How to install the JDK on Ubuntu Linux

Question

I am trying to install the Java Development Kit  JDK  on Ubuntu Linux distribution  but I am unable to install it   What are the steps to install it on Ubuntu

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Note  WebUpd8 team s PPA has been discontinued with effective from April 16  2019  Thus this PPA doesn t have any Java files  More information can be found on PPA s page on Launchpad  Hence the below method no longer works and exists because of historical reasons   If you want to install the latest JDK 1 8  use the webupd8team PPA  Add the repository in your system  sudo add-apt-repository ppa webupd8team java sudo apt-get update  You can now install Oracle Java 8 using the following command  sudo apt-get install oracle-java8-installer  This ppa repository also provides a package to set environment variables automatically  Just type  sudo apt-get install oracle-java8-set-default

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Over Debian you can try  apt-get install default-jdk

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I just did this on an Ubuntu virtual machine   Here s how I did it   Ubuntu comes with the Java JRE installed  but not the JDK   Java -version gives the JRE  not the JDK   Run javac -version   If the JDK isn t installed  you will get an error  Run the following command in the terminal to get the JDK  sudo apt install default-jdk   Now  run which javac   The output should be  usr bin javac  It has now been installed   IntelliJ won t let us use this path because it is the binary of javac  Go to Project Structure   Project Settings   Project   Where it says  Project SDK   add a JDK   Then go to  usr lib jvm   Now you should be able to compile java projects in IntellIJ   You may have to edit the configurations so that IntelliJ knows where to look for your main class   Go to Run   Edit Configurations   Add your main class for the Main class and add the root of your project as the Working directory

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OpenJDK is OK for the most cases  but Oracle JDK can be required for some bank client applications  my case  - I can t use OpenJDK   I m surprised that I don t see any answer with the default method  repository without external PPAs  in Ubuntu 12 10  for Oracle s JDK - I will try to describe it    Install JavaPackage  sudo apt-get install java-package Download Oracle JDK from Oracle downloads page Make a Debian package from the downloaded  tar gz archive  make-jpkg jdk-YOUR VERSION-linux-PLATFORM tar gz This command will produce a  deb package  Install the package in your favourite way  for example  sudo dpkg -i oracle-java8-jdk 8u40 amd64 deb    It s the officially supported way from Debian developers for installing Oracle JDK  and I suppose it s very simple

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I had the same problem and none of the comments worked for me  Finally  I noticed that I disabled my updates  When I reactivate it  so  sudo apt-get update worked correctly and the issue was solved   update in system settings  software and updates updates tab  here I ticked two first option of important update and recommended updates

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You can use oraji  It can install uninstall both JDK or JRE from oracle java   tar gz     To install run sudo oraji   path to the jdk or jre archive  To uninstall run oraji -u and confirm the version number

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Try to use SDKMAN  package manager - https   sdkman io install Now it s the easiest way to install many JVM-based SDKs  tools and frameworks on any Linux distribution   Upon installation  run the following command to see all available Java distributions   sdk list java   Select the distribution that you need and install it   sdk install java  lt version gt

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In case you have already downloaded the ZIP file follow these steps   Run the following command to unzip your file   tar -xvf   Downloads jdk-7u3-linux-i586 tar gz sudo mkdir -p  usr lib jvm jdk1 7 0 sudo mv jdk1 7 0 03    usr lib jvm jdk1 7 0  sudo update-alternatives --install   usr bin java   java    usr lib jvm jdk1 7 0 bin java  1 sudo update-alternatives --install   usr bin javac   javac    usr lib jvm jdk1 7 0 bin javac  1 sudo update-alternatives --install   usr bin javaws   javaws    usr lib jvm jdk1 7 0 bin javaws  1   After installation is complete  set environment variables as follows   Edit the system path in file  etc profile   sudo gedit  etc profile   Add the following lines at the end   JAVA HOME  usr lib jvm jdk1 7 0 PATH  PATH  HOME bin  JAVA HOME bin export JAVA HOME export PATH   Source  http   javaandme com

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Installed in ubuntu 18 04  My workaround was     sudo apt update   Install OpenJDK 8     sudo apt install openjdk-8-jdk   Verify the Java installation by running the following command which will print the Java version     java -version   The output should look like this   Output   openjdk version  1 8 0 191  OpenJDK Runtime Environment  build 1 8 0 191-8u191-b12-2ubuntu0 18 04 1-b12  OpenJDK 64-Bit Server VM  build 25 191-b12  mixed mode

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Wiki from Ubuntu website   For Ubuntu 10 04 LTS  the sun-java6 packages have been dropped from the Multiverse section of the Ubuntu archive  It is recommended that you use openjdk-6 instead   If you can not switch from the proprietary Sun JDK JRE to OpenJDK  you can install sun-java6 packages from the Canonical Partner Repository  You can configure your system to use this repository via command-line    sudo add-apt-repository  deb http   archive canonical com  lucid partner   sudo apt-get update     sudo apt-get install sun-java6-jre sun-java6-plugin  sudo update-alternatives --config java   For Ubuntu 10 10  the sun-java6 packages have been dropped from the Multiverse section of the Ubuntu archive  It is recommended that you use openjdk-6 instead   If you can not switch from the proprietary Sun JDK JRE to OpenJDK  you can install sun-java6 packages from the Canonical Partner Repository  You can configure your system to use this repository via command-line    sudo add-apt-repository  deb http   archive canonical com  maverick partner   sudo apt-get update     sudo apt-get install sun-java6-jre sun-java6-plugin  sudo update-alternatives --config java

