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Minecraft | How to Change Java Version (8, 11 and 16)

Some versions of minecraft require a specific java version, here you can change which you want to use. The changes will only take effect after you restart your server.
Do not change your Java Version unless you know what you need.

Go to your and click View on your server.

Click Server Details on the left side

On the bottom right, you will see Docker Image

If it says Java 11, then you're currently on Java 11

Once you choose your Java Version, click Save and Restart your server

All done! You've updated your Java Version!
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