How-to install Oracle JDK 7 on Lubuntu 13.10 Saucy i386/amd64 Easy Guide

October 31st, 2013 by thelinuxevangelist

Install Oracle JDK 7 on Lubuntu 13.10 Saucy




The Guide Shows You in Step-by-Step How-to Install and Getting-Started with the Latest Oracle-Sun Official Java SE JDK 7 for Lubuntu 13.10 Saucy Salamander 32/64bit Linux Desktop.

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 Lubuntu 13.10 Saucy Bottom there is a Link for Quick Getting-Started with Java JDK 7 Development and also to Install Eclipse IDE for Java Development on Lubuntu 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 Lubuntu 13.10 Saucy 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 Lubuntu 13.10 Saucy - Featured
  1. Download Oracle Java SE JDK for Linux:

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

    Install Oracle Java JDK 7 Lubuntu - Extract tar.gz Extraction Path

  3. Open a Terminal Window
    (Press “Enter” to Execute Commands) Install Oracle JDK 7 on Lubuntu 13.10 Saucy Open Terminal Window
  4. Relocate JDK 7
    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. Getting-Started:

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

    How-to Install Latest Eclipse for Java SE on Lubuntu:

    Install Eclipse Java Lubuntu
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