Install the latest Oracle JDK 1.7 on Ubuntu - lifuzu/cafe GitHub Wiki

  1. Download the latest JDK from Oracle website: http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html

  2. Run the following command to install it:


sudo mkdir /usr/lib/jvm; cd /usr/lib/jvm; sudo tar zxvf ~/Downloads/jdk-7u*.gz; \    
sudo ln -s /usr/lib/jvm/jdk1.7.0_* /usr/lib/jvm/java-7-sun
  1. Append PATH in ~/.bashrc and run it:

export JAVA_HOME=/usr/lib/jvm/java-7-sun
export PATH=${JAVA_HOME}/bin:$PATH


source ~/.bashrc
  1. Set the latest JDK as system default java/javac/javaws:

sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/java-7-sun/bin/javac 1
sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/java-7-sun/bin/java 1
sudo update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/java-7-sun/bin/javaws 1
  1. Verify the installation:

java -version
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