How to Install Oracle JDK 8 LXLE 14.04 Trusty Easy Guide

Install Oracle JDK 8 LXLE 14.04

Hello LXLE User! This Guide shows you Step-by-step How to Download and Install Oracle JDK 8 in LXLE 14.04 Trusty LTS Desktop.

To SetUp Oracle JDK 8 on LXLE in you may need to make use of the update-alternatives Tool to Update your System Java.

Some Java 8 Features:

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

To the How to Download and Install Oracle JDK 8 in LXLE 12.04 Precise Bottom there is a Link for Quick Start with Java JDK 8 Development and also to Install the Java Web-Server Tomcat 7 for LXLE Linux.

Moreover, to Make the Process Easier to Visualize the Post Includes the Basic Screenshots of the Steps Involved.

1. First, Open a Shell Terminal emulator window
   Ctrl+Alt+t on Desktop
   (Press “Enter” to Execute Commands)

   

   In case first see: Terminal QuickStart Guide.

2. Download Oracle Java SE JDK8 for Linux.

   Oracle JDK8 i586/x8664 tar.gz

   Oracle Jdk8

3. Then Double-Click on the tar.gz Archive and Extract into
   /tmp.

   
   Or from Shell:

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

4. Next Relocate JDK 8

   sudo su

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

   sudo 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 contents with

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

5. Finally, to Install 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. :)

   Lastly to Exit from the Super-User session:

   exit

6. Moreover, forSetting JAVA_HOME Env. 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

How to Install Eclipse Java on LXLE

Eclipse for LXLE Installation
Install Eclipse for Java

How to Install Netbeans 8 IDE for Java on LXLE

Install Netbeans 8 Java for LXLE
Setup NetBeans Java for Linux

Now Thanks to Oracle-Sun Corporation you are able to Successfully Start Up with Java 8 Development.

Welcome to Java 8 Challenge! ;)