How to install the JDK on Ubuntu Linux

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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?
Dec 30, 2020 in Java by Roshni
• 10,480 points

1 answer to this question.

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  1. Open Terminal from Application Dash or press Ctrl+Alt+T

  2. Update repository:

    sudo add-apt-repository ppa:openjdk-r/ppa  # only Ubuntu 17.4 and earlier
    sudo apt update
  3. Optional: To search available distributions of OpenJDK, use the following command:

    apt search openjdk
  4. 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
  5. 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 demonstration. You should use your path as per your installation.)

  6. For PATH (Environment Variable) type command as shown below, in Terminal:

    export PATH=$PATH:$JAVA_HOME/bin

  7. To check your installation:

    java -version

answered Dec 30, 2020 by Gitika
• 65,950 points

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