Jdk

到oracle官网下载二进制压缩文件 1.解压 2.编辑/etc/profile，添加以下配置 export JAVA_HOME=/opt/src/jdk1.8.0_171 export JRE_HOME=/opt/src/jdk1.8.0_171/jre export PATH=$PATH:/opt/src/jdk1.8.0_171/bin export CLASSPATH=./:/opt/src/jdk1.8.0_171/lib:/opt/src/jdk1.8.0_171/jre/lib 3.刷新配置 source /etc/profile 4.查看配置是否生效 java -version 5.出现以下信息就安装成功了 java version "1.8.0_171" Java(TM) SE Runtime Environment (build 1.8.0_171-b11) Java HotSpot(TM) 64-Bit Server VM (build 25.171-b11, mixed mode)