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How to Install Oracle JDK 8 on SuperX Gnu/Linux Easy Guide

April 1, 2015 | By the+gnu+linux+evangelist.

Oracle JDK 8 Quick Start on SuperX

The Tutorial shows you in Easy-Steps How to Install Oracle-Sun Java SE JDK 8 i586/x8664 for SuperX 2/3 GNU+Linux i386/Amd64 KDE Desktop.

To SetUp Oracle JDK in you may need to make use of the update-alternatives Tool to Update your System Java.

Some Java 8 Features:

  • LAMBDA Expressions Programming
  • The Stream API
  • The Nashorn Javascript Engine

To the How to Download and Install Oracle JDK 8 in SuperX Bottom there is a Link for Quick Start with Java JDK 8 Development and also to Install the NetBeans Java 8 IDE.

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

The Contents and Details of How to Download and Install Oracle JDK 8 in SuperX are Expressly Minimal to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

Install Oracle JDK 8 on SuperX - Featured

  1. Open a File Manager Window
    Cmd/Win & Search ‘Computer’

    SuperX Java JDK 8 Installation - Open File Manager

  2. Download Oracle Java SE JDK8 for Linux.

    Oracle JDK8 i586/x8664 tar.gz

  3. Right-Click on Archive and Extract into /tmp
    Or from Shell:

    tar ~/Downloads/xvzf jdk-8*.tar.gz -C /tmp/

    Install Oracle JDK 8 on SuperX - Java JDK 8 tar.gz Extraction Path

  4. Right Click on Background > Actions > ‘Open Terminal Here’
    (Press “Enter” to Execute Commands on Shell)

    Oracle Java JDK 8 Installation on SuperX 3 Grace Linux - Open Terminal /tmp

  5. Relocate JDK 8.

    sudo su

    You will be prompted to Insert the SuperUser Password
    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
    sudo chown -R root:root /tmp/jdk1.8*
    chmod -R +x /tmp/jdk1.8*/bin
    mv /tmp/jdk1.8* /usr/lib/jvm/

  6. Installing Oracle Java JDK 8
    You can directly Copy & Paste the Commands into Terminal..

    update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.8*/bin/java 1065

    update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.8*/bin/javac 1065

    update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk1.8*/bin/jar 1065

    update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk1.8*/bin/javaws 1065

    Checking or Setting the System Java Version in Use with

    update-alternatives --config java

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

  7. Setting JAVA_HOME User Environment Variable (Optional).

    su [myUserName]

    Or simply:

    exit

    And Edit the Bash environment Configuration file

    nano $HOME/.bashrc

    Append:

    export JAVA_HOME=/usr/lib/jvm/jdk1.8[uX]

    Replace the [uX] Looking for the Installed Java 8 Version with:

    ls /usr/lib/jvm/

    Ctr+x to Save & Exit from nano Editor :)
    Load New Bash Config:

    bash

  8. Test New Java JDK 8 Installation.

    java -version

  9. How to Install Eclipse Java on SuperX

    Eclipse Java IDE Install

  10. How to Install Netbeans 8 IDE for Java on SuperX

    Install Netbeans 8 Java for SuperX

    11. Now Thanks to Oracle-Sun Corporation you are able to Successfully Start Up with Java 8 Development.

    Welcome to Java 8 Challenge! ;)