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C# Array Functions

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How to passing array to function in C# ?

  • In C#, to reuse the array logic, we can create function.
  • To pass array to function in C#, we need to provide only array name.
Array Function

Passing Array Function

functionname(arrayname);//passing array
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C# Passing Array to Function Example: print array elements

  • Let's see an example of C# function which prints the array elements.
using System;
public class ArrayExample
{
static void printArray(int[] arr)
    {
Console.WriteLine("Printing array elements:");
for (inti = 1; i<arr.Length; i++)
        {
Console.WriteLine(arr[i]);
        }
    }
public static void Main(string[] args)
    {
int[] arr1 = { 25, 10, 20, 15, 40, 50 };
int[] arr2 = { 12, 23, 44, 11, 54 };
printArray(arr1);//passing array to function
printArray(arr2);
    }
}
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C# examples - Output :

Printing array elements:
25
10
20
15
40
50
Printing array elements:
12
23
44
11
54

C# Passing Array to Function Example: Print minimum number

  • Let's see an example of C# array which prints minimum number in an array using function.
using System;
public class ArrayExample
{
static void printMin(int[] arr)
    {
int min = arr[0];
for (inti = 1; i<arr.Length; i++)
        {
if (min >arr[i])
            {
min = arr[i];
            }
        }
Console.WriteLine("Minimum element is: " + min);
    }
public static void Main(string[] args)
    {
int[] arr1 = { 25, 10, 20, 15, 40, 50 };
int[] arr2 = { 12, 23, 44, 11, 54 };

printMin(arr1);//passing array to function
printMin(arr2);
    }
}
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C# examples - Output :

Minimum element is: 10
Minimum element is: 11

C# Passing Array to Function Example: Print maximum number

  • Let's see an example of C# array which prints maximum number in an array using function.
using System;
public class ArrayExample
{
static void printMax(int[] arr)
    {
int max = arr[0];
for (inti = 1; i<arr.Length; i++)
        {
if (max <arr[i])
            {
max = arr[i];
            }
        }
Console.WriteLine("Maximum element is: " + max);
    }
public static void Main(string[] args)
    {
int[] arr1 = { 25, 10, 20, 15, 40, 50 };
int[] arr2 = { 12, 23, 64, 11, 54 };

printMax(arr1);//passing array to function
printMax(arr2);
    }
} 

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C# examples - Output :

Maximum element is: 50
Maximum element is: 64


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