//create the dictionary
NSMutableDictionary *dictionary = [[NSMutableDictionary alloc] init];
//add keyed data
[dictionary setObject:@”Object One” forKey:@”1″];
[dictionary setObject:@”Object Two” forKey:@”2″];
[dictionary setObject:@”Object Three” forKey:@”3″];
//write out Object Three to the log
NSLog(@”%@”, [dictionary objectForKey:@”3″]);
//release the dictionary
[dictionary release];
//create the mutablearray
NSMutableArray *arrayOfObjects = [[NSMutableArray alloc] init];
[arrayOfObjects addObject:@”Object One”];
[arrayOfObjects addObject:@”Object Two”];
[arrayOfObjects addObject:@”Object Three”];
[arrayOfObjects addObject:@”Object Four”];
[arrayOfObjects addObject:@”Object Five”];
//write out Object to the log
NSLog(@”Object = %@”, [arrayOfObjects objectAtIndex:object no]);