1 上传jdk 到/usr/local下,解压文件 tar -zxvf jdk-8u11-linux-x64.tar.gz
2、配置环境 vi /etc/profile,在最后添加
export JAVA_HOME=/home/java/jdk1.8.0_11 export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar export PATH=$PATH:$JAVA_HOME/bin
3使/etc/profile生效
source /etc/profile
测试
[root@bogon jdk1.8.0_101]# java -version java version "1.8.0_101" Java(TM) SE Runtime Environment (build 1.8.0_101-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.101-b13, mixed mode)