How to Install Oracle JDK 9 on Linux Lite Easy Guide

March 26, 2018 | By the+gnu+linux+evangelist.

Install Oracle JDK 9 Linux Lite

Hello Linux Lite User! The Tutorial shows you Step-by-Step How to Download and Install Oracle JDK 9 on Linux Lite Desktops.

And to SetUp Oracle JDK 9 for Linux Lite you will need to Use the update-alternatives Tool to Update your System Java to 1.9 JDK9.

Moreover, Java SE 9 includes much awaited New Features like the Modularization of the Java Platform, Better Performance, Support for New Standards, and many other improvements.

The Powerful Java 9 New Features:.

  • Java REPL Shell jshell
  • Full support for HTTP 2.0, new HTTP client that implement HTTP 2.0 and websockets
  • Java Microbenchmarking Harness
  • Java Process API Boost
  • Debugging in Production

The Contents and Details of Oracle JDK 9 on Linux Lite Install are Expressly Minimal to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

Install Oracle JDK 9 Linux Lite - Featured
  1. Open a Terminal Shell emulator window.

    Install Oracle JDK 9 Linux Lite - Open Terminal

  2. Download Oracle Java SE JDK 9 for Linux.

    Oracle JDK 9 i586/x8664 tar.gz
  3. Double-Click on the tar.gz Archive and Extract into /tmp
    Or from Shell:

    tar xvzf ~/Downloads/jdk-9*.tar.gz -C /tmp/

    Install Oracle JDK 9 Linux Lite - Java JDK 9 tar.gz Extraction Path

  4. Relocate Java JDK 9.

    sudo su

    If Got “User is Not in Sudoers file” then see: How to Enable sudo
    Make a jvm Directory if Not already there with

    if [ ! -d "/usr/lib/jvm" ]; then mkdir /usr/lib/jvm; fi

    Set the root superUser as owner:

    sudo chown -R root:root /tmp/jdk-9

    Reiterate the Execution Permission over the Java binaries:

    chmod -R +x /tmp/jdk-9/bin

    Finally, Shift the Java contents with:

    mv /tmp/jdk-9 /usr/lib/jvm/
  5. Installing Oracle Java JDK 9
    You can directly Copy & Paste the Commands into Terminal..

    update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk-9/bin/java 1065
    update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk-9/bin/javac 1065
    update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk-9/bin/jar 1065
    update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk-9/bin/javaws 1065

    Checking or Setting the System Java Version in Use with

    update-alternatives --config java

    And for the Java Compiler instead:

    sudo update-alternatives --config javac

    To Switch of Java Version Just Enter the Selection Number on First, Column. :)

    Install Oracle JDK 9 Linux Lite - JDK Configuration

  6. (Optional) Setting JAVA_HOME User Environment Variable.

    su [myUserName]

    Or simply:

    exit

    And Edit the Bash environment Configuration file

    nano $HOME/.bashrc

    Append:

    export JAVA_HOME=/usr/lib/jvm/jdk-9

    Possibly to Check the JDK 9 exact PATH use in another window:

    ls /usr/lib/jvm/

    Ctr+x to Save & Exit from nano Editor :)
    Next to Load the New Bash Environment:

    bash
  7. Finally, Test New Java JDK 9 Installation.

    java -version
  8. How to Install Netbeans 8 IDE for Java 9 on Linux Lite:
    Setup NetBeans Java for Linux.

    Now Thanks to Oracle-Sun Corporation you are able to Successfully Start Up with Java 9 Development.

    Welcome to Java 9 New Dev Env! ;)


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