ubuntu12.04下sun-java1.6-jdk配置

1. 下载安装

2. 设置安装的默认程序

$ sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.7.0_21/bin/java 300

$ sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.7.0_21/bin/javac 300

sudo update-alternatives --config java

sudo update-alternatives --config javac