double myDouble = 3.14; //******************** Initializing NSNumber Object ************************* //** NSNumbers need to be released, if you`re not working with ARC! ** NSNumber *myDoubleNumber = [[NSNumber alloc]initWithDouble:myDouble]; NSLog(@"myDoubleNumber: %@", myDoubleNumber);
2012-05-20 19:26:47.831 NSNumberSample[818:f803] myDoubleNumber: 3.14