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C# | Array.GetEnumerator Method - GeeksforGeeks

C# | Array.GetEnumerator Method

Last Updated : 11 Jul, 2025

This method is used to return an IEnumerator for the Array.

Syntax: 
public System.Collections.IEnumerator GetEnumerator ();
Return Value:

This method returns an IEnumerator for the Array. Below programs illustrate the use of

Array.GetEnumerator

Method:

Example 1: CSHARP 
// C# program to demonstrate
// GetEnumerator() method
using System;
using System.Collections;
using System.Collections.Generic;

public class GFG {

    // Main Method
    public static void Main()
    {

        // Creating and initializing new the String
        String[] myArr = {"Sun", "Mon", "Tue", "Thu"};

        // Display the values of the myArr.
        Console.Write("Initial Array: ");

        // calling the PrintIndexAndValues()
        // method to print
        PrintIndexAndValues(myArr);

        // getting the IEnumerator for the myArr
        IEnumerator myEnumerator = myArr.GetEnumerator();

        // calling the PrintIndexAndValues()
        // method to print
        Console.WriteLine("Enumerated value: ");
        PrintIndexAndValues(myEnumerator);
    }

    // Defining the method
    // PrintIndexAndValues
    public static void PrintIndexAndValues(String[] myArr)
    {
        for (int i = 0; i < myArr.Length; i++) {

            Console.Write("{0} ", myArr[i]);
        }
        Console.WriteLine();
        Console.WriteLine();
    }

    // Overriding the method
    // PrintIndexAndValues
    public static void PrintIndexAndValues(IEnumerator myEnumerator)
    {
        int i = 0;
        while ((myEnumerator.MoveNext()) && 
          (myEnumerator.Current != null)) {

            Console.WriteLine("[{0}] {1}", i++,
                         myEnumerator.Current);
        }
    }
}
Output: 
Initial Array: Sun Mon Tue Thu 

Enumerated value: 
[0] Sun
[1] Mon
[2] Tue
[3] Thu
Example 2: CSharp 
// C# program to demonstrate
// GetEnumerator() method
// For int value
using System;
using System.Collections;
using System.Collections.Generic;

public class GFG {

    // Main Method
    public static void Main()
    {

        // Creating and initializing new the int
        int[] myArr = {10, 20, 30, 40};

        // Display the values of the myArr.
        Console.Write("Initial Array: ");

        // calling the PrintIndexAndValues()
        // method to print
        PrintIndexAndValues(myArr);

        // getting the IEnumerator for the myArr
        IEnumerator myEnumerator = myArr.GetEnumerator();

        // calling the PrintIndexAndValues()
        // method to print
        Console.WriteLine("Enumerated value: ");
        PrintIndexAndValues(myEnumerator);
    }

    // Defining the method
    // PrintIndexAndValues
    public static void PrintIndexAndValues(int[] myArr)
    {
        for (int i = 0; i < myArr.Length; i++) {

            Console.Write("{0} ", myArr[i]);
        }
        Console.WriteLine();
        Console.WriteLine();
    }

    // Overriding the method
    // PrintIndexAndValues
    public static void PrintIndexAndValues(IEnumerator myEnumerator)
    {
        int i = 1;
        while ((myEnumerator.MoveNext()) && 
          (myEnumerator.Current != null)) {

            Console.WriteLine("{0}> {1} ", i++, 
                          myEnumerator.Current);
        }
    }
}
Output: 
Initial Array: 10 20 30 40 

Enumerated value: 
1> 10 
2> 20 
3> 30 
4> 40
Reference:

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