How-to install Oracle JDK 7 on Deepin GNU/Linux Easy Visual-Guide

March 25th, 2015 by thelinuxevangelist

Installing Oracle JDK 7 on Deepin 32/64bit



The Linux Tutorial Shows You in Easy-Steps How-to Install and Getting-Started with the Oracle-Sun Official Java SE JDK 7 i586/x8664 for Deepin Linux i386/amd64 Desktop.

To SetUp You will need to Use the update-alternatives Tool to Update your System Java to 1.7 JDK7.

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

To Make the Entire Process Easier to Visualize and Retain the Post Includes the Basic Screenshots of the Essentials Steps Involved.

The Content and Details of How-to Install Oracle JDK 7 on Deepin are Expressly Reduced to Give Focus Only to the Essentials Instructions and Commands and Make Tut Easier to Read & Digest ;)

Install Oracle JDK 7 on Deepin - Featured
  1. Open a Command Line Terminal Shell Emulator
    Ctr+Alt+t
    (Press “Enter” to Execute Commands)

    Oracle JDK 7 QuickStart for Deepin Linux - Open  Terminal
  2. Download Oracle Java SE JDK7 for Linux:

    Oracle JDK7 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. :)

  6. Setting JAVA_HOME User Environment Variable (Optional)

    su [myUserName]

    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 Installation:

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

    Getting-Started Quickly with JDK7
  9. How-to Install Latest Eclipse for Java Developers on Deepin:

    Install Eclipse Java for Deepin

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

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