NSMutableArray *array = [NSMutableArray arrayWithCapacity:10]; [array addObject:@"onject1"];
[array addObject:@"object2"];
[array addObject:@"onject3"];
[array addObject:@"object4"];
[array addObject:@"object5"];
NSEnumerator *enumerator = [array objectEnumerator];
id object;
int indexOfObject = 0;
while (object = [enumerator nextObject])
{
NSLog(@"数组中的第@d个对象为:%@", indexOfObject, object);
indexOfObject++;
}
enumerator : 计数者, 计数员,计数器。