'Very nice tutorial.' J.H., September 18, 2018 'Hi! Thanks for a great tutorial.' R.D., April 4, 2018 'Super good tutorial to make a hard job simple.' G., April 23, 2014 'Great Tutorial.
Didn't expect that 'write some java, compile and run it' can be so easy.' C.S., October 16, 2013 'Fantastic! Much appreciated =)'T.B., April 15, 2013 'It just works!
![Java Jar For Mac Java Jar For Mac](http://kortham.net/temp/jarBuilder1.png)
JAR (Java Archive) is a platform-independent file format that aggregates many files into one. Multiple Java applets and their requisite components (.class files, images and sounds) can be bundled in a JAR file and subsequently downloaded to a browser in a single HTTP transaction, greatly improving the download speed.
J.G., January 18, 2012 'Thank you for your 'Mac Java!' Tutorial on bundling a JAR and making an installer. It couldn't be any better!!!' Anonymous, October 20, 2011 'ce que je cherchais, merci'A.M., May 3, 2010.
![Where Where](http://1.bp.blogspot.com/-Gq1y0zaYH-c/VMugfvLNuEI/AAAAAAAACb4/X_2nEO-MaVY/w1200-h630-p-k-no-nu/What%2Bis%2Binside%2Brt%2BJAR%2Bfile.png)
Attention, Internet Explorer User Announcement: Oracle Community has discontinued support for Internet Explorer 7 and below. In order to provide the best platform for continued innovation, Oracle Community no longer supports Internet Explorer 7. Oracle Community will not function with this version of Internet Explorer. Please consider upgrading to a more recent version of Internet Explorer, or trying another browser such as Firefox, Safari, or Google Chrome.
(Please remember to honor your company's IT policies before installing new software!).