# Find the frequency of a element in array

Here given code implementation process.

``````// C Program
// Find the frequency of a element in array
#include <stdio.h>

//Display elements of given array
void printArray(int arr[], int size)
{
for (int i = 0; i < size; ++i)
{
printf("  %d", arr[i]);
}
}
// Finding the frequency of a element (number) in an array
void findFrequency(int arr[], int size, int element)
{
// Define resultant variable
int counter = 0;
// Execute loop through by size
for (int i = 0; i < size; ++i)
{
if (arr[i] == element)
{
// When get element
counter++;
}
}
// Display calculated result
printf("\n Element %d frequency is : %d", element, counter);
}
int main(int argc, char const *argv[])
{
// Define array of integer elements
int arr[] =
{
3 , 6 , 1 , 2 , 4 , 7 , 2 , 3 , 4 , 2 , 3 , 2 , 3 , 1 , 1 , 1 , 1
};
// Get the size
int size = sizeof(arr) / sizeof(arr[0]);
printf(" Array elements \n");
printArray(arr, size);
findFrequency(arr, size, 1);
findFrequency(arr, size, 2);
findFrequency(arr, size, 6);
findFrequency(arr, size, 9);
return 0;
}``````

#### Output

`````` Array elements
3  6  1  2  4  7  2  3  4  2  3  2  3  1  1  1  1
Element 1 frequency is : 5
Element 2 frequency is : 4
Element 6 frequency is : 1
Element 9 frequency is : 0``````
``````/*
Java Program
Find the frequency of a element in array
*/
public class Frequency
{
//Display elements of given array
public void printArray(int[] arr, int size)
{
for (int i = 0; i < size; ++i)
{
System.out.print("  " + arr[i]);
}
}
// Finding the frequency of a element (number) in an array
public void findFrequency(int[] arr, int size, int element)
{
// Define resultant variable
int counter = 0;
// Execute loop through by size
for (int i = 0; i < size; ++i)
{
if (arr[i] == element)
{
// When get element
counter++;
}
}
// Display calculated result
System.out.print("\n Element " + element + " frequency is : " + counter);
}
public static void main(String[] args)
{
// Define array of integer elements
int[] arr =
{
3 , 6 , 1 , 2 , 4 , 7 , 2 , 3 , 4 , 2 , 3 , 2 , 3 , 1 , 1 , 1 , 1
};
// Get the size
int size = arr.length;
System.out.print(" Array elements \n");
}
}``````

#### Output

`````` Array elements
3  6  1  2  4  7  2  3  4  2  3  2  3  1  1  1  1
Element 1 frequency is : 5
Element 2 frequency is : 4
Element 6 frequency is : 1
Element 9 frequency is : 0``````
``````// Include header file
#include <iostream>

using namespace std;
/*
C++ Program
Find the frequency of a element in array
*/
class Frequency
{
public:
//Display elements of given array
void printArray(int arr[], int size)
{
for (int i = 0; i < size; ++i)
{
cout << "  " << arr[i];
}
}
// Finding the frequency of a element (number) in an array
void findFrequency(int arr[], int size, int element)
{
// Define resultant variable
int counter = 0;
// Execute loop through by size
for (int i = 0; i < size; ++i)
{
if (arr[i] == element)
{
// When get element
counter++;
}
}
// Display calculated result
cout << "\n Element " << element << " frequency is : " << counter;
}
};
int main()
{
// Define array of integer elements
int arr[] = {
3 , 6 , 1 , 2 , 4 , 7 , 2 , 3 , 4 , 2 , 3 , 2 , 3 , 1 , 1 , 1 , 1
};
// Get the size
int size = sizeof(arr) / sizeof(arr[0]);
cout << " Array elements \n";
return 0;
}``````

#### Output

`````` Array elements
3  6  1  2  4  7  2  3  4  2  3  2  3  1  1  1  1
Element 1 frequency is : 5
Element 2 frequency is : 4
Element 6 frequency is : 1
Element 9 frequency is : 0``````
``````// Include namespace system
using System;
/*
C# Program
Find the frequency of a element in array
*/
public class Frequency
{
//Display elements of given array
public void printArray(int[] arr, int size)
{
for (int i = 0; i < size; ++i)
{
Console.Write("  " + arr[i]);
}
}
// Finding the frequency of a element (number) in an array
public void findFrequency(int[] arr, int size, int element)
{
// Define resultant variable
int counter = 0;
// Execute loop through by size
for (int i = 0; i < size; ++i)
{
if (arr[i] == element)
{
// When get element
counter++;
}
}
// Display calculated result
Console.Write("\n Element " + element + " frequency is : " + counter);
}
public static void Main(String[] args)
{
// Define array of integer elements
int[] arr = {
3 , 6 , 1 , 2 , 4 , 7 , 2 , 3 , 4 , 2 , 3 , 2 , 3 , 1 , 1 , 1 , 1
};
// Get the size
int size = arr.Length;
Console.Write(" Array elements \n");
}
}``````

#### Output

