CentOS 7.2 安装jdk1.8,centosjdk1.8

CentOS 7.2 安装jdk1.8,centosjdk1.8

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1.下载jdk 1.8安装包

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wget--no-check-certificate--no-cookies--header"Cookie:oraclelicense=accept-securebackup-cookie"http://download.oracle.com/otn-pub/java/jdk/8u91-b14/jdk-8u91-linux-x64.tar.gz

2.解压到指定文件夹

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tar-zxvffile-C/usr/local/jdk1.8

3.修改环境变量

打开/etc/profile

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vi/etc/profile

在最后面添加如下内容：

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JAVA_HOME=/usr/local/jdk1.8

JRE_HOME=/usr/local/jdk1.8/jre

CLASSPATH=.:$JRE_HOME/lib:$JAVA_HOME/lib/tools.jar

PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$PATH

exportJAVA_HOMECLASSPATHPATHJRE_HOME

让系统重新加载该文件

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source/etc/profile

4.测试

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java-version