Converting Swift Array to NSData for NSUserDefaults.StandardUserDefaults persistent storage

Question

I\'m trying to get my head around Swift (after being relatively competent with Obj-C) by making a small app. I would like to use NSUserDefaults to persistently save a small

Answer 1

value of "financialData" should be in quotes:

NSUserDefaults.standardUserDefaults().setObject("costCategoryArray", forKey: "financialData")
NSUserDefaults.standardUserDefaults().synchronize()