iphone - How to add array values in a string in ios -

can please tell me how put array values[adding values] string or integer.

suppose array a=[1,2,3].

after adding(+ action) should like

string=1+2+3=>6

thanks , regards,

use kvc collection operator

nsarray *array =@[@(1),@(2),@(3)]; nslog(@"sum : %@", [array valueforkeypath:@"@sum.self"]);

And