In conclusion, run the java -version command to be sure that the system accepts our changes. Important here is know what version you want to set (11 in this case).Īfter, we update our PATH variable to include the JAVA_HOME/bin scripts. OpenJDK 64-Bit Server VM 18.9 (build 11.0.2 9, mixed mode)įirst, we set our JAVA_HOME variable with the /usr/libexec/java_home script. OpenJDK Runtime Environment 18.9 (build 11.0.2 9) So, now let’s put our desired OpenJDK to use with the following command: Setting MacOS Java version # export JAVA_HOME=`/usr/libexec/java_home -v 11` This command is a macOS-ready script to deal with Java versions and that’s the reason why I recommended putting our JDK in that specific directory. However, macOS has some specific things.įirstly, as a good habit, I recommend to extract the java JDK 11 in the directory /Library/Java/JavaVirtualMachines/ (that’s why we need an admin user).įurther, run the command below in the terminal: MacOS Java versions # /usr/libexec/java_home -Vġ5, x86_64: "OpenJDK 15" /Library/Java/JavaVirtualMachines/jdk-15.jdk/Contents/Homeġ4.0.1, x86_64: "Java SE 14.0.1" /Library/Java/JavaVirtualMachines/jdk-14.0.1.jdk/Contents/Homeġ1.0.2, x86_64: "OpenJDK 11.0.2" /Library/Java/JavaVirtualMachines/jdk-11.0.2.jdk/Contents/Homeġ.8.0_181, x86_64: "Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin: /usr/local/lib/jdk-11.0.2/bin 2.2.2 MacOS InstallationĪ little bit different from Linux installation, in macOS, we make the setup also in the terminal. To be sure if our setting up worked, run an echo command in the terminal. So, will look like that: Linux setup example # export JAVA_HOME="/usr/local/lib/jdk-11.0.2/" In my Linux example, I’ve downloaded the OpenJDK to the /usr/local/lib directory. On Linux, we open a Terminal and type the commands below to determine the JAVA_HOME variable and add the JDK in the PATH. To install JDK 11 we can use an admin user and a file extracted to a proper place, now we going to put in our system path the source of OpenJDK. ![]() Also, we need a user with administrator privileges because in the next steps we’ll change some system stuff to make our JDK ready for use. Choose the correct version for your current operating system and download it to your computer.Īfter download, extract the file to a place of your preference. ![]() The OpenJDK 11 is available for Linux, macOS, and Windows. For the purpose of this article, we going to download the 11.0.2 (build 11.0.2 9) version. To download the OpenJDK 11 access the official community archive site here. Download and Installation 2.1 Download java JDK 11 In the next sessions, we’ll see how to download and install the OpenJDK 11 and dive into its features. So, if you want to use Java in your production application, a fee to Oracle is needed.īut, the OpenJDK came as an alternative to this and you can use it as well with the same features and APIs from Oracle patches. This version of JDK is the alternative for Oracle JDK that is paid now from version 11 of Java SE. OpenJDK 11 is the open-source reference implementation of version java JDK 11 of the Java SE Platform as specified by JSR 384 in the Java Community Process. If Java is already installed, this means that the keys exist, and the installer does not overwrite them.In this article, we going to see how to download and install OpenJDK 11 and present its features with some examples for java JDK 11. Please note that the MSI Installer creates the Generic keys only if Oracle Java has not yet been installed on the computer. The MSI Installer creates registry keys during Azul Zulu installation and removes these keys during uninstallation. Where in zulu-jre stands for the version of Azul Zulu, for example, zulu-11-jre. HKCU\SOFTWARE\Azul Systems\Zulu 32-bit\zulu. HKCU\SOFTWARE\Azul Systems\Zulu 32-bit\zulu-jre HKLM\SOFTWARE\WOW6432Node\JavaSoft\Java Development Kit HKLM\SOFTWARE\WOW6432Node\Azul Systems\Zulu 32-bit\zulu. HKLM\SOFTWARE\JavaSoft\Java Development Kit HKLM\SOFTWARE\WOW6432Node\JavaSoft\Java Runtime Environment HKLM\SOFTWARE\WOW6432Node\Azul Systems\Zulu 32-bit\zulu-jre HKLM\SOFTWARE\JavaSoft\Java Runtime Environment The table below shows the registry keys created during the installation of various types of Azul Zulu packages. Per-user installation creates only Azul Zulu keys. Generic keys are typically created by Java installers and are used to ensure Azul Zulu is compatible with other tools such as Launch4j and WinRun4J. Per-machine installation creates Azul Zulu keys and Generic keys.
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