centos7安装java1.8
2016-10-27 16:37
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本文转载于:http://www.centoscn.com/image-text/install/2015/0609/5625.html
下载地址:http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
查看自带java信息
[root@zck ~]# java -version
java version "1.7.0_"
OpenJDK Runtime Environment (IcedTea6 1.11.1) (rhel-1.45.1.11.1.el6-x86_64)
OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode)
进一步查看JDK信息:
[root@localhost ~]# rpm -qa | grep java
javapackages-tools-3.4.1-6.el7_0.noarch
tzdata-java-2014i-1.el7.noarch
java-1.7.0-openjdk-headless-1.7.0.71-2.5.3.1.el7_0.x86_64
java-1.7.0-openjdk-1.7.0.71-2.5.3.1.el7_0.x86_64
python-javapackages-3.4.1-6.el7_0.noarch
卸载OpenJDK,执行以下操作:
[root@localhost ~]# rpm -e --nodeps tzdata-java-2014i-1.el7.noarch
[root@localhost ~]# rpm -e --nodeps java-1.7.0-openjdk-headless-1.7.0.71-2.5.3.1.el7_0.x86_64
[root@localhost ~]# rpm -e --nodeps java-1.7.0-openjdk-1.7.0.71-2.5.3.1.el7_0.x86_64
安装JDK
上传新的jdk-8u112-linux-x64.rpm软件到/usr/local/执行以下操作:
[root@localhost ~]# cd /usr/local/
[root@localhost local]# rpm -ivh jdk-8u112-linux-x64.rpm
JDK默认安装在/usr/java中。
执行以下操作,查看信息是否正常:
[root@localhost ~]# java
[root@localhost ~]# javac
[root@localhost ~]# java -version
本文转载于:http://www.centoscn.com/image-text/install/2015/0609/5625.html
下载地址:http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
查看自带java信息
[root@zck ~]# java -version
java version "1.7.0_"
OpenJDK Runtime Environment (IcedTea6 1.11.1) (rhel-1.45.1.11.1.el6-x86_64)
OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode)
进一步查看JDK信息:
[root@localhost ~]# rpm -qa | grep java
javapackages-tools-3.4.1-6.el7_0.noarch
tzdata-java-2014i-1.el7.noarch
java-1.7.0-openjdk-headless-1.7.0.71-2.5.3.1.el7_0.x86_64
java-1.7.0-openjdk-1.7.0.71-2.5.3.1.el7_0.x86_64
python-javapackages-3.4.1-6.el7_0.noarch
卸载OpenJDK,执行以下操作:
[root@localhost ~]# rpm -e --nodeps tzdata-java-2014i-1.el7.noarch
[root@localhost ~]# rpm -e --nodeps java-1.7.0-openjdk-headless-1.7.0.71-2.5.3.1.el7_0.x86_64
[root@localhost ~]# rpm -e --nodeps java-1.7.0-openjdk-1.7.0.71-2.5.3.1.el7_0.x86_64
安装JDK
上传新的jdk-8u112-linux-x64.rpm软件到/usr/local/执行以下操作:
[root@localhost ~]# cd /usr/local/
[root@localhost local]# rpm -ivh jdk-8u112-linux-x64.rpm
JDK默认安装在/usr/java中。
执行以下操作,查看信息是否正常:
[root@localhost ~]# java
[root@localhost ~]# javac
[root@localhost ~]# java -version
本文转载于:http://www.centoscn.com/image-text/install/2015/0609/5625.html
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