One of the greatest advantages of Java is that it is platform-independent. As with the link we created above, you need to do this on your own. When Homebrew installs it as keg-only, this means that it installs it into its own Homebrew directory and does not automatically set up the path, create links or set up compiler settings in your shell profile. You can even install it by downloading it with your web browser and installing it from your desktop, but in my opinion, Homebrew is the easiest way to install it and ensure you get the latest version. Yes, there are other ways to install Java without Homebrew. FAQsīelow are a few questions I often see when talking about Java installations. It contains the javac compiler, libraries, and other components you need to create a java application that will run on JRE. This is a set of tools that you need to develop applications in Java. It is used to run any java apps you write and java applications you might download. This is the part of Java that actually runs Java applications and applets. You may understand that they are part of Java but may also wonder what the difference is between them. When working with and installing Java, you may see references to JRE and JDK and wonder what these are. In the example above, it would be 18.0.1.1. You should get a response showing the same version as the java version you just installed. You will see a command not found message or something similar if it is not installed. If you already have it installed, it will come back with the current version on your machine. You can check if you currently have Java installed with the following command. You could proceed with the new install if there is a more recent version and you wish to upgrade.
If there is another version, you may want to take note of the version. There’s a chance it could have already been installed by another application. Before starting the installation, I first recommend checking to see if you already have a version of Java on your Mac. Once you install Homebrew, you are now ready to install Java. You can take a look here for more information on installing Homebrew. Once it starts, it will walk you through the installation, and you will only need to answer a few simple questions. You can install it using the following command. If it says something like command not found, you do not have it installed and will need to install it.
It will give you a response showing the version if you already have it installed.
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