How to Install Oracle JDK 8 Fedora 30 Easy Guide

Oracle JDK 8 Fedora 30 - Installation

3. So to Install Oracle Java JDK 8 Package
   Access the target directory:

   cd $HOME/Downloads
   

   Login as SuperUser (This to make shorter the following commands):

   sudo su
   

   Then to Install Oracle JDK 8 for Fedora 30:

   sudo dnf install ./jdk-8-linux*.rpm
   

4. Then Setup Oracle Java JDK 8
   (Simply copy & paste these commands)

   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
   

   And Check/Set 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)
   Achieve the SuperUser session:

   exit

   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 :)
   And Load New Bash Configutation simply with:

   bash

6. Finally, Test New Java JDK 8 Installation.

   java -version

How to Install Eclipse for Java 8 on Fedora

Eclipse with JDK8 Installation
Install Eclipse for Java

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 Fedora

Install the Latest IntelliJ for Fedora
Setup IntelliJ on Fedora