How-to install Oracle JDK 7 on Ubuntu 16.04 Xenial 32-64bit Easy Visual-Guide

February 6th, 2016 by thelinuxevangelist

Oracle JDK 7 Quick-Start for Ubuntu 16.04 Xenial




Hello Ubuntu User! This Tutorial Shows You Step-by-Step How-to Install and Getting-Started with the Oracle-Sun Official Java SE JDK 7 for Ubuntu 16.04 Xenial Xerus LTS i386/amd64 GNU/Linux Desktop/Server.

To SetUp Oracle JDK you will need to Use the update-alternatives Tool to Update your System Java to 1.7 JDK.

To the How-to Install Oracle JDK 7 on Ubuntu 16.04 Xenial Bottom there is a Link for Quick Getting-Started with Java JDK 7 Development and also to Install the Latest Eclipse Java IDE for Ubuntu Linux.

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

The Content and Details of How-to Install Oracle JDK 7 on Ubuntu 16.04 Xenial are Expressly Reduced to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

Install Oracle JDK 7 on Ubuntu 16.04 Xenial - Featured
  1. Open a Shell Terminal emulator session
    Ctrl+Alt+t on Desktop
    (Press “Enter” to Execute Commands)

    Install Oracle JDK 7 on Ubuntu 16.04 Xenial Open Terminal Window

  2. Download Oracle Java SE JDK for Linux:

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

    tar xvzf ~/Downloads/jdk-7*.tar.gz -C /tmp/

    Java JDK 7 tar.gz Extraction Path

  4. Relocate Oracle JDK 7
    Login as the SuperUser

    sudo su

    If Got “User is Not in Sudoers file” then Look: Solution
    To Make a jvm Directory Only if Not already there
    (You can directly copy & paste the commands into the terminal)

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

    Set the root superUser as holder

    chown -R root:root /tmp/jdk1.7*

    Then to shift the Oracle JDK 7 contents

    mv /tmp/jdk1.7* /usr/lib/jvm/
    
  5. Installing Oracle Java JDK 7
    update-alternatives --install \
    /usr/bin/java java /usr/lib/jvm/jdk1.7*/bin/java 1065
    
    update-alternatives --install \
    /usr/bin/javac javac /usr/lib/jvm/jdk1.7*/bin/javac 1065
    
    update-alternatives --install \
    /usr/bin/jar jar /usr/lib/jvm/jdk1.7*/bin/jar 1065
    
    update-alternatives --install \
    /usr/bin/javaws javaws /usr/lib/jvm/jdk1.7*/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. :)
    Last Achieve the SuperUser session:

    exit
  6. Setting JAVA_HOME User Environment Variable (Optional)

    Edit the Bash environment Configuration file:

    nano $HOME/.bashrc

    Append:

    export JAVA_HOME=/usr/lib/jvm/jdk1.7[uX]

    Replace the [uX] Looking for the Installed Java 7 Version with:

    ls /usr/lib/jvm/

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

    bash
  7. Testing New Java JDK 7 Installation:

    java -version
  8. Getting-Started with Java Development:

    Getting-Started Quickly with JDK
  9. How-to Install Latest Eclipse for Java Developers on Ubuntu:
    The Linked Guide Include Tutorials for Installing Latest Eclipse Java on Ubuntu.

    Now Thanks to Oracle-Sun Corporation You are Able to Successfully Start with Java JDK 7 Use & Development.

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