How to Install and Uninstall openjdk-21-jdk-headless Package on Ubuntu 24.04 LTS (Noble Numbat)

Last updated: May 18,2024

1. Install "openjdk-21-jdk-headless" package

This guide covers the steps necessary to install openjdk-21-jdk-headless on Ubuntu 24.04 LTS (Noble Numbat)


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

This is a short guide on how to uninstall openjdk-21-jdk-headless on Ubuntu 24.04 LTS (Noble Numbat):


    
        
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                sudo apt remove
            
                        
                openjdk-21-jdk-headless
            
                    
    
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                sudo apt autoclean && sudo apt autoremove
            
                    
    
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3. Information about the openjdk-21-jdk-headless package on Ubuntu 24.04 LTS (Noble Numbat)

Package: openjdk-21-jdk-headless
Architecture: amd64
Version: 21.0.2+13-2
Multi-Arch: same
Priority: optional
Section: java
Source: openjdk-21
Origin: Ubuntu
Maintainer: OpenJDK Team
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 93688
Provides: java-compiler, java-sdk-headless (= 21), java10-sdk-headless, java11-sdk-headless, java12-sdk-headless, java13-sdk-headless, java14-sdk-headless, java15-sdk-headless, java16-sdk-headless, java17-sdk-headless, java18-sdk-headless, java19-sdk-headless, java2-sdk-headless, java20-sdk-headless, java21-sdk-headless, java5-sdk-headless, java6-sdk-headless, java7-sdk-headless, java8-sdk-headless, java9-sdk-headless
Depends: openjdk-21-jre-headless (= 21.0.2+13-2), libc6 (>= 2.34), zlib1g (>= 1:1.1.4)
Suggests: openjdk-21-demo, openjdk-21-source
Breaks: openjdk-17-jre-headless (<< 17~10), openjdk-21-jre-headless (<< 21~27ea)
Replaces: openjdk-17-jre-headless (<< 17~10), openjdk-21-jre-headless (<< 21~27ea)
Filename: pool/main/o/openjdk-21/openjdk-21-jdk-headless_21.0.2+13-2_amd64.deb
Size: 82464754
MD5sum: 34750c886f47fd20bc2bcd2761718033
SHA1: 0bbb30ee6d27300a7e80f0c366cfc95032944560
SHA256: 43f83869560e2bf359ca1d635eeb4a61af15ca2581b2dacb7c6abdc0d68318c0
SHA512: 327c3689c70e1068c3f39373ff728a62e3204c4838ec8240a3436ad661c7a5fee96204c3fac8a7f4dc89f29ac6a09b17ff206286dfb7c7f6a0f953678ecbbe2a
Homepage: https://openjdk.java.net/
Description: OpenJDK Development Kit (JDK) (headless)
Description-md5: 494a52f34d707a832270d6d51a78f511