2.1.1. java安装、编译¶

java8¶

Linux¶

首先在 Oracle官网下载java8的linux-64安装包:jdk-8u181-linux-x64.tar.gz

创建目录:

$ mkdir -p /opt/java
$ tar -zxvf jdk-8u181-linux-x64.tar.gz -C /opt/java/
​$ sudo vim /etc/profile
    #set java environment
    export JAVA_HOME=/opt/java/jdk1.8.0_181
    export PATH=${JAVA_HOME}/bin:${PATH}
$ source /etc/profile

MacOS¶

Oracle官网下载 dmg 文件

安装后:

主目录:
/Library/Java/JavaVirtualMachines/jdk1.8.0_144.jdk/Contents/Home

java7¶

apt-get install  openjdk-7-jdk tomcat7