How to Install and Uninstall openjdk-21-demo Package on Ubuntu 22.04 LTS (Jammy Jellyfish)

Last updated: November 23,2024

You can also install and uninstall the openjdk-21-demo on the following distributions in the same way, as they are all based on the Ubuntu system

Kubuntu 22.04 LTS
Lubuntu 22.04 LTS
Xubuntu 22.04 LTS
Ubuntu MATE 22.04 LTS
Ubuntu Studio 22.04 LTS
Pop!_OS 22.04 LTS
Zorin OS 16 / Zorin OS 17
Ubuntu Budgie 22.04

1. Install "openjdk-21-demo" package

Here is a brief guide to show you how to install openjdk-21-demo on Ubuntu 22.04 LTS (Jammy Jellyfish)


    
        
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                sudo apt update
            
                    
    
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                sudo apt install
            
                        
                openjdk-21-demo
            
                    
    
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2. Uninstall "openjdk-21-demo" package

Please follow the steps below to uninstall openjdk-21-demo on Ubuntu 22.04 LTS (Jammy Jellyfish):


    
        
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                sudo apt remove
            
                        
                openjdk-21-demo
            
                    
    
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                sudo apt autoclean && sudo apt autoremove
            
                    
    
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3. Information about the openjdk-21-demo package on Ubuntu 22.04 LTS (Jammy Jellyfish)

Package: openjdk-21-demo
Architecture: amd64
Version: 21.0.2+13-1~22.04.1
Priority: optional
Section: universe/java
Source: openjdk-21
Origin: Ubuntu
Maintainer: OpenJDK Team
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 5720
Depends: openjdk-21-jre (= 21.0.2+13-1~22.04.1)
Filename: pool/universe/o/openjdk-21/openjdk-21-demo_21.0.2+13-1~22.04.1_amd64.deb
Size: 3193232
MD5sum: 12aca4e526269805f6607d79436dcb16
SHA1: 442d0a4959c629f2a62433c45ad7caa0a446d3ed
SHA256: a6a8e7cc0f5a7f3f0d200a1c02a09d8f9dd84b86adee6676468330f632e1af7c
SHA512: 82474d97a419742f0cb80448343adf965f7eea4ff57b6c20b081074ac1af59b82e73967d3abf77d7898546874b8557a1c776c0d69a1f473c49556a77a78e11aa
Homepage: https://openjdk.java.net/
Description: Java runtime based on OpenJDK (demos and examples)
Description-md5: 8c587e17f25fb354ef51e27e56507756