How to copy the entire ArrayList to a one-dimensional Array in C# ?

CsharpServer Side ProgrammingProgramming

To copy the entire ArrayList to a one-dimensional array, the code is as follows −

Example

 Live Demo

using System;
using System.Collections;
public class Demo {
   public static void Main(){
      ArrayList list = new ArrayList();
      list.Add("AB");
      list.Add("BC");
      list.Add("CD");
      list.Add("EF");
      list.Add("GH");
      list.Add("IJ");
      list.Add("KL");
      list.Add("MN");
      String[] strArr = new String[10];
      Console.WriteLine("ArrayList...");
      foreach(Object obj in list)
      Console.WriteLine("{0}", obj);
      list.CopyTo(strArr);
      Console.WriteLine("\nString Array after copying elements from ArrayList...");
      foreach(Object ob in strArr)
      Console.WriteLine("{0}", ob);
   }
}

Output

This will produce the following output −

ArrayList...
AB
BC
CD
EF
GH
IJ
KL
MN
String Array after copying elements from ArrayList...
AB
BC
CD
EF
GH
IJ
KL
MN

Example

Let us now see another example −

 Live Demo

using System;
using System.Collections;
public class Demo {
   public static void Main(){
      ArrayList list = new ArrayList();
      list.Add(100);
      list.Add(200);
      list.Add(300);
      list.Add(400);
      list.Add(500);
      list.Add(600);
      list.Add(700);
      list.Add(800);
      list.Add(900);
      list.Add(1000);
      int[] intArr = new int[10];
      Console.WriteLine("ArrayList...");
      foreach(Object obj in list)
      Console.WriteLine("{0}", obj);
      list.CopyTo(intArr);
      Console.WriteLine("\nInteger Array after copying elements from ArrayList...");
      foreach(Object ob in intArr)
      Console.WriteLine("{0}", ob);
   }
}

Output

This will produce the following output −

ArrayList...
100
200
300
400
500
600
700
800
900
1000

Integer Array after copying elements from ArrayList...
100
200
300
400
500
600
700
800
900
1000
raja
Published on 10-Dec-2019 10:55:08
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