`````` Array elements
3  6  1  2  4  7  2  3  4  2  3  2  3  1  1  1  1
Element 1 frequency is : 5
Element 2 frequency is : 4
Element 6 frequency is : 1
Element 9 frequency is : 0``````
``````<?php
/*
Php Program
Find the frequency of a element in array
*/
class Frequency
{
//Display elements of given array
public	function printArray( & \$arr, \$size)
{
for (\$i = 0; \$i < \$size; ++\$i)
{
echo "  ". \$arr[\$i];
}
}
// Finding the frequency of a element (number) in an array
public	function findFrequency( & \$arr, \$size, \$element)
{
// Define resultant variable
\$counter = 0;
// Execute loop through by size
for (\$i = 0; \$i < \$size; ++\$i)
{
if (\$arr[\$i] == \$element)
{
// When get element
\$counter++;
}
}
// Display calculated result
echo "\n Element ". \$element ." frequency is : ". \$counter;
}
}

function main()
{
// Define array of integer elements
\$arr = array(3, 6, 1, 2, 4, 7, 2, 3, 4, 2, 3, 2, 3, 1, 1, 1, 1);
// Get the size
\$size = count(\$arr);
echo " Array elements \n";
}
main();``````

#### Output

`````` Array elements
3  6  1  2  4  7  2  3  4  2  3  2  3  1  1  1  1
Element 1 frequency is : 5
Element 2 frequency is : 4
Element 6 frequency is : 1
Element 9 frequency is : 0``````
``````/*
Node Js Program
Find the frequency of a element in array
*/
class Frequency
{
//Display elements of given array
printArray(arr, size)
{
for (var i = 0; i < size; ++i)
{
process.stdout.write("  " + arr[i]);
}
}
// Finding the frequency of a element (number) in an array
findFrequency(arr, size, element)
{
// Define resultant variable
var counter = 0;
// Execute loop through by size
for (var i = 0; i < size; ++i)
{
if (arr[i] == element)
{
// When get element
counter++;
}
}
// Display calculated result
process.stdout.write("\n Element " + element + " frequency is : " + counter);
}
}

function main()
{
// Define array of integer elements
var arr = [3, 6, 1, 2, 4, 7, 2, 3, 4, 2, 3, 2, 3, 1, 1, 1, 1];
// Get the size
var size = arr.length;
process.stdout.write(" Array elements \n");
}
main();``````

#### Output

`````` Array elements
3  6  1  2  4  7  2  3  4  2  3  2  3  1  1  1  1
Element 1 frequency is : 5
Element 2 frequency is : 4
Element 6 frequency is : 1
Element 9 frequency is : 0``````
``````#  Python 3 Program
#  Find the frequency of a element in array

class Frequency :
# Display elements of given array
def printArray(self, arr, size) :
i = 0
while (i < size) :
print("  ", arr[i], end = "")
i += 1

#  Finding the frequency of a element (number) in an array
def findFrequency(self, arr, size, element) :
#  Define resultant variable
counter = 0
i = 0
#  Execute loop through by size
while (i < size) :
if (arr[i] == element) :
#  When get element
counter += 1

i += 1

#  Display calculated result
print("\n Element ", element ," frequency is : ", counter, end = "")

def main() :
#  Define array of integer elements
arr = [3, 6, 1, 2, 4, 7, 2, 3, 4, 2, 3, 2, 3, 1, 1, 1, 1]
#  Get the size
size = len(arr)
print(" Array elements ")

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

#### Output

`````` Array elements
3   6   1   2   4   7   2   3   4   2   3   2   3   1   1   1   1
Element  1  frequency is :  5
Element  2  frequency is :  4
Element  6  frequency is :  1
Element  9  frequency is :  0``````
``````#  Ruby Program
#  Find the frequency of a element in array

class Frequency
# Display elements of given array
def printArray(arr, size)
i = 0
while (i < size)
print("  ", arr[i])
i += 1
end

end

#  Finding the frequency of a element (number) in an array
def findFrequency(arr, size, element)
#  Define resultant variable
counter = 0
i = 0
#  Execute loop through by size
while (i < size)
if (arr[i] == element)
#  When get element
counter += 1
end

i += 1
end

#  Display calculated result
print("\n Element ", element ," frequency is : ", counter)
end

end

def main()
#  Define array of integer elements
arr = [3, 6, 1, 2, 4, 7, 2, 3, 4, 2, 3, 2, 3, 1, 1, 1, 1]
#  Get the size
size = arr.length
print(" Array elements \n")
end

main()``````

#### Output

