如何快速將對象添加為 NSMutableArray 中的 NSMutableArray

Question

我想addObject的NSMutableArray到NSMutableArray ，所以我怎么能在迅速實現這一目標。 並檢索它，所以請幫助我，因為現在我正在快速學習。

間接說我想要二維數組意味着NSMutableArray的NSMutableArray 。

//The below 2 lines iterative!
var dict:NSMutableDictionary? = NSMutableDictionary();
 linePointsArray!.addObject(dict!);

// and below 2 line is execute after complete the above iteration
 arrLine!.addObject(linePointsArray!);
 linePointArray!.removeAllObject();

//after that the above whole process is done iterative.

Answer 1

如果我沒有錯，你想在另一個 NSMutableArray 中添加一個 NSMutableArray 的對象，你可以通過以下代碼來完成

var myArray : NSMutableArray = ["Hello"]
var arrayOfArray : NSMutableArray = [myArray]

// Insert more arrays with insertObject or addObject

arrayOfArray.insertObject(myArray, atIndex: 0)
arrayOfArray.addObject(myArray)

//Retrive
var newArray:NSMutableArray = arrayOfArray[0] as NSMutableArray
println("\(newArray)")

對於 Swift 3：

var myArray : NSMutableArray = ["Hello"]
var arrayOfArray : NSMutableArray = [myArray]

// Insert more arrays with insertObject or addObject

arrayOfArray.insert(myArray, at: 0)
arrayOfArray.add(myArray)

//Retrive
var newArray:NSMutableArray = arrayOfArray[0] as! NSMutableArray
print("\(newArray)")

Answer 2

下面是一個例子：

var mutableArray: NSMutableArray = []
var nestedMutableArray: NSMutableArray = []
mutableArray.addObject(nestedMutableArray)
var retrievedNestedMutableArray:NSMutableArray = mutableArray[0] as NSMutableArray

Answer 3

var nameArray: NSMutableArray = ["Hello", "I", "am", "Smith"]
var arrayOfnameArray: NSMutableArray = [nameArray]

arrayOfArray.add(nameArray)

// Retrieve
var newArray:NSMutableArray = arrayOfnameArray[0] as! NSMutableArray
print("\(newArray)")