Cocoa Maker 4 - Loops and Goto

James ( MrGeckosMedia.com ), joined by, Eduardo ( MegaEduX.com ), and Karl, teaches how loops, arguments, and goto works in Cocoa. 15:35 Example code from episode. Loops Example <Foundation/Foundation.h> int main (int argc, const char * argv[]) { NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; int i=0; while (i!=2) { NSLog(@"%d", i); i++; } i=0; do { NSLog(@"%d", i); i++; } while (i!=3); NSArray *anArray = [NSArray arrayWithObjects:@"Apples", @"Oranges", @"Grapes", @"Bananas", nil]; for (int d=0; d<[anArray count]; d++) { NSLog(@"%@", [anArray objectAtIndex:d]); } NSString *theObject; for (theObject in anArray) { NSLog(@"For In: %@", theObject); } NSEnumerator *theEnumerator = [anArray objectEnumerator]; while (theObject = [theEnumerator nextObject]) { NSLog(@"Enumerator: %@", theObject); } [pool drain]; return 0; } Goto Example <Foundation/Foundation.h> void testGoto() { NSString *theString = [NSString new]; if (1==12) { goto Error; } goto Cleanup; Error: NSLog(@"An error occurred"); goto Cleanup; Cleanup: NSLog(@"Releasing the string"); [theString release]; } int main (int argc, const char * argv[]) { NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; testGoto(); [pool drain]; return 0; } Keynote used in this Episode Keynote in PDF Format

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Cocoa Maker 4 - Loops and Goto is an episode from Cocoa Maker by Mr. Gecko.

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This episode was published on Feb 22, 2010.

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