Ubuntu 14.04 JAVA1.7 安装配置
下载 JDK 解压到相应文件夹 /opt/java
sudo tar-zxvf jdk-7u67-linux-i586.tar.gz-C/opt/Java
添加环境变量
gedit~/.bashrc
末尾添加
#set JAVA jdk
export JAVA_HOME=/opt/Java/jdk1.7.0_67/
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH
立即生效
source~/.bashrc
javac or java -version
show running