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First program example - Objective C
this example from a Well House Consultants training course
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This example references the following resources:
http://cupsofcocoa.com/2010/09/03/objective-c-lesson-1-hello-world/

Source code: hello.m Module: C501
/* First program example - Objective C
*/


#import <Foundation/Foundation.h>

int main (int argc, const char * argv[])
{
        /* Reference counting, memory allocation and garbage collection is a big thing */
        /* Resources grab and release - gettin easier release by release of iOS */

        NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

        NSLog (@"This is an iOS style String!"); /* To Log File */
                /* Following line is just a demo in this "hello world example to show
                you that you have C under there! */

        printf ("And this is an old fashioned C string\n"); /* Direct */

        [pool drain];
        return 0;
}

/*

Compile time:

wizard:ios graham$ gcc hello.m -o hello -ObjC -framework Foundation -framework CoreLocation
wizard:ios graham$

Run time:

wizard:ios graham$ ./hello
2012-01-28 07:05:30.616 hello[4925:903] This is an iOS style String!
And this is an old fashioned C string
wizard:ios graham$

With thanks to:
see http://cupsofcocoa.com/2010/09/03/objective-c-lesson-1-hello-world/

*/

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