ubuntu16.04安装jdk

1.下载linux版本的jdk


2.在usr/lib中新建jdk文件夹


sudo mkdir /usr/lib/jdk


3.复制jdk安装包到/usr/lib/jdk中

cd /usr/lib/jdk

解压压缩包,命令行:

sudo tar xvf jdk-8u171-linux-x64.tar.gz


4.设置jdk环境变量

sudo gedit ~/.bashrc

打开之后在末尾添加

export JAVA_HOME=/usr/lib/jdk/jdk1.8.0_171 
export JRE_HOME=${JAVA_HOME}/jre  
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib  
export PATH=${JAVA_HOME}/bin:$PATH

5.测试:

java -version

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转载自blog.csdn.net/qq_35038153/article/details/80498793