Array.Clone 메서드
정의
중요
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Array의 부분 복사본을 만듭니다.
public:
System::Object ^ Clone();
public:
virtual System::Object ^ Clone();
public object Clone ();
public virtual object Clone ();
member this.Clone : unit -> obj
abstract member Clone : unit -> obj
override this.Clone : unit -> obj
Public Function Clone () As Object
Public Overridable Function Clone () As Object
반환
Array의 부분 복사본입니다.
구현
예제
다음 코드 예제에서는 배열을 System.Globalization.CultureInfo 복제하고 단순 복사본의 동작을 보여 줍니다.
using namespace System;
using namespace System::Globalization;
void PrintIndexAndValues( Array^ myArray );
int main()
{
// Create and initialize a new CultureInfo array.
CultureInfo^ ci0 = gcnew CultureInfo( "ar-SA",false );
CultureInfo^ ci1 = gcnew CultureInfo( "en-US",false );
CultureInfo^ ci2 = gcnew CultureInfo( "fr-FR",false );
CultureInfo^ ci3 = gcnew CultureInfo( "ja-JP",false );
array<CultureInfo^>^arrCI = {ci0,ci1,ci2,ci3};
// Create a clone of the CultureInfo array.
array<CultureInfo^>^arrCIClone = (array<CultureInfo^>^)arrCI->Clone();
// Replace an element in the clone array.
CultureInfo^ ci4 = gcnew CultureInfo( "th-TH",false );
arrCIClone[ 0 ] = ci4;
// Display the contents of the original array.
Console::WriteLine( "The original array contains the following values:" );
PrintIndexAndValues( arrCI );
// Display the contents of the clone array.
Console::WriteLine( "The clone array contains the following values:" );
PrintIndexAndValues( arrCIClone );
// Display the DateTimeFormatInfo.DateSeparator for the fourth element in both arrays.
Console::WriteLine( "Before changes to the clone:" );
Console::WriteLine( " Original: The DateTimeFormatInfo->DateSeparator for {0} is {1}.", arrCI[ 3 ]->Name, arrCI[ 3 ]->DateTimeFormat->DateSeparator );
Console::WriteLine( " Clone: The DateTimeFormatInfo->DateSeparator for {0} is {1}.", arrCIClone[ 3 ]->Name, arrCIClone[ 3 ]->DateTimeFormat->DateSeparator );
// Replace the DateTimeFormatInfo.DateSeparator for the fourth element in the clone array.
arrCIClone[ 3 ]->DateTimeFormat->DateSeparator = "-";
// Display the DateTimeFormatInfo.DateSeparator for the fourth element in both arrays.
Console::WriteLine( "After changes to the clone:" );
Console::WriteLine( " Original: The DateTimeFormatInfo->DateSeparator for {0} is {1}.", arrCI[ 3 ]->Name, arrCI[ 3 ]->DateTimeFormat->DateSeparator );
Console::WriteLine( " Clone: The DateTimeFormatInfo->DateSeparator for {0} is {1}.", arrCIClone[ 3 ]->Name, arrCIClone[ 3 ]->DateTimeFormat->DateSeparator );
}
void PrintIndexAndValues( Array^ myArray )
{
for ( int i = myArray->GetLowerBound( 0 ); i <= myArray->GetUpperBound( 0 ); i++ )
Console::WriteLine( "\t[{0}]:\t{1}", i, myArray->GetValue( i ) );
}
/*
This code produces the following output.
The original array contains the following values:
[0]: ar-SA
[1]: en-US
[2]: fr-FR
[3]: ja-JP
The clone array contains the following values:
[0]: th-TH
[1]: en-US
[2]: fr-FR
[3]: ja-JP
Before changes to the clone:
Original: The DateTimeFormatInfo.DateSeparator for ja-JP is /.
Clone: The DateTimeFormatInfo.DateSeparator for ja-JP is /.
After changes to the clone:
Original: The DateTimeFormatInfo.DateSeparator for ja-JP is -.
Clone: The DateTimeFormatInfo.DateSeparator for ja-JP is -.
*/
using System;
using System.Globalization;
public class SamplesArray {
public static void Main() {
// Create and initialize a new CultureInfo array.
CultureInfo ci0 = new CultureInfo( "ar-SA", false );
CultureInfo ci1 = new CultureInfo( "en-US", false );
CultureInfo ci2 = new CultureInfo( "fr-FR", false );
CultureInfo ci3 = new CultureInfo( "ja-JP", false );
CultureInfo[] arrCI = new CultureInfo[] { ci0, ci1, ci2, ci3 };
// Create a clone of the CultureInfo array.
