比方說,我想創建255個數字對象。創建數字對象
NSMutableArray *arr = [[NSMutableArray alloc]init];
int x = 255;
for(int y = 0; y < x; y++)
{
[arr addObject: [NSNumber //for example NSString have initWithFormat method how to achieve that with NSNumber ?];
}
那麼,該怎麼做?