ubuntu 安装java

sudo mv [jdk bin path]/jdk1.7.0_02 /usr/lib/jvm/jdk1.7.0

sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.7.0/bin/java" 1sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.7.0/bin/javac" 1sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/jdk1.7.0/bin/javaws" 1

sudo update-alternatives --config java
sudo update-alternatives --config javac
sudo update-alternatives --config javaws