Changes introduced with macOS 10.15 (Catalina) cause certain Java applications to behave incorrectly. Therefore, we cannot certify any JDK version on macOS 10.15 yet. However, as of now, you can install and run non-notarized software on macOS 10.15 systems by modifying your security preferences.
Read moreDo I need Java on my Mac 2020?
Java is not required and is not preinstalled in OS X. There are 2 sides to Java. The web browser plug-in/extension – this is the BAD form, as it has been nothing but security holes.
Read moreDoes Mac OS have Java?
Mac OS X 10.6 and below: Apple’s Java comes pre-installed with your Mac OS . Mac OS X 10.7 (Lion) and above: Java is not pre-installed with Mac OS X versions 10.7 and above. To get the latest Java from Oracle, you will need Mac OS X 10.7. 3 and above.
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