[ubuntu] oracle java install 설치

환경 : ubuntu 13.10 64bit

java 7 버전

$ sudo add-apt-repository ppa:webupd8team/java

$ sudo apt-get update

$ sudo apt-get install oracle-java7-installer

java 8 버전

$ sudo add-apt-repository ppa:webupd8team/java

$ sudo apt-get update

$ sudo apt-get install oracle-java8-installer

java 삭제는

$ sudo apt-get purge open[blabla]