Gpg: key B1998361219BD9C9: public key "Azul Systems, Inc. Output: Executing: /tmp/apt-key-gpghome.PgxUnr6sbZ/gpg.1.sh -keyserver hkp://:80 -recv-keys 0xB1998361219BD9C9 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. Zulu is free and open source community distributions for OpenJDK. Step #5: Setting the JAVA_HOME Environment Variables for Zulu OpenJDK Version 11.Step #3: Install Zulu OpenJDK Version 11 on Ubuntu.Step #1: Import the Zulu Repository Key for Ubuntu.Now open a Terminal (Ctrl+Alt+T on Ubuntu) and run the following command to update the package repository cache of your Ubuntu operating system. Once you’re done enabling them, click on “Close”. rootlocalhost: jshell Command jshell not found, but can be installed with: apt install openjdk-11-jdk-headless version 11.0.7+10-3ubuntu1, or apt install openjdk-13-jdk-headless version 13.0.3+3-1ubuntu2 apt install openjdk-14-jdk-headless version 14.0. Make sure you have all of these repositories, ‘main’, ‘universe’, ‘restricted’, ‘multiverse’ enabled. To do that, first open “Software & Updates” from the Application Menu. Before you can install OpenJDK 9, you must enable Ubuntu ‘universe’ package repository. OpenJDK 9 is in the ‘universe’ repository of official Ubuntu package repository. In this article, I will show you how to install OpenJDK, a free and open source version, on Ubuntu 17.10 Artful Aardvark. JDK is a collection of tools required to develop, debug, package Java applications. On the command line, type: sudo apt-get install openjdk-7-jre. If you want to develop Java programs then install the java-1.8.0-openjdk-devel package. Programmers use Java Development Kit or JDK to compile and run Java programs. The java-1.8.0-openjdk package contains just the Java Runtime Environment. That is why it is so popular and billions of devices have Java installed. So Java can be compiled once and run everywhere. But the Java byte code is platform independent. JVM on Linux is different than JVM on Mac OS or Windows and so on. That is, JVM on Windows is different than JVM on Linux or Mac OS.
As a computer can only understand machine language, it is the JVM that is responsible for running a Java program.
Then a Java Virtual Machine or JVM is used to translate the Java byte code into machine language. It compiles to Java byte code using the Java compiler. But it doesn’t compile Java code to machine language directly. Download the Apache Kafka binary files from its official download website. Java is a high level programming language. java -version openjdk version '11.0.9.1' OpenJDK Runtime Environment (build 11.0.9.1+1-Ubuntu-0ubuntu1.20.04) OpenJDK 64-Bit Server VM (build 11.0.9.1+1-Ubuntu-0ubuntu1.20.04, mixed mode, sharing) Step 2 Download Latest Apache Kafka.
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