C# Program to Copy Collection to Array


This is a C# Program to copy collection to array.

Problem Description

This C# Program Copies Collection to Array.

Problem Solution

Here the collection is copied to an array.

Program/Source Code

Here is source code of the C# Program to Copy Collection to Array. The C# program is successfully compiled and executed with Microsoft Visual Studio. The program output is also shown below.

 *  C# Program to Copy Collection to Array
using System;
using System.Collections;
class CopyCollectionToArray
    public static void Main()
        ArrayList list = new ArrayList(5);
        object[] objectArray = list.ToArray();
        string[] stringArray = new string[list.Count];
        list.CopyTo(stringArray, 0);
        string[] typedArray = (string[])list.ToArray(typeof(String));
        Console.Write("Object array:");
        foreach (string str in objectArray)
        { Console.Write(" {0},", str); }
        Console.Write("\nString array:");
        foreach (string str in stringArray)
        { Console.Write(" {0},", str); }
        Console.Write("\nTyped  array:");
        foreach (string str in typedArray)
        { Console.Write(" {0},", str); }
Program Explanation

This C# program is used to copy collection to array. We have created three arrays the objectArray, StringArray and TypedArray. The collection is copied to an array. Using foreach loop print the value of an array.

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Runtime Test Cases
Object array: BOB, TOM, Jerry, MOB,
String array: BOB, TOM, Jerry, MOB,
Typed  array: BOB, TOM, Jerry, MOB,

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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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