How to Install Oracle JDK 8 LXLE 14.04 Trusty Easy Guide

September 24, 2017 | By thelinuxevangelist | Filed in: Tutorial.

Install Oracle JDK 8 LXLE 14.04

Hello LXLE User! This Guide Shows You Step-by-step How to Install Oracle JDK 8 in LXLE 14.04 Trusty LTS 32/64-bit Desktop.

To SetUp Oracle JDK 8 on LXLE 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.

Install Oracle JDK 8 LXLE 14.04 - Featured
  1. First Open a Shell Terminal emulator window
    Ctr+Alt+t on Desktop
    (Press “Enter” to Execute Commands)

    Install Oracle JDK 8 LXLE 14.04 - LXLE Open Terminal
  2. Download Oracle Java SE JDK8 for Linux:

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

    Install Oracle JDK 8 LXLE 14.04 - Java JDK 8 tar.gz Extraction Path
    Or from Shell:

    tar xvzf ~/Downloads/jdk-8*.tar.gz -C /tmp/
  4. Next 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. Finally, to Install 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. Furthermore, forSetting JAVA_HOME Env. 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
  7. Test New Java JDK 8 Installation

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

    Eclipse for LXLE Installation

    How to Install Netbeans 8 IDE for Java on LXLE:

    Install Netbeans 8 Java for LXLE

    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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