code:

NSArray *suits = [NSArray arrayWithObjects:@"C", @"D", @"S", @"H", nil];
NSArray *values = [NSArray arrayWithObjects:@"A", @"2", @"3",@"4",@"5",@"6",@"7",@"8",@"9",@"0",@"J",@"Q",@"K", nil];
    for (NSString *s in suits) {
        for (NSString *v in values) {
            tempCard = [NSString stringWithFormat:@"%@%@", s, v];
            NSLog(@"%@", tempCard);
            [self.deck addObject:tempCard];
        }
    }