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When you are about to download new software on Mac, developers may have generated multiple app containers (. dmg files) that install the software program in different ways depending on the operating system (macOS) and Java versions on your machine. In these situations, and others, it is very important to be able to quickly find out your Java and JDK versions on Mac. In recent versions of Java for macOS, the default install location for some files has changed and the places to look to determine your Java version, or Java JDK (“Java Development Kit” technically, now Java SE Development Kit, which stands for “Java Platform, Standard Edition Development Kit” downloads here) version, have also changed accordingly. There are two ways that I recommend checking your Java version, and there is one procedure that I like to use to check which JDK is currently in use on my MacBook Pro. This one is the easiest option for most users that like using the traditional, visual approach to computing on macOS. Now SQuirreL should start with your downloaded JDK.The Java preferences open in a separate window, called “Java Control Panel.” In Java Control Panel, do either Simply open System Preferences (“Apple > System Preferences”), and then click “Java” (you will see the Java icon). This will start SQuirreL's MacOS-Installer.Īfter SQuirreL is installed you have to tell it to use your downloadedĪfter the comment at the beginning of the file add the line

Open a command line terminal in the director of your SQuirreL download Unpack the JDK tar.gz file in some directory of your choice.ĭownload your preferred MacOS version of SQuirreL. I downloaded the latest snapshot for the Mac and after starting it, I get the message from the Java Version Checker thatMy JVM must be 11->17 and that I am using 1.8.0_321 (via the Java launcher).ĭepending on your Mac's architecture.