Updating java on mac
Note that installing the JDK on OS X is performed on a system wide basis, for all users, and administrator privileges are required. To install a lower version of the JRE, first uninstall the current version as described in "Uninstalling the JRE". The one exception is that the system will not replace the current JRE with a lower version.Under Apple's implementation of Java, it was possible to have multiple JREs installed.The Java Preferences application was used to determine the first compatible version that would be used.
Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Other company and product names may be trademarks of their respective owners.Apple makes no representations regarding third-party website accuracy or reliability. You can update Java by downloading the newer version from Oracle directly When you install the installer would delete the older version for you.Upon starting the installation process, the installer automatically detects your current java version, either deletes it and does a complete reinstall or just updates your version.You can set the security level from within the Java Control Panel so that you are notified before any untrusted Java applications will be run, or the application will automatically be blocked.