How-to Install Oracle JDK 8 on Deepin GNU/Linux Easy Guide

March 25th, 2015 by thelinuxevangelist

Oracle JDK 8 Quick-Start on Deepin

The Linux Tutorial Shows You in Easy-Steps How-to Install and Getting-Started with Oracle-Sun Official Java SE JDK 8 i586/x8664 for Deepin Linux+GNU i386/Amd64 Desktop.

To SetUp Oracle JDK you will need to Use the update-alternatives Tool to Update your System Java to 1.8 JDK8.

Some Java 8 Features:

  • LAMBDA Expressions Programming
  • The Stream API
  • The Nashorn Javascript Engine

To the How-to Install Oracle JDK 8 on Deepin Bottom there is a Link for Quick Start with Java JDK 8 Development and also to Install the NetBeans Java 8 IDE.

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 Deepin are Expressly Minimal to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

Install Oracle JDK 8 on Deepin - Featured

  1. Open a Command Line Terminal Shell Emulator
    Ctrl+Alt+t
    (Press “Enter” to Execute Commands)

    Oracle JDK 8 Quick-Start for Deepin Linux - Open Terminal

  2. Download Oracle Java SE JDK8 for Linux:

    Oracle JDK8 i586/x8664 tar.gz

  3. Double-Click on Archive and Extract into /tmp
    Or from Shell:

    tar xvzf ~/Downloads/jdk-8*.tar.gz -C /tmp/

    Install Oracle JDK 8 on Deepin - Java JDK 8 tar.gz Extraction Path

  4. Relocate JDK 8

    sudo su

    If Got “User is Not in Sudoers file” then Look: Solution
    Make a jvm Directory if Not already there with

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

    Set the root superUser as holder

    chown -R root:root /tmp/jdk1.8*

    Reiterate the Execution Permission over the Java binaries

    chmod -R +x /tmp/jdk1.8*/bin

    Finally Shift the Java content with

    mv /tmp/jdk1.8* /usr/lib/jvm/

  5. Installing Oracle Java JDK 8
    You can directly Copy & Paste the Commands into Terminal…

    update-alternatives --install \
/usr/bin/java java /usr/lib/jvm/jdk1.8*/bin/java 1065

    update-alternatives --install \
/usr/bin/javac javac /usr/lib/jvm/jdk1.8*/bin/javac 1065

    update-alternatives --install \
/usr/bin/jar jar /usr/lib/jvm/jdk1.8*/bin/jar 1065

    update-alternatives --install \
/usr/bin/javaws javaws /usr/lib/jvm/jdk1.8*/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]

    Or simply:

    exit

    And Edit the Bash environment Configuration file

    nano $HOME/.bashrc

    Append:

    export JAVA_HOME=/usr/lib/jvm/jdk1.8[uX]

    Replace the [uX] Looking for the Installed Java 8 Version with:

    ls /usr/lib/jvm/

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

    bash

  7. Test New Java JDK 8 Installation

    java -version

  8. How-to Install Eclipse Java on Deepin

    Eclipse Java IDE Install

  9. How-to Install Netbeans 8 IDE for Java on Deepin:

    Install Netbeans 8 Java for Deepin

    10. Now Thanks to Oracle-Sun Corporation You are Able to Successfully Start Up with Java 8 Development.

    Welcome to Java 8 Challenge! ;)

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