We need both of them in Ubuntu for you to be able to comfortably develop and test your Java applications. Step 2 Install JAVA (OpenJDK) Use the below command to install OpenJDK on your Debian based systems using the package manager from the default repository. If you don’t have any other versions of Java installed you can safely skip this part. Zulu is free and open source community distributions for OpenJDK. Step #1: Import the Zulu Repository Key for Ubuntuįirst add the Zulu Repository Key for Ubuntu using below commands, sudo apt-key adv -keyserver hkp://:80 -recv-keys 0xB1998361219BD9C9 It has Zulu OpenJDK 6, 7, 8, 9, 10, 11, 12, 13, 14, and 15 EA which support for Linux, Windows, Solaris, Mac OS, etc., OS types. Output: Executing: /tmp/apt-key-gpghome.PgxUnr6sbZ/gpg.1.sh -keyserver hkp://:80 -recv-keys 0xB1998361219BD9C9 The first and most recommended option is to install OpenJDK using the default Ubuntu 22.04 repository. In your terminal, use the following command. apt-cache search openjdk-11 grep openjdk-11 Example output: As the above output states, OpenJDK 11 JDE and JRE are available to install. Next, you have the choice of installing OpenJDK using two different methods.
Gpg: key B1998361219BD9C9: public key "Azul Systems, Inc. The first and most recommended option is to install OpenJDK using the default Ubuntu 20.04 repository.
This guide will show you how to install the Open Java Development Kit (OpenJDK) 11 on Ubuntu 20.04. OpenJDK is the free and open-source implementation of the Oracle Java Standard Edition (Java SE) Development Kit.
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