Difference between revisions of "Setting up Java"

From Exilent
 
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Exilent currently supports only Java version 8.
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Exilent requires '''Java 11+ JRE/JDK''' installed. On '''Mac''' it best works with Oracle JDK.
  
== Verify your Java version ==
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== Verify default Java version ==
Even if you install a new Java on your computer it is possible that an older version of Java is still set as the default Java runner.
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There can be several Java versions installed on your computer. When you double click a JAR file it will be executed on the Java version which is set as default.
  
Open up a terminal where you can type commands (Windows: Start - Command Prompot, Mac: Finder - Terminal).
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https://i.imgur.com/RhBjx8v.png
  
Type: java -version
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Open up a Command Prompt/Terminal and type '''java -version'''. This will print out the current default Java version.
  
https://i.imgur.com/giWilQt.png
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https://i.imgur.com/LnxBqAX.png
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12.x.x means Java 12.
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== Removing other Java versions ('''Mac''') ==
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If you are '''on Mac''' you have to remove other versions of Java first.
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To do this, download the installer of the java that you currently have installed, run it and select uninstall.
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== Installing Java ==
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=== AdoptOpenJDK ===
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Go to: https://adoptopenjdk.net
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Choose a Version: OpenJDK 11 (LTS) or OpenJDK 16 (Latest)
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Choose a JVM: Hotspot
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Select your platform.
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Download and install.
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=== Oracle JDK===
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Go to: https://www.oracle.com/java/technologies/downloads/
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Select your platform.
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Download and Install.
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{{See also|Getting started}}

Latest revision as of 22:33, 19 October 2022

Exilent requires Java 11+ JRE/JDK installed. On Mac it best works with Oracle JDK.

Verify default Java version

There can be several Java versions installed on your computer. When you double click a JAR file it will be executed on the Java version which is set as default.

RhBjx8v.png

Open up a Command Prompt/Terminal and type java -version. This will print out the current default Java version.

LnxBqAX.png

12.x.x means Java 12.

Removing other Java versions (Mac)

If you are on Mac you have to remove other versions of Java first.

To do this, download the installer of the java that you currently have installed, run it and select uninstall.

Installing Java

AdoptOpenJDK

Go to: https://adoptopenjdk.net

Choose a Version: OpenJDK 11 (LTS) or OpenJDK 16 (Latest)

Choose a JVM: Hotspot

Select your platform.

Download and install.

Oracle JDK

Go to: https://www.oracle.com/java/technologies/downloads/

Select your platform.

Download and Install.

See also: Getting started