# Find average of array

Here given code implementation process.

``````//C Program
//Find average of array
#include <stdio.h>

//Print array element
void print_array(int arr[], int size)
{
printf("\n");
for (int i = 0; i < size; i++)
{
printf(" %d ", arr[i]);
}
}
//Calculate average of given array
void find_average(int arr[], int size)
{
print_array(arr, size);
int sum = 0;
for (int i = 0; i < size; i++)
{
//sum the array elements
sum += arr[i];
}
// Get average
double average = (double) sum / size;
printf("\nAverage : %lf\n", average);
}
int main()
{
// Define the array elements
int arr1[] = {
1,
2,
3,
4,
5,
6,
7,
8
};
// Find the size
int size = sizeof(arr1) / sizeof(arr1[0]);
find_average(arr1, size);
// Define the array elements
int arr2[] = {
-1,
1,
6,
8,
7,
4,
6,
5,
9
};
// Find the size
size = sizeof(arr2) / sizeof(arr2[0]);
find_average(arr2, size);
return 0;
}``````

#### Output

`````` 1  2  3  4  5  6  7  8
Average : 4.500000

-1  1  6  8  7  4  6  5  9
Average : 5.000000``````
``````/*
Java Program
Find the average of array
*/
class MyArray
{
//Print array element
public void print_array(int[] arr, int size)
{
System.out.print("\n");
for (int i = 0; i < size; i++)
{
System.out.print(" " + arr[i] + " ");
}
}
//Calculate average of given array
public void find_average(int[] arr, int size)
{
print_array(arr, size);
int sum = 0;
for (int i = 0; i < size; i++)
{
//sum the array elements
sum += arr[i];
}
// Get average
double average = (double) sum / size;
System.out.print("\nAverage : " + average + "\n");
}
public static void main(String[] args)
{
MyArray obj = new MyArray();
// Define the array elements
int[] arr1 = {
1,
2,
3,
4,
5,
6,
7,
8
};
// Find the size
int size = arr1.length;
obj.find_average(arr1, size);
// Define the array elements
int[] arr2 = {
-1,
1,
6,
8,
7,
4,
6,
5,
9
};
// Find the size
size = arr2.length;
obj.find_average(arr2, size);
}
}``````

#### Output

`````` 1  2  3  4  5  6  7  8
Average : 4.5

-1  1  6  8  7  4  6  5  9
Average : 5.0``````
``````/*
C++ Program
Find the average of array
*/
#include<iostream>

using namespace std;
class MyArray
{
public:
//Print array element
void print_array(int arr[], int size)
{
cout << "\n";
for (int i = 0; i < size; i++)
{
cout << " " << arr[i] << " ";
}
}
//Calculate average of given array
void find_average(int arr[], int size)
{
this->print_array(arr, size);
int sum = 0;
for (int i = 0; i < size; i++)
{
//sum the array elements
sum += arr[i];
}
// Get average
double average = (double) sum / size;
cout << "\nAverage : " << average << "\n";
}
};
int main()
{
MyArray obj ;
int arr1[] = {
1,
2,
3,
4,
5,
6,
7,
8
};
// Find the size
int size = sizeof(arr1) / sizeof(arr1[0]);
obj.find_average(arr1, size);
int arr2[] = {
-1,
1,
6,
8,
7,
4,
6,
5,
9
};
// Find the size
size = sizeof(arr2) / sizeof(arr2[0]);
obj.find_average(arr2, size);
return 0;
}``````

#### Output