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Try this in case you do not want to install OpenJDK  JDK Source Installer for Ubuntu

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Execute these series of commands  insert  update  and install  and you are all set to go    First add the repository   sudo add-apt-repository ppa webupd8team java  Update   sudo apt-get update  Install   sudo apt-get install oracle-java7-installer

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Installing Oracle s Java JDK requires you to accept the Oracle license before the installation begins  This is only required once  If for some reason you need the installation to be automated  you can run the following commands to install without user interaction  useful for an automatic script for example   sudo add-apt-repository -y ppa webupd8team java sudo apt-get update echo debconf shared accepted-oracle-license-v1-1 select true   sudo debconf-set-selections echo debconf shared accepted-oracle-license-v1-1 seen true   sudo debconf-set-selections sudo apt-get -y install oracle-java8-installer java -version

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In Ubuntu 18 04  We can install java like a normal package without using an external repository   Just run this command  sudo apt install openjdk-8-jdk

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Note  WebUpd8 team s PPA has been discontinued with effective from April 16  2019  Thus this PPA doesn t have any Java files  More information can be found on PPA s page on Launchpad  Hence the below method no longer works and exists because of historical reasons   Installing Java 8 on Ubuntu First you need to add webupd8team Java PPA repository in your system and install Oracle Java 8 using following set of commands    sudo add-apt-repository ppa webupd8team java   sudo apt-get update   sudo apt-get install oracle-java8-installer  Verify Installed Java Version After successfully installing Oracle Java using the above steps  verify the installed version using the following command    java -version  java version  quot 1 8 0 77 quot  Java TM  SE Runtime Environment  build 1 8 0 77-b03  Java HotSpot TM  64-Bit Server VM  build 25 77-b03  mixed mode      Configuring the Java environment In Webupd8 ppa repository also providing a package to set environment variables  Install this package using following command    sudo apt-get install oracle-java8-set-default  Reference

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You can install via apt-get  sudo add-apt-repository ppa linuxuprising java sudo apt-get update sudo apt-get install oracle-java11-installer  After  do not forget to check the version  java -version

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The following used to work before the Oracle Java license changes in early 2019   sudo add-apt-repository ppa webupd8team java sudo apt-get update sudo apt-get install oracle-java7-installer   The PPA is discontinued  until the author finds a workaround for the license issues

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In Ubuntu1604 I faced  No installation candidate error   Following below steps helped me install   -sudo apt-get update -sudo apt-get upgrade -apt-get install software-properties-common -sudo add-apt-repository ppa webupd8team java -apt-get update -sudo apt install oracle-java8-installer

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The best is to install default Java until a specific Java version is not required   Before this  execute java -version to check if Java is not already installed   sudo apt-get update   sudo apt-get install default-jre   sudo apt-get install default-jdk   That is everything that is needed to install Java

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If you would like to use the AdoptOpenJDK distribution other than Java 10  you can use their official repository as described on the AdoptOpenJDK website  also applies for Debian          Import the official AdoptOpenJDK GPG key by running the following command   wget -qO - https   adoptopenjdk jfrog io adoptopenjdk api gpg key public   sudo apt-key add -    Import the AdoptOpenJDK DEB repository by running the following command   sudo add-apt-repository --yes https   adoptopenjdk jfrog io adoptopenjdk deb        If you get a command not found error  try running   apt-get install -y software-properties-common       Then repeat the first command    Refresh your package list with apt-get update and then install your chosen AdoptOpenJDK package  For example  to install OpenJDK 8 with the HotSpot VM  run   apt-get install  lt adoptopenjdk-8-hotspot gt        You can find the available packange names   Java versions under https   adoptopenjdk jfrog io adoptopenjdk deb pool main a

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Referring to Ask Ubuntu question How to set JAVA HOME for OpenJDK    How to install Open JDK  Java developement kit  in Ubuntu  Linux     Open Terminal from Application Dash or press Ctrl Alt T Update repository   sudo add-apt-repository ppa openjdk-r ppa    only Ubuntu 17 4 and earlier sudo apt update  Optional  To search available distributions of openjdk  use the following command   apt search openjdk  Install the appropriate version with the following command   sudo apt install openjdk-8-jdk sudo apt install openjdk-8-source  this is optional  the jdk source code  For JAVA HOME  Environment Variable  type command as shown below  in  Terminal  using your installation path     export JAVA HOME  usr lib jvm java-8-openjdk    Note   usr lib jvm java-8-openjdk is symbolically used here just for demostration  You should use your path as per your installation   For PATH  Environment Variable  type command as shown below  in Terminal   export PATH  PATH  JAVA HOME bin To check your installation   java -version

