How-to Install Oracle JDK 8 on CentOS 7.X 32-64bit Linux Easy Guide

July 9th, 2014 by thelinuxevangelist

Install Oracle JDK 8 on CentOS 7



The Guide Shows You in Easy-Steps How-to Install and Getting-Started with the Latest Oracle-Sun Official Java SE JDK 8 for CentOS 7.X i686/X86_64 Linux Desktop/Server.

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

The Powerful Java 8 New Features:

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

To the How-to Install Oracle JDK 8 on CentOS 7.X Bottom there is a Link for Quick Getting-Started with Java JDK 8 Development and also to Install the Java Web-Server Tomcat 7 for CentOS 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 8 on CentOS are Expressly Reduced to Give Focus Only to the Essentials Instructions and Commands and Make Tut Easier to Read & Digest ;)

Install Oracle JDK 8 on CentOS 7.X - Featured
  1. Download Oracle Java SE JDK8 for Linux:

    Oracle JDK8 i587.X86_64 .rpm
  2. Open a Terminal Window
    (Press “Enter” to Execute Commands)

    Install Oracle JDK 8 on CentOS 7.X - Open Terminal Window

  3. Installing Oracle Java JDK 8

    cd $HOME/Downloads
    
    sudo su
    
    yum install ./jdk-8-linux*.rpm
    
  4. Setup Oracle Java JDK 8

    update-alternatives --install /usr/bin/java java /usr/java/jdk1.8*/bin/java 1065
    
    update-alternatives --install /usr/bin/javac javac /usr/java/jdk1.8*/bin/javac 1065
    
    update-alternatives --install /usr/bin/jar jar /usr/java/jdk1.8*/bin/jar 1065
    
    update-alternatives --install /usr/bin/javaws javaws /usr/java/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. :)

  5. 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/jdk1.8[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
  6. Test New Java JDK 8 Installation

    java -version
  7. How-to Install Eclipse 4.6 Neon on CentOS

    Eclipse with JDK8 Support
  8. Now Thanks to Oracle-Sun Corporation You are Able to Successfully Start Up with Java 8 Development.

    Welcome to Java 8 Challenge! ;)

    Installing Latest IntelliJ IDEA for Java Scala & Android on Linux CentOS

    Install Latest IntelliJ for CentOS
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