Hi John, On the Mac, you would normally use "Command" + "Q". In at least the Linux appplications I have used, the command for closing GUI programs is "Alt" + "F4". I hope this helps. regards, Alex, On 2010-11-26, at 5:24 PM, John J. Boyer wrote: > I am talking about the Java program as a whole. Alt-f4 terminatges GUI > programs on Windows. What is the corresponding keystroke o n the Mac? > The subcommands will usually start the GUI in special modes, such as a > bare-bones text editor. So if a user hits alt-f4 I suppose the jre will > throw an exception. I want to catch that exception and try to terminate > gracefully. Can I do it in the main method? > > John > > On Fri, Nov 26, 2010 at 11:27:12AM -0800, Alex Jurgensen wrote: >> Hi John, >> >> Are we talking on the command-line or from the GUI? The commands you listed >> for the Mac nd Linux are the ones used to xit programs on the command-line >> before they have completed. >> >> Regards, >> Alex, >> >> >> On 2010-11-26, at 11:09 AM, John J. Boyer wrote: >> >>> What happens of someone gets disgusted with the way things are going and >>> hits alt-f4 in Windows or control-c in Mac or Linux? Suppose a fatal >>> runtime error occurs? What exceptions will Java throw? Can I catch them >>> in the main method and attempt to clean things up before exiting? >>> >>> Thanks, >>> John >>> >>> -- >>> John J. Boyer; President, Chief Software Developer >>> Abilitiessoft, Inc. >>> http://www.abilitiessoft.com >>> Madison, Wisconsin USA >>> Developing software for people with disabilities >>> >>> >> >> Alex Jurgensen, >> VoiceOver Trainer, >> ASquared21@xxxxxxxxxxxxxxxxx >> >> Visit us on the web at: www.vipbc.org >> > > -- > John J. Boyer, Executive Director > GodTouches Digital Ministry, Inc. > http://www.godtouches.org > Madison, Wisconsin, USA > Peace, Love, Service > > Alex Jurgensen, VoiceOver Trainer, ASquared21@xxxxxxxxxxxxxxxxx Visit us on the web at: www.vipbc.org