How to install Oracle JDK 7 on LXLE 12.04 LTS i386/amd64 Linux Easy Guide

May 22, 2014 | By the+gnu+linux+evangelist | Filed in: Tutorial.

Install Oracle JDK 7 on LXLE 12.04 LTS

The Guide shows you in Step-by-Step How to Install and Getting-Started with the Oracle-Sun Official Java SE JDK 7 for LXLE 12.04 LTS Salamander 32/64-bit 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 8+ on LXLE 12.04 LTS Bottom there is a Link for Quick Start with Java JDK 7 Development and also to Install Eclipse IDE for Java Development on 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+ on LXLE 12.04 are Expressly Essentials to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

Oracle JDK 8 Ubuntu 22.04 Installation – Step-by-step Guide
  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 LXLE - Extract tar.gz Extraction Path

  3. Open a Command Line Terminal Window
    (Press “Enter” to Execute Commands).


    Install Oracle JDK 7 on LXLE 12.04 LTS - Open Terminal
  4. Relocate JDK 7

    sudo su

    If Got “User is Not in Sudoers file” then see: How to Enable sudo
    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
    sudo 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

    update-alternatives --config java

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

  6. Getting-Started.

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

    How to Install Eclipse for Java SE on LXLE

    Install Eclipse Java LXLE

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