`````` Array elements
3  6  1  2  4  7  2  3  4  2  3  2  3  1  1  1  1
Element 1 frequency is : 5
Element 2 frequency is : 4
Element 6 frequency is : 1
Element 9 frequency is : 0``````
``````/*
Scala Program
Find the frequency of a element in array
*/
class Frequency
{
//Display elements of given array
def printArray(arr: Array[Int], size: Int): Unit = {
var i: Int = 0;
while (i < size)
{
print("  " + arr(i));
i += 1;
}
}
// Finding the frequency of a element (number) in an array
def findFrequency(arr: Array[Int], size: Int, element: Int): Unit = {
// Define resultant variable
var counter: Int = 0;
var i: Int = 0;
// Execute loop through by size
while (i < size)
{
if (arr(i) == element)
{
// When get element
counter += 1;
}
i += 1;
}
// Display calculated result
print("\n Element " + element + " frequency is : " + counter);
}
}
object Main
{
def main(args: Array[String]): Unit = {
var task: Frequency = new Frequency();
// Define array of integer elements
var arr: Array[Int] = Array(3, 6, 1, 2, 4, 7, 2, 3, 4, 2, 3, 2, 3, 1, 1, 1, 1);
// Get the size
var size: Int = arr.length;
print(" Array elements \n");
}
}``````

#### Output

`````` Array elements
3  6  1  2  4  7  2  3  4  2  3  2  3  1  1  1  1
Element 1 frequency is : 5
Element 2 frequency is : 4
Element 6 frequency is : 1
Element 9 frequency is : 0``````
``````/*
Swift 4 Program
Find the frequency of a element in array
*/
class Frequency
{
//Display elements of given array
func printArray(_ arr: [Int], _ size: Int)
{
var i: Int = 0;
while (i < size)
{
print("  ", arr[i], terminator: "");
i += 1;
}
}
// Finding the frequency of a element (number) in an array
func findFrequency(_ arr: [Int], _ size: Int, _ element: Int)
{
// Define resultant variable
var counter: Int = 0;
var i: Int = 0;
// Execute loop through by size
while (i < size)
{
if (arr[i] == element)
{
// When get element
counter += 1;
}
i += 1;
}
// Display calculated result
print("\n Element ", element ," frequency is : ", counter, terminator: "");
}
}
func main()
{
// Define array of integer elements
let arr: [Int] = [3, 6, 1, 2, 4, 7, 2, 3, 4, 2, 3, 2, 3, 1, 1, 1, 1];
// Get the size
let size: Int = arr.count;
print(" Array elements ");
}
main();``````

#### Output

`````` Array elements
3   6   1   2   4   7   2   3   4   2   3   2   3   1   1   1   1
Element  1  frequency is :  5
Element  2  frequency is :  4
Element  6  frequency is :  1
Element  9  frequency is :  0``````
``````/*
Kotlin Program
Find the frequency of a element in array
*/
class Frequency
{
//Display elements of given array
fun printArray(arr: Array < Int > , size: Int): Unit
{
var i: Int = 0;
while (i < size)
{
print("  " + arr[i]);
i += 1;
}
}
// Finding the frequency of a element (number) in an array
fun findFrequency(arr: Array < Int > , size: Int, element: Int): Unit
{
// Define resultant variable
var counter: Int = 0;
var i: Int = 0;
// Execute loop through by size
while (i < size)
{
if (arr[i] == element)
{
// When get element
counter += 1;
}
i += 1;
}
// Display calculated result
print("\n Element " + element + " frequency is : " + counter);
}
}
fun main(args: Array < String > ): Unit
{
// Define array of integer elements
var arr: Array < Int > = arrayOf(3, 6, 1, 2, 4, 7, 2, 3, 4, 2, 3, 2, 3, 1, 1, 1, 1);
// Get the size
var size: Int = arr.count();
print(" Array elements \n");
}``````

#### Output

`````` Array elements
3  6  1  2  4  7  2  3  4  2  3  2  3  1  1  1  1
Element 1 frequency is : 5
Element 2 frequency is : 4
Element 6 frequency is : 1
Element 9 frequency is : 0``````

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