Java is a general-purpose, secure, robust, object-oriented language developed by Sun Microsystems in 1990. Java is portable which means it follows to write once run anywhere paradigm. Many of the useful application are build on Java and required Java runtime environment. If you are preparing your system for the developing new java applications, you need to install JDK on your machine.
- Oracle strongly suggests to now use the term JDK to refer to the Java SE Development Kit. The Java EE SDK is available with or without the JDK, by which they specifically mean the Java SE 7 JDK. Follow below steps to install JDK on Mac OS High Sierra 10: Open your browser; go to Oracle JDK Download URL; Click on Download Image. Accept the licence.
- The last time this kind of thing bit me I was inadvertently installing the run-time Java (which is what Apple usually provides a link to) on my server, not the full Java SDK (which has the compilers and stuff you need to do developmentn).
The latest version is Java 15 which was released in September 15, 2020. This tutorial helps you to install Java on macOS system.
Step 1 – Prerequisites
Before starting the installation of Java using this tutorial you must have the following prerequisites
- Terminal: You must have Mac Terminal access and little knowledge about working with the terminal application. Ao login to your Mac system and open terminal
- Homebrew: This tutorial relies on Homebrew, So you must have homebrew installed. Homebrew can be installed with a single command.
For more instruction visit Homebrew installation tutorial.
Download Java for OS X 2017-001 Java for macOS 2017-001 installs the legacy Java 6 runtime for macOS 10.13 High Sierra, macOS 10.12 Sierra, macOS 10.11 El Capitan, macOS 10.10 Yosemite, macOS 10.9 Mavericks, macOS 10.8 Mountain Lion, and macOS 10.7 Lion.
Step 2 – Install JAVA on macOS
At the time of writing this tutorial the available version, Java 11 LTS and Java 15 latest for the installation.
- Tap adoptopenjdk/openjdk- Use the following commands to view the details about java versions to be install.
- Search Available JDK- View all the available Java versions to install
- Install Java – Use one of the following commands to install Java 8, 9, 10, 11, 12, 13, 14 and 15. Generally, we required Java 8, 11 LTS versions.
The installation process may take some time to complete depending on your network speed.
- Check Version – Once the installation finished, verify the installed Java version.
Default latest installed version will be active on your machine.
Step 3 – Switching Between Java Version’s
You system may have installed multiple Java versions. For example, I have installed Java 8, 11 and 15 on my system. To view the installed Java version execute:
Create or edit the existing ~/.bash_profile in your favorite text editor. Then export JAVA_HOME environment variable to specific java version, you want to use as default on Mac.
Save file and close it. The above settings will make JAVA_HOME point to JAVA 11.
Execute the following command to reload environment. Why wont stuff download on my macbook air louder.
All done, check the current active java version
When you want to switch JDK version again, update the ~/.bash_profile and export JAVA_HOME to other JDK version.
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Conclusion
This tutorial explained you to how to install Java on macOS. Also provides you steps to switching between multiple installed Java versions.
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You can visit Github page of the OpenJDK casks.