How to Install Oracle JDK 10 on KDE Neon Easy Guide

September 6, 2018 | By the+gnu+linux+evangelist.

Install Oracle JDK 10 KDE Neon

Hello KDE Neon User! The Tutorial shows you Step-by-Step How to Download and Install Oracle JDK 10 on KDE Neon GNU/Linux Desktop.

And to SetUp Oracle JDK 10 for KDE Neon you will need to Use the update-alternatives Tool to Update your System Java to 1.10.

The JDK 10 New Features:.

A local-variable type inference
A clean garbage collector interface
Parallel full garbage collection
Enabling HotSpot to allocate the object heap on an alternative memory device
Enabling the Grall Java-based just-in-time compiler experimental in Linux/x64
Consolidation of the repositories of the JDK forest into a single one
Application class-data sharing, for executing a callback on threads without performing a global VM safepoint
Thread-local handshakes
Provision of a default set of root certificate authority certificates in the JDK

Finally, the Contents and Details of Oracle JDK 10 on KDE Neon Install are Expressly Minimal to Give Focus Only to the Essentials Instructions and Commands and Make the Tut Easier to Understand ;)

Open a Shell Terminal emulator window
Just start Typing “konsole” on Desktop.
(Press “Enter” to Execute Commands)
Download Oracle Java SE JDK 10 for Linux.

Oracle JDK 10 Linux tar.gz

Oracle JDK 10
Double-Click on the tar.gz Archive and Extract into /tmp
Or from Shell:
```
tar xvzf ~/Downloads/jdk-10*.tar.gz -C /tmp/
```
Relocate Java JDK 10.
```
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/jdk-10*
```
Reiterate the Execution Permission over the Java binaries:
```
chmod -R +x /tmp/jdk-10*/bin
```
Finally, Shift the Java contents with:
```
mv /tmp/jdk-10* /usr/lib/jvm/
```

Installing Oracle Java JDK 10
You can directly Copy & Paste the Commands into Terminal..

update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk-10*/bin/java 1065

update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk-10*/bin/javac 1065

update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk-10*/bin/jar 1065

update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk-10*/bin/javaws 1065

Checking or Setting the System Java Version in Use with

update-alternatives --config java

And for the Java Compiler instead:

sudo update-alternatives --config javac

To Switch of Java Version Just Enter the Selection Number on First, Column. :)

(Optional) Setting JAVA_HOME User Environment Variable.
```
su [myUserName]
```
Or simply:
```
exit
```
And Edit the Bash environment Configuration file
```
nano $HOME/.bashrc
```
Append:
```
export JAVA_HOME=/usr/lib/jvm/jdk-10*
```
Possibly to Check the JDK 10 exact PATH use in another window:
```
ls /usr/lib/jvm/
```
Ctr+x to Save & Exit from nano Editor :)
Next to Load the New Bash Environment:
```
bash
```
Finally, Test New Java JDK 10 Installation.
```
java -version
```

Java IDEs Installation on KDE Neon

Eclipse IDE for Java Development Install on KDE Neon: Installing Eclipse IDE for Java Dev on KDE Neon.

Netbeans IDE for Java Development Install on KDE Neon: Installing NetBeans IDE for Java Dev on KDE Neon.

IntelliJ IDEA 2024 for Java Development Install on KDE Neon: Installing IntelliJ IDEA for Java Dev on KDE Neon.

Now Thanks to Oracle-Sun Corporation you are able to Successfully Start Up with Java 10 Development.

Welcome to Java 10 New Dev Env! ;)