March
27th,
2012
To install the Java JDK using only the terminal, follow the following steps:
Download the JDK from:
http://www.oracle.com/technetwork/java/javase/downloads/java-se-jdk-7-download-432154.html
Then run the following commands (change the filename as required):
tar -xvf jdk-7-linux-i586.tar.gz
sudo mv ./jdk1.7.0 /usr/lib/jvm/jdk1.7.0
sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.7.0/jre/bin/java 1
sudo update-alternatives --config java
sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.7.0/bin/javac 1
sudo update-alternatives --config javac
To test that everything is working:
java -version
Should output:
java version "1.7.0"
Java(TM) SE Runtime Environment (build 1.7.0-b147)
Java HotSpot(TM) 64-Bit Server VM (build 21.0-b17, mixed mode)
javac -version
Should output:
javac 1.7.0