Linux配置Oracle Java环境

1.下载java jdk的安装包

#pwd/usr/local/src

2.解压二进制文件并设置软连接

# tar -xvf jdk-8u241-linux-x64.tar.gz

# ln -sv /usr/local/src/jdk1.8.0_241 /usr/local/jdk

3.配置环境变量

# vim /etc/profile

vim /etc/profile

export JAVA_HOME=/usr/local/jdk

export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH

export CLASSPATH=.$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib:$JAVA_HOME/lib/tools.jar

4.重新导入环境配置

# source  /etc/profile

5.验证java 版本

# java -version

java version "1.8.0_241"Java(TM) SE Runtime Environment (build 1.8.0_241-b07)

Java HotSpot(TM) 64-Bit Server VM (build25.241-b07, mixed mode)