Objective C variable counting [duplicate]

Answer 1

You can access each values the following code.

UILabel *label1;
UILabel *label2;
UILabel *label3;
NSArray *array = @[label1, label2, label3];
for (int i = 0; i<3; i++) {
    [array objectAtIndex:i];
}

Adding values to NSArray is available for initializing it. If you want to add values later, you can use NSMutableArray.

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I modified my code.

UILabel *label1 = [[UILabel alloc] init];
UILabel *label2 = [[UILabel alloc] init];
UILabel *label3 = [[UILabel alloc] init];
NSArray *array = @[label1, label2, label3];
for (int i = 0; i<3; i++) {
    UILabel *label = [array objectAtIndex:i];
    label.frame = CGRectMake(0, i*100, 150, 80);
    label.text = [NSString stringWithFormat:@"label%d", i];
    [self.view addSubview:label];
}