Is Java runtime pre-installed on MAC OSX?

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Asked 16/12, 2012 at 5:24 Answered 16/12, 2012 at 5:28

I need to port a java desktop app for mac os-x. The app will be launched via JNLP. Is the Java runtime environment pre-installed on MAC-OSX ?

Randle answered 16/12, 2012 at 5:24 Comment(1)

Use the deployJava.js script to write the link to the JNLP. If the right minimum version of Java is not installed (and there is a version available) it will guide the user through installing it. – Mhd 16/12, 2012 at 5:33

In general. Java 5 or Java 6 was preinstalled on Mac OS X up to 10.6, but this ceased in 10.7.

Besides, a recent Mac OSX update uninstalls the version of Java 6 plugin previously supported by Apple. Apple have never supported Java 7.

https://blogs.oracle.com/thejavatutorials/entry/apple_s_java_mac_os

You (or your users) need to download and install Java 7 for the Mac from Oracle. But @Andrew Thompson's comment (see above) offers a good way to smooth that "speed bump".

Fisk answered 16/12, 2012 at 5:28 Comment(1)

The update does not uninstall Java 6. It uninstalls the applet plugin from all of your web browsers, and the webstart functionality needed to launch jnlp files, and a few other things. Java 6 remains on your system if it was installed. – Burchell 21/5, 2013 at 9:25

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