`````` 1  2  3  4  5  6  7  8
Average : 4.5

-1  1  6  8  7  4  6  5  9
Average : 5``````
``````/*
C# Program
Find the average of array
*/
using System;
class MyArray
{
//Print array element
public void print_array(int[] arr, int size)
{
Console.Write("\n");
for (int i = 0; i < size; i++)
{
Console.Write(" " + arr[i] + " ");
}
}
//Calculate average of given array
public void find_average(int[] arr, int size)
{
print_array(arr, size);
int sum = 0;
for (int i = 0; i < size; i++)
{
//sum the array elements
sum += arr[i];
}
// Get average
double average = (double) sum / size;
Console.Write("\nAverage : " + average + "\n");
}
public static void Main(String[] args)
{
MyArray obj = new MyArray();
int[] arr1 = {
1,
2,
3,
4,
5,
6,
7,
8
};
// Find the size
int size = arr1.Length;
obj.find_average(arr1, size);
int[] arr2 = {
-1,
1,
6,
8,
7,
4,
6,
5,
9
};
// Find the size
size = arr2.Length;
obj.find_average(arr2, size);
}
}``````

#### Output

`````` 1  2  3  4  5  6  7  8
Average : 4.5

-1  1  6  8  7  4  6  5  9
Average : 5``````
``````<?php
/*
Php Program
Find the average of array
*/
class MyArray
{
//Print array element
function print_array( & \$arr, \$size)
{
echo "\n";
for (\$i = 0; \$i < \$size; \$i++)
{
echo " ". \$arr[\$i] ." ";
}
}
//Calculate average of given array
function find_average( & \$arr, \$size)
{
\$this->print_array(\$arr, \$size);
\$sum = 0;
for (\$i = 0; \$i < \$size; \$i++)
{
//sum the array elements
\$sum += \$arr[\$i];
}
// Get average
\$average = (\$sum) / \$size;
echo "\nAverage : ". \$average ."\n";
}
}

function main()
{
\$obj = new MyArray();
// Define the array elements
\$arr1 = array(1, 2, 3, 4, 5, 6, 7, 8);
// Find the size
\$size = count(\$arr1);
\$obj->find_average(\$arr1, \$size);
// Define the array elements
\$arr2 = array(-1, 1, 6, 8, 7, 4, 6, 5, 9);
// Find the size
\$size = count(\$arr2);
\$obj->find_average(\$arr2, \$size);
}
main();``````

#### Output

`````` 1  2  3  4  5  6  7  8
Average : 4.5

-1  1  6  8  7  4  6  5  9
Average : 5``````
``````/*
Node Js Program
Find the average of array
*/
class MyArray
{
//Print array element
print_array(arr, size)
{
process.stdout.write("\n");
for (var i = 0; i < size; i++)
{
process.stdout.write(" " + arr[i] + " ");
}
}
//Calculate average of given array
find_average(arr, size)
{
this.print_array(arr, size);
var sum = 0;
for (var i = 0; i < size; i++)
{
//sum the array elements
sum += arr[i];
}
// Get average
var average = (sum) / size;
process.stdout.write("\nAverage : " + average + "\n");
}
}

function main()
{
var obj = new MyArray();
// Define the array elements
var arr1 = [1, 2, 3, 4, 5, 6, 7, 8];
// Find the size
var size = arr1.length;
obj.find_average(arr1, size);
// Define the array elements
var arr2 = [-1, 1, 6, 8, 7, 4, 6, 5, 9];
// Find the size
size = arr2.length;
obj.find_average(arr2, size);
}
main();``````

#### Output

`````` 1  2  3  4  5  6  7  8
Average : 4.5

-1  1  6  8  7  4  6  5  9
Average : 5``````
``````#   Python 3 Program
#   Find the average of array

class MyArray :
# Print array element
def print_array(self, arr, size) :
print("\n", end = "")
i = 0
while (i < size) :
print(" ", arr[i] ," ", end = "")
i += 1

# Calculate average of given array
def find_average(self, arr, size) :
self.print_array(arr, size)
sum = 0
i = 0
while (i < size) :
# sum the array elements
sum += arr[i]
i += 1

#  Get average
average = (sum) / size
print("\nAverage : ", average ,"\n", end = "")

def main() :
obj = MyArray()
#  Define the array elements
arr1 = [1, 2, 3, 4, 5, 6, 7, 8]
#  Find the size
size = len(arr1)
obj.find_average(arr1, size)
#  Define the array elements
arr2 = [-1, 1, 6, 8, 7, 4, 6, 5, 9]
#  Find the size
size = len(arr2)
obj.find_average(arr2, size)

if __name__ == "__main__": main()``````

#### Output

