How to Install Oracle JDK 9 on openSUSE 42 Leap Easy Guide

October 15, 2017 | By the+gnu+linux+evangelist | Filed in: Tutorial.

Install Oracle JDK 9 openSUSE 42

Hello openSUSE User! The Tutorial shows you Step-by-Step How to Install Oracle JDK 9 on openSUSE 42 Leap GNU/Linux Desktops.

To SetUp Oracle JDK 9 for openSUSE 42 you will need to Use the update-alternatives Tool to Update your System Java to 1.9 JDK9.

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

Furthermore, to Make the Process Easier to Visualize the Post Includes the Basic Screenshots of the Steps Involved.

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

Install Oracle JDK 9 on openSUSE 42 Leap - Featured
  1. Open Console Terminal Shell emulator window
    (Press “Enter” to Execute Commands)

    Install Oracle JDK 9 on openSUSE 42 Leap - Kde openSUSE 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 on openSUSE 42 Leap - 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 on openSUSE 42 Leap - 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. Test New Java JDK 9 Installation.

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

    How to Install Eclipse IDE for Java on openSUSE:
    Setup Eclipse Java for Linux.

    How to Install IntelliJ IDEA for Java on openSUSE:
    Setup IntelliJ 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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