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Jungpyo Hong 2021-05-21 15:27:41 -05:00 committed by GitHub
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@ -431,6 +431,27 @@ func application(_ application: UIApplication, didFinishLaunchingWithOptions lau
simply move into that path and you can find the documentDirectory of your Application
> if Library is not shown up, just do **Shift + Command + .** to show hidden files in your folder
As you can see in the below, intArray will stored inside the device through UserDefaults(), so that if device is shut down, changed value wil be stored in device.
```swift
class ViewController: UIViewController {
var intArray = [1,2,3,4,5]
let defaults = UserDefaults()
override func viewDidLoad() {
super.viewDidLoad()
intArray = defaults.array(forKey: "IntArray") as! [Int]
}
@IBOutlet weak var textField: UILabel!
@IBAction private func isClicked(_ sender: UIButton) {
intArray.append(6)
defaults.set(intArray, forKey: "IntArray")
textField.text = "\(intArray)"
}
}
```
## Core Data