``````  1    2    3    4    5    6    7    8
Average :  4.5

-1    1    6    8    7    4    6    5    9
Average :  5.0``````
``````#   Ruby Program
#   Find the average of array

class MyArray

# Print array element
def print_array(arr, size)

print("\n")
i = 0
while (i < size)

print(" ", arr[i] ," ")
i += 1
end
end
# Calculate average of given array
def find_average(arr, size)

self.print_array(arr, size)
sum = 0
i = 0
while (i < size)

# sum the array elements
sum += arr[i]
i += 1
end
#  Get average
average = (sum).to_f / size
print("\nAverage : ", average ,"\n")
end
end
def main()

obj = MyArray.new()
#  Define the array elements
arr1 = [1, 2, 3, 4, 5, 6, 7, 8]
#  Find the size
size = arr1.length
obj.find_average(arr1, size)
#  Define the array elements
arr2 = [-1, 1, 6, 8, 7, 4, 6, 5, 9]
#  Find the size
size = arr2.length
obj.find_average(arr2, size)
end
main()``````

#### Output

`````` 1  2  3  4  5  6  7  8
Average : 4.5

-1  1  6  8  7  4  6  5  9
Average : 5.0
``````
``````/*
Scala Program
Find the average of array
*/
class MyArray
{
//Print array element
def print_array(arr: Array[Int], size: Int): Unit = {
print("\n");
var i: Int = 0;
while (i < size)
{
print(" " + arr(i) + " ");
i += 1;
}
}
//Calculate average of given array
def find_average(arr: Array[Int], size: Int): Unit = {
print_array(arr, size);
var sum: Int = 0;
var i: Int = 0;
while (i < size)
{
//sum the array elements
sum += arr(i);
i += 1;
}
// Get average
var average: Double = sum.toFloat / size;
print("\nAverage : " + average + "\n");
}
}
object Main
{
def main(args: Array[String]): Unit = {
var obj: MyArray = new MyArray();
// Define the array elements
var arr1: Array[Int] = Array(1, 2, 3, 4, 5, 6, 7, 8);
// Find the size
var size: Int = arr1.length;
obj.find_average(arr1, size);
// Define the array elements
var arr2: Array[Int] = Array(-1, 1, 6, 8, 7, 4, 6, 5, 9);
// Find the size
size = arr2.length;
obj.find_average(arr2, size);
}
}``````

#### Output

`````` 1  2  3  4  5  6  7  8
Average : 4.5

-1  1  6  8  7  4  6  5  9
Average : 5.0``````
``````/*
Swift Program
Find the average of array
*/
class MyArray
{
//Print array element
func print_array(_ arr: [Int], _ size: Int)
{
print("\n", terminator: "");
var i: Int = 0;
while (i < size)
{
print(" ", arr[i] ," ", terminator: "");
i += 1;
}
}
//Calculate average of given array
func find_average(_ arr: [Int], _ size: Int)
{
self.print_array(arr, size);
var sum: Int = 0;
var i: Int = 0;
while (i < size)
{
//sum the array elements
sum += arr[i];
i += 1;
}
// Get average
let average: Double = Double(sum) / Double(size);
print("\nAverage : ", average ,"\n", terminator: "");
}
}
func main()
{
let obj: MyArray = MyArray();
// Define the array elements
let arr1: [Int] = [1, 2, 3, 4, 5, 6, 7, 8];
// Find the size
var size: Int = arr1.count;
obj.find_average(arr1, size);
// Define the array elements
let arr2: [Int] = [-1, 1, 6, 8, 7, 4, 6, 5, 9];
// Find the size
size = arr2.count;
obj.find_average(arr2, size);
}
main();``````

#### Output

``````  1    2    3    4    5    6    7    8
Average :  4.5

-1    1    6    8    7    4    6    5    9
Average :  5.0``````

## Comment

Please share your knowledge to improve code and content standard. Also submit your doubts, and test case. We improve by your feedback. We will try to resolve your query as soon as possible.