The default version of java provided in the latest raspbian images are outdated, so we are going to install from the ppa:webupd8team/java
repository instead. Please note that add-apt-repository ppa:webupd8team/java
will not work, so we will need to add the repository manually.
- Create the gpg key file and paste the following lines of text below
nano key.txt
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: SKS 1.1.5
Comment: Hostname: keyserver.ubuntu.com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=CziK
-----END PGP PUBLIC KEY BLOCK-----
- Add the gpg key
sudo apt-key add key.txt
- Add the repository to
/etc/apt/sources.list.d/
and perform an update
sudo nano /etc/apt/sources.list.d/webupd8team-java.list
add the following repository
deb http://ppa.launchpad.net/webupd8team/java/ubuntu xenial main
deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu xenial main
update source-list
sudo apt-get update
- Install Java 8 SDK
sudo apt-get install oracle-java8-installer
- Verify that we have successfully installed java
pi@raspberrypi:~ $ java -version
java version "1.8.0_171"
Java(TM) SE Runtime Environment (build 1.8.0_171-b11)
Java HotSpot(TM) Client VM (build 25.171-b11, mixed mode)
If you have multiple jvms installed and you want to switch back to a specific version of java you can do the following:
- List the available versions in your system
update-java-alternatives -l
- Copy the key of the first column of the result of your target version
java-8-oracle 1081 /usr/lib/jvm/java-8-oracle
- Execute the set command using the previously copied key
update-java-alternatives -s java-8-oracle
sudo apt-get install oracle-java8-set-default