1) brew cask install java 2) java -version java version '' Java(TM) SE Runtime Environment (build -b11) P.S - Cask is an extension to Homebrew that is intended to manage large Mac binaries and graphical applications, but using the Homebrew interface. Go to and choose the 'Developer' tab for juicy details. JDK up to 1.4.1 and development tools are free downloads/updates from Apple (and I think the recent software update brings 1.4.1 to the masses). Java runtime 1.3.1 comes bundled with the OS. There can be multiple JDKs installed on a system, as many as you wish. See 'Note for Users of OS X that Include Apple Java 6 Plug-in'. If you have not yet installed Apple's Java OS X 2012-006 update, then you are still using a version of Apple Java 6 that includes the plug-in and the Java Preferences app. Jar Bundler is distributed with the other developer tools and is located in Developer/Applications/.
If you develop on Mac OS X you can use the Jar Bundler application to turn jar files into Mac OS X applications.
Creating 'Native' Java Applications on Mac OS X.