ubuntu14配置jdk1.7

设置环境变量

sudo gedit /etc/profile

/*使用vim ~/.bashrc命令编辑 或者 gedit ~/.bashrc 保存
source ~/.bashrc*/

加入环境变量内容

export JAVA_HOME=/home/lics/programFiles/jdk1.7.0_65

export JRE_HOME=${JAVA_HOME}/jre

export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib

export PATH=${JAVA_HOME}/bin:$PATH

设置默认的JDK
sudo update-alternatives --install /usr/bin/java java
/home/lics/programFiles/jdk1.7.0_65/bin/java 300

sudo update-alternatives --install /usr/bin/javac javac
/home/lics/programFiles/jdk1.7.0_65/bin/javac 300