How-to Install Oracle Java JDK 7 on Elementary OS Linux 32-64bit Step-by-Step Easy Guide

April 22, 2014 | By thelinuxevangelist | Filed in: Tutorial.

Install Oracle JDK 7 Elementary OS Linux

The Tutorial Shows You in Easy Steps How-to Install and Getting-Started with the Latest Oracle-Sun Official Java JDK x64 for Linux Elementary OS i386/amd64 Pantheon Desktop.

After Installing you will need to Use the update-alternatives Command Tool to Update your System Java to Oracle Java 1.7 JDK.

To the Article Bottom there is a Link for Quick Start with Java JDK 7 Development and also to Install the Evernote Clone on Elementary OS Linux.

And this Visual Guide includes the Basic Screenshots of All GUI Steps involved.

The Content give Focus Only to the Essentials Instructions and Commands to make it Easier to Follow.

Install Oracle JDK 7 Elementary OS Linux - Featured

  1. Download Oracle-Sun Java SE JDK 7 for Linux:

    Oracle JDK 7 i586/x64 tar.gz

  2. Open Terminal Window
    (Press “Enter” to Execute Commands)

    Ctrl+Alt+t

    Install Oracle JDK 7 Elementary OS Linux - Pantheon Open Terminal

  3. Double-Click on the Jdk7 tar.gz Archive

    Or from Shell:

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

    Install Oracle JDK 7 Elementary OS Linux - Extraction

    Then Extract it Into the /tmp Folder.

  4. Relocate JDK 7

    sudo su

    If Got “User is Not in Sudoers file” then Look: Solution

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

    The above command is used to create a jvm directory if not already there.

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

    Reiterate the Execution Permission over the Java binaries

    chmod -R +x /tmp/jdk1.7*/bin

    Finally Shift the Java contents with

    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

    And for the Java Compiler instead:

    sudo update-alternatives --config javac

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

  6. Getting-Started and Running with JDK 7:

    Quick Start for Java Development

    7. How-to Install Evernote on Linux Elementary OS

    Installing Evernote for Elementary OS

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