How to Install Oracle JDK 8 on LXLE 12.04 LTS 32-64bit Linux Easy Guide

May 31, 2014 | By thelinuxevangelist | Filed in: Tutorial.

Install Oracle JDK 8 on LXLE 12.04 i386/amd64

The Guide Shows You in Easy-Steps How to Install Oracle-Sun Java SE JDK 8 i586/x8664 for LXLE Linux 12.04 LTS 32/64-bit 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 Install Oracle JDK 8 in LXLE 12.04 Precise Bottom there is a Link for Quick Start with Java JDK 8 Development and also to Install the Java Web-Server Tomcat 7 for LXLE Linux.

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 8 in LXLE 12.04 Precise 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 LXLE 12.04 - Featured
  1. Download Oracle Java SE JDK8 for Linux:

    Oracle JDK8 i586/x8664 tar.gz
  2. Double-Click on the tar.gz Archive and Extract into
    /tmp

    Install Oracle JDK 8 on LXLE 12.04 - Java JDK 8 tar.gz Extraction Path
    Or from Shell:

    tar xvzf ~/Downloads/jdk-8*.tar.gz -C /tmp/
  3. Open a Terminal Window
    (Press “Enter” to Execute Commands) Install Oracle JDK 8 on LXLE 12.04 - Open Terminal Window
  4. Relocate JDK 8
    sudo su

    If Got “User is Not in Sudoers file” then Look: Solution
    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

    chown -R root:root /tmp/jdk1.8*

    Reiterate the Execution Permission over the Java binaries

    chmod -R +x /tmp/jdk1.8*/bin

    Finally, Shift the Java contents with

    mv /tmp/jdk1.8* /usr/lib/jvm/
    
  5. 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. :)

    Lastly to Exit from the Super-User session:

    exit
  6. Setting JAVA_HOME User Environment Variable (Optional)

    su [myUserName]

    Or simply:

    exit
    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
  7. Test New Java JDK 8 Installation

    java -version
  8. How to Install Eclipse Java on Ubuntu

    Eclipse for Ubuntu Installation

    How to Install Netbeans 8 IDE for Java on Ubuntu:

    Install Netbeans 8 Java for Ubuntu

    Now Thanks to Oracle-Sun Corporation You are Able to Successfully Start Up with Java 8 Development.

    Welcome to Java 8 Challenge! ;)


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