CultureInfo[] arrCIClone = (CultureInfo[]) arrCI.Clone();
// Replace an element in the clone array.
CultureInfo ci4 = new CultureInfo( "th-TH", false );
arrCIClone[0] = ci4;
// Display the contents of the original array.
Console.WriteLine( "The original array contains the following values:" );
PrintIndexAndValues( arrCI );
// Display the contents of the clone array.
Console.WriteLine( "The clone array contains the following values:" );
PrintIndexAndValues( arrCIClone );
// Display the DateTimeFormatInfo.DateSeparator for the fourth element in both arrays.
Console.WriteLine( "Before changes to the clone:" );
Console.WriteLine( " Original: The DateTimeFormatInfo.DateSeparator for {0} is {1}.", arrCI[3].Name, arrCI[3].DateTimeFormat.DateSeparator );
Console.WriteLine( " Clone: The DateTimeFormatInfo.DateSeparator for {0} is {1}.", arrCIClone[3].Name, arrCIClone[3].DateTimeFormat.DateSeparator );
// Replace the DateTimeFormatInfo.DateSeparator for the fourth element in the clone array.
arrCIClone[3].DateTimeFormat.DateSeparator = "-";
// Display the DateTimeFormatInfo.DateSeparator for the fourth element in both arrays.
Console.WriteLine( "After changes to the clone:" );
Console.WriteLine( " Original: The DateTimeFormatInfo.DateSeparator for {0} is {1}.", arrCI[3].Name, arrCI[3].DateTimeFormat.DateSeparator );
Console.WriteLine( " Clone: The DateTimeFormatInfo.DateSeparator for {0} is {1}.", arrCIClone[3].Name, arrCIClone[3].DateTimeFormat.DateSeparator );
}
public static void PrintIndexAndValues( Array myArray ) {
for ( int i = myArray.GetLowerBound(0); i <= myArray.GetUpperBound(0); i++ )
Console.WriteLine( "\t[{0}]:\t{1}", i, myArray.GetValue( i ) );
}
}
/*
This code produces the following output.
The original array contains the following values:
[0]: ar-SA
[1]: en-US
[2]: fr-FR
[3]: ja-JP
The clone array contains the following values:
[0]: th-TH
[1]: en-US
[2]: fr-FR
[3]: ja-JP
Before changes to the clone:
Original: The DateTimeFormatInfo.DateSeparator for ja-JP is /.
Clone: The DateTimeFormatInfo.DateSeparator for ja-JP is /.
After changes to the clone:
Original: The DateTimeFormatInfo.DateSeparator for ja-JP is -.
Clone: The DateTimeFormatInfo.DateSeparator for ja-JP is -.
*/
open System
open System.Globalization
let printIndexAndValues (myArray: 'a []) =
for i = myArray.GetLowerBound 0 to myArray.GetUpperBound 0 do
printfn $"\t[{i}]:\t{myArray[i]}"
// Create and initialize a new CultureInfo array.
let ci0 = CultureInfo("ar-SA", false)
let ci1 = CultureInfo("en-US", false)
let ci2 = CultureInfo("fr-FR", false)
let ci3 = CultureInfo("ja-JP", false)
let arrCI = [| ci0; ci1; ci2; ci3 |]
// Create a clone of the CultureInfo array.
let arrCIClone = arrCI.Clone() :?> CultureInfo []
// Replace an element in the clone array.
let ci4 = CultureInfo("th-TH", false)
arrCIClone[0] <- ci4
// Display the contents of the original array.
printfn "The original array contains the following values:"
printIndexAndValues arrCI
// Display the contents of the clone array.
printfn "The clone array contains the following values:"
printIndexAndValues arrCIClone
// Display the DateTimeFormatInfo.DateSeparator for the fourth element in both arrays.
printfn "Before changes to the clone:"
printfn $" Original: The DateTimeFormatInfo.DateSeparator for {arrCI[3].Name} is {arrCI[3].DateTimeFormat.DateSeparator}."
printfn $" Clone: The DateTimeFormatInfo.DateSeparator for {arrCIClone[3].Name} is {arrCIClone[3].DateTimeFormat.DateSeparator}."
// Replace the DateTimeFormatInfo.DateSeparator for the fourth element in the clone array.
arrCIClone[3].DateTimeFormat.DateSeparator <- "-"
// Display the DateTimeFormatInfo.DateSeparator for the fourth element in both arrays.
printfn "After changes to the clone:"
printfn $" Original: The DateTimeFormatInfo.DateSeparator for {arrCI[3].Name} is {arrCI[3].DateTimeFormat.DateSeparator}."
printfn $" Clone: The DateTimeFormatInfo.DateSeparator for {arrCIClone[3].Name} is {arrCIClone[3].DateTimeFormat.DateSeparator}."