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You can use SDKMan   curl -s  https   get sdkman io    bash source     sdkman bin sdkman-init sh  sdk install java

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Have a look at OpenJDK  It is the standard JVM implementation on Linux

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You can use the sudo apt-get install default-jdk terminal command to install the default JDK version   Before installing Java  type the sudo apt-get update terminal command and then type the install terminal command  You can get more information from here

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If you want to install Oracle JDK  you can use this automated script that does all the work for you   There are detailed instructions how to use it on the author s blog

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Using a PPA  Obsolete   Note  WebUpd8 team s PPA has been discontinued with effective from April 16  2019  Thus this PPA doesn t have any Java files  More information can be found on PPA s page on Launchpad  Hence the below method no longer works and exists because of historical reasons   You can use WebUpd8 PPA  this will download the required files from Oracle and install JDK 8   sudo apt-add-repository ppa webupd8team java sudo apt-get update sudo apt-get install oracle-java8-installer  Are PPA s safe to add to my system and what are some    red flags    to watch out for  Also ensure your JAVA HOME variable has been set to   usr lib jvm java-8-oracle  Manual install The tar gz provided by Oracle don t have an actual installation process  You just extract those files to a location you want and add them to your path  So the process is the following  Download a  tar gz from Oracle  here I will be using jdk-8u20-linux-x64 tar gz   Extract it to somewhere  Move the extracted folder to  usr lib jvm  This is not required but it is the place where Java runtime software is installed sudo mv  path to jdk1 8 0 20  usr lib jvm oracle jdk8  Create a file  etc profile d oraclejdk sh with the following content  adapt the paths to reflect the path where you stored your JDK   export J2SDKDIR  usr lib jvm oracle jdk8 export J2REDIR  usr lib jvm oracle jdk8 jre export PATH  PATH  usr lib jvm oracle jdk8 bin  usr lib jvm oracle jdk8 db bin  usr lib jvm oracle jdk8 jre bin export JAVA HOME  usr lib jvm oracle jdk8 export DERBY HOME  usr lib jvm oracle jdk8 db  Done  Those paths will only be recognized after you logout or restart  so if you want to use them right away run source  etc profile d oraclejdk sh

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Install the appropriate version of OpenJDK  JAVA VERSION 8 sudo add-apt-repository -y ppa openjdk-r ppa sudo apt-get update sudo apt-get -qq install -y openjdk- JAVA VERSION-jdk Set Environment Variables in  etc profile d jdk sh  JAVA HOME  usr lib jvm java- JAVA VERSION-openjdk-amd64 echo  export JAVA HOME  JAVA HOME    sudo tee -a  etc profile d jdk sh echo  export J2SDKDIR  JAVA HOME    sudo tee -a  etc profile d jdk sh echo  export J2REDIR  JAVA HOME jre    sudo tee -a  etc profile d jdk sh echo  export PATH  PATH  JAVA HOME bin  J2REDIR bin    sudo tee -a  etc profile d jdk sh Check your installation   bin bash  etc profile d jdk sh java -version echo  JAVA HOME echo  J2REDIR echo  PATH

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I have successfully installed JDK 10 on Ubuntu 18 04 LTS following this video    I am copying the excerpt from the description of the video   Just open the terminal and give these commands    For Java Installation  PPA   sudo add-apt-repository ppa linuxuprising java sudo apt-get update sudo apt-get install oracle-java10-installer   For setting up environment variables  make java10 default   sudo apt-get install oracle-java10-set-default   The same procedure can be followed on  Ubuntu 16 04  Linux Mint  Debian and other related Linux systems to install JDK 10

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I recommend JavaPackage   It s very simple  You just need to follow the instructions to create a  deb package from the Oracle tar gz file

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Simply run   sudo apt-get install default-jdk

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sun-java6-jdk is a virtual package provided by oracle-java8-installer or oracle-java7-installer or oracle-java7-installer   sudo apt-get install oracle-java8-installer     will give you sun-java6-jdk

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You can install Oracle s JDK 1 7 fairly easily too  as an example this is how to install JDK 1 7 0 13    Download the JDK from Oracle s site  The download to the newest version is always linked from http   java oracle com    As root  do   cd  usr local tar xzf  lt the file you just downloaded gt    As your normal user  add or change these two lines in your    profile to point to the installation   export JAVA HOME  usr local jdk1 7 0 13 export PATH  PATH  JAVA HOME bin   If it s an update  you may also want to remove the old java installation directory in  usr local   Log out and in again  or do      profile   and everything should just work   The downside with Oracle s JDK is that it won t update with the rest of your system like OpenJDK will  so I d mostly consider it if you re running programs that require it

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Please follow this step to install oracle JDK   Download oracle JDK  Eg Java 8 for 64 bit machine jdk-8u241-linux-x64 tar gz   from Oracle Extract the   tar gz in home directory or preferred location Set Environment variable  Eg Open terminal type sudo gedit    bashrc    Add following line at end of  bashrc file  export JAVA HOME  opt jdk1 8 0 241   add your own jdk location  export PATH  PATH  JAVA HOME bin Save and exit Finally source the  bashrc Eg source    bashrc Now open a new terminal type jdk -version

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