\u8ba4\u8fd9\u4e09\u4e2a\u53d8\u91cf\u662f\u5426\u8bbe\u6210\u4e86\u6211\u4eec\u60f3\u8981\u7684\uff1a<\/p>\n

[root@~]# echo $JAVA_HOME
\n[root@ ~]# echo $CLASSPATH
\n[root@ ~]# echo $PATH<\/p>\n

<\/a>6\u3001\u6d4b\u8bd5java\u662f\u5426\u5b89\u88c5\u914d\u7f6e\u6210\u529f<\/h2>\n

\u67e5\u770b java \u7248\u672c\uff0c\u8f93\u5165\u547d\u4ee4\uff1a
\n[root@~]#\u00a0 java\u00a0\u00a0\u00a0\u00a0 -version<\/p>\n

7\u3001\u521b\u5efa\u4e00\u4e2ajava\u5c0f\u7a0b\u5e8f\u6d4b\u8bd5\u4e0b\uff0c\u540d\u5b57\u53eb\u00a0HelloWorld.java\u00a0\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a
\n[root@ ~]# touch HelloWorld.java<\/p>\n

\u5c06\u4ee5\u4e0b\u4ee3\u7801\u590d\u5236\u5230 HelloWorld.java \u4e2d \uff1a
\npublic class HelloWorld {
\npu
\nblic static void main(String[] args) {
\nSystem.out.println(“Hello, World! This is a test code by nixCraft!”);
\n}
\n}<\/p>\n

\u590d\u5236\u8fdb\u53bb\u540e\uff0c\u4fdd\u5b58\u5173\u95ed\u6587\u4ef6\u3002\u7f16\u8bd1\u548c\u8fd0\u884c\u8fd9\u4e2a\u5c0f\u7a0b\u5e8f\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4:
\n[root@ ~]#\u00a0 javac HelloWorld.java
\n[root@ ~]#\u00a0 java HelloWorld<\/p>\n

\u4f1a\u5f97\u5230\u4ee5\u4e0b\u663e\u793a\uff1a
\nHello, World! This is a test code by nixCraft!<\/p>\n

<\/a>8\u3001\u5982\u4f55(\u600e\u6837)\u8fd0\u884c .jar\u00a0 \u8fd9\u7c7bjava\u5e94\u7528\uff1f<\/h2>\n

\u8bed\u6cd5\u5982\u4e0b\uff1a
\n[root@~]# java -jar file.jar
\n[root@~]# java -jar \/path\/to\/my\/java\/app.jar\u00a0 #\/path\/to\/my\/java\/app.jar\u8868\u793a\u5e94\u7528\u7684\u8def\u5f84
\n[root@ ~]# java -jar \/path\/to\/my\/java\/app.jar arg1 arg2\u00a0\u00a0 # arg1\u8868\u793a\u53c2\u65701 \uff0carg2\u8868\u793a\u53c2\u65702<\/p>\n<\/div>\n<\/div>\n<\/article>\n","protected":false},"excerpt":{"rendered":"

CentOS7 \u4f7f\u7528yum\u547d\u4ee4\u5b89\u88c5Jav<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[117],"class_list":["post-1373","post","type-post","status-publish","format-standard","hentry","tag-01-linux"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=1373"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/1373\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=1373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=1373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=1373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}