jdk安装

一、安装jdk

1.1 jdk下载地址

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

1.2 安装目录

/usr/local/java

1.3 配置

vim /etc/profile

添加配置

export JAVA_HOME=/usr/local/java
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

export PATH=$JAVA_HOME/bin:$PATH