How to Install Oracle JDK 7 LXLE 14.04 Trusty Easy Guide

Install Oracle JDK 7 LXLE 14.04

Hello LXLE User! This Guide shows you Step-by-step How to Download and Install Oracle JDK 7 LXLE 14.04 Trusty LTS Desktop.

To SetUp Oracle JDK on LXLE 14.04 you will need to Use the update-alternatives Tool to Update your System Java to 1.7 JDK.

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

The Contents and Details of How to Download and Install Oracle JDK 8+ on LXLE 14.04 are Expressly Essentials to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

1. First, Open a Command Line Terminal Window
   Ctrl+Alt+t on Desktop
   (Press “Enter” to Execute Commands)

   

   In case first see: Terminal QuickStart Guide.

2. Download Oracle Java SE JDK 7 for Linux:

   Oracle JDK 7 i586/x8664 tar.gz

   Select Oracle JDK 7 for Linux

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

   

4. Next 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. Finally, to Install 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/non First, Column. :)

6. How to Getting-Started with Java JDK 7.

   Java 7 Quick Start

   How-to
   Getting-Started Quickly with Java JDK Development

Now Thanks to Oracle-Sun Corporation
you are able to Successfully Start with Java JDK Use & Development.

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