// This code produces the following output.
// The original array contains the following values:
// [0]: ar-SA
// [1]: en-US
// [2]: fr-FR
// [3]: ja-JP
// The clone array contains the following values:
// [0]: th-TH
// [1]: en-US
// [2]: fr-FR
// [3]: ja-JP
// Before changes to the clone:
// Original: The DateTimeFormatInfo.DateSeparator for ja-JP is /.
// Clone: The DateTimeFormatInfo.DateSeparator for ja-JP is /.
// After changes to the clone:
// Original: The DateTimeFormatInfo.DateSeparator for ja-JP is -.
// Clone: The DateTimeFormatInfo.DateSeparator for ja-JP is -.
Imports System.Globalization
Public Class SamplesArray
Public Shared Sub Main()
' Create and initialize a new CultureInfo array.
Dim ci0 As New CultureInfo("ar-SA", False)
Dim ci1 As New CultureInfo("en-US", False)
Dim ci2 As New CultureInfo("fr-FR", False)
Dim ci3 As New CultureInfo("ja-JP", False)
Dim arrCI() As CultureInfo = {ci0, ci1, ci2, ci3}
' Create a clone of the CultureInfo array.
Dim arrCIClone As CultureInfo() = CType(arrCI.Clone(), CultureInfo())
' Replace an element in the clone array.
Dim ci4 As New CultureInfo("th-TH", False)
arrCIClone(0) = ci4
' Display the contents of the original array.
Console.WriteLine("The original array contains the following values:")
PrintIndexAndValues(arrCI)
' Display the contents of the clone array.
Console.WriteLine("The clone array contains the following values:")
PrintIndexAndValues(arrCIClone)
' Display the DateTimeFormatInfo.DateSeparator for the fourth element in both arrays.
Console.WriteLine("Before changes to the clone:")
Console.WriteLine(" Original: The DateTimeFormatInfo.DateSeparator for {0} is {1}.", arrCI(3).Name, arrCI(3).DateTimeFormat.DateSeparator)
Console.WriteLine(" Clone: The DateTimeFormatInfo.DateSeparator for {0} is {1}.", arrCIClone(3).Name, arrCIClone(3).DateTimeFormat.DateSeparator)
' Replace the DateTimeFormatInfo.DateSeparator for the fourth element in the clone array.
arrCIClone(3).DateTimeFormat.DateSeparator = "-"
' Display the DateTimeFormatInfo.DateSeparator for the fourth element in both arrays.
Console.WriteLine("After changes to the clone:")
Console.WriteLine(" Original: The DateTimeFormatInfo.DateSeparator for {0} is {1}.", arrCI(3).Name, arrCI(3).DateTimeFormat.DateSeparator)
Console.WriteLine(" Clone: The DateTimeFormatInfo.DateSeparator for {0} is {1}.", arrCIClone(3).Name, arrCIClone(3).DateTimeFormat.DateSeparator)
End Sub
Public Shared Sub PrintIndexAndValues(myArray As Array)
Dim i As Integer
For i = myArray.GetLowerBound(0) To myArray.GetUpperBound(0)
Console.WriteLine(vbTab + "[{0}]:" + vbTab + "{1}", i, myArray.GetValue(i))
Next i
End Sub
End Class
'This code produces the following output.
'
'The original array contains the following values:
' [0]: ar-SA
' [1]: en-US
' [2]: fr-FR
' [3]: ja-JP
'The clone array contains the following values:
' [0]: th-TH
' [1]: en-US
' [2]: fr-FR
' [3]: ja-JP
'Before changes to the clone:
' Original: The DateTimeFormatInfo.DateSeparator for ja-JP is /.
' Clone: The DateTimeFormatInfo.DateSeparator for ja-JP is /.
'After changes to the clone:
' Original: The DateTimeFormatInfo.DateSeparator for ja-JP is -.
' Clone: The DateTimeFormatInfo.DateSeparator for ja-JP is -.
설명
복사본의 Array 단순 복사본은 참조 형식이든 값 형식이든 상관없이 해당 요소 Array만 복사하지만 참조가 참조하는 개체는 복사하지 않습니다. 새 Array 지점의 참조는 원래 Array 지점의 참조와 동일한 개체를 가리킵니다.
반면, 요소의 Array 전체 복사본은 요소와 요소에서 직접 또는 간접적으로 참조하는 모든 항목을 복사합니다.
이 메서드는 O (n
) 작업, 여기서 n
는 Length합니다.