Add and Get double value or numbers in a mutable array in iphone.

        

        code here :

        NSString *str = @"1.22222222";

double d = [str doubleValue];

arrForDoubleValue = [[NSMutableArray alloc] init];

[arrForDoubleValue addObject:[NSNumber numberWithDouble:d]];

for(int i = 0; i<[arrForDoubleValue count];i++)

{

double a = [[arrForDoubleValue objectAtIndex:i]doubleValue];

NSLog(@"%.8lf",a);

}