Java8安装配置

Posted 2020-10-18 焦距

下载java8的jdk

http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

 

# 解压
$ tar zxvf jdk-8u151-linux-x64.tar.gz

# 将加压后的目录移动指定路径下（一般是/opt或者/usr/local）
$ sudo mv jdk1.8.0_151 /opt/

# 添加环境变量
$ vim /etc/profile
# 在文件尾部加入以下几行内容：
export JAVA_HOME=/opt/jdk1.8.0_151
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH

# 测试
$ java -version
java version "1.8.0_151"
Java(TM) SE Runtime Environment (build 1.8.0_151-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.151-b12, mixed mode)