CentOS 7 rpm安裝jdk

標籤：使用   classpath   環境變數   arch   預設   time   javap   runtime   dt.jar   

RPM 安裝jdk1.8.0_1111，查詢系統內建的jdkrpm -qa | grep java查詢結果如下:[[email protected] ~]# rpm -qa | grep javajavapackages-tools-3.4.1-5.el7.noarchjavamail-1.4.6-8.el7.noarchjava-1.7.0-openjdk-headless-1.7.0.51-2.4.5.5.el7.x86_64tzdata-java-2014b-1.el7.noarchpython-javapackages-3.4.1-5.el7.noarchjava-1.7.0-openjdk-1.7.0.51-2.4.5.5.el7.x86_642，卸載內建的jdkrpm -e --nodeps javapackages-tools-3.4.1-5.el7.noarch...   ...  ...3，安裝jdkrpm -ivh jdk-8u111-linux-x64.rpm使用命令 rpm -qa | grep jdk 驗證是否安裝成功[[email protected] ~]# rpm -qa | grep jdkjdk1.8.0_111-1.8.0_111-fcs.x86_64預設安裝在/usr/java中路徑為/usr/java/jdk1.8.0_1114，配置環境變數vim /etc/profile添加如下內容JAVA_HOME=/usr/java/jdk1.8.0_111JRE_HOME=/usr/java/jdk1.8.0_111/jrePATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/binCLASSPATH=:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/libexport JAVA_HOME JRE_HOME PATH CLASSPATH[[email protected] ~]# source /etc/profile5，驗證是否成功[[email protected] ~]# java -versionjava version "1.8.0_111"Java(TM) SE Runtime Environment (build 1.8.0_111-b14)Java HotSpot(TM) 64-Bit Server VM (build 25.111-b14, mixed mode)至此，安裝成功。

 

CentOS 7 rpm安裝jdk