Oracle Java JDK 9

Webupd8 Team is maintaining a PPA repository with installer scripts for the latest Java 8 and 9, that automatically downloads the Java archive from Oracle website and sets up everything for you.

1. Add the PPA.

Open terminal (Ctrl+Alt+T) and run the command:

sudo add-apt-repository ppa:webupd8team/java

Type in your password when it asks and hit Enter.


2. Update and install the installer script:

Run commands to update system package index and install Java installer script:

sudo apt update; sudo apt install oracle-java8-installer

You may replace oracle-java8-installer with oracle-java9-installer to install Java 9.

While the install process, you have to accept Java license to continue downloading & installing Java binaries.

Oracle Java License

3. Check the Java version

To check the Java version after installing the package, run command:

javac -version

check out java version

4. Set Java environment variables

The PPA also contains a package to automatically set Java environment variables, just run command:

sudo apt install oracle-java8-set-default

For Java 9, install the package oracle-java9-set-default instead.


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