Ubuntu安装Jdk–大Java走起

2018-02-06 更新：2018-02-06

大java走起

下载java8的最新版本

$ 两种方式下载
$ curl -L "http://download.oracle.com/otn-pub/java/jdk/8u172-b11/a58eab1ec242421181065cdc37240b08/jdk-8u172-linux-x64.tar.gz" -H "Cookie: oraclelicense=accept-securebackup-cookie"  -H "Connection: keep-alive" -O  

$ wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u172-b11/a58eab1ec242421181065cdc37240b08/jdk-8u172-linux-x64.tar.gz

解压到指定的目录

1 2	$ sudo tar -zxvf jdk-8u172-linux-x64.tar.gz -C /opt $ sudo ln -s /opt/jdk1.8.0_172 /opt/java

配置环境变量

1	$ sudo vim /etc/profile

配置环境变量

# env
export JAVA_HOME=/opt/java
export CLASSPATH=.:$JAVA_HOME/jre/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$HOME/bin:$JAVA_HOME/bin

使环境变量生效

1	$ source /etc/profile

查看jdk版本

java -version

|阅读量()

jsonContent: meta: false pages: false posts: title: true date: true path: true text: false raw: false content: false slug: false updated: false comments: false link: false permalink: false excerpt: false categories: false tags: true