Count number of vowels in a string

Here given code implementation process.

// Java program
// count number of vowels in a string
class MyString
{
	//Check that whether given character is vowel or not
	public boolean is_vowel(char data)
	{
		if (data == 'a' || data == 'e' || data == 'i' || data == 'o' || data == 'u')
		{
			return true;
		}
		return false;
	}
	//Count number of vowels in string
	public void count_vowels(String text)
	{
		//Get the size 
		int size = text.length();
		if (size <= 0)
		{
			return;
		}
		int result = 0;
		for (int i = 0; i < size; i++)
		{
			if (is_vowel(text.charAt(i)) == true)
			{
				result = result + 1;
			}
		}
		System.out.print("\n Given String : " + text);
		System.out.print("\n Vowels : " + result);
	}
	public static void main(String[] args)
	{
		MyString obj = new MyString();
		String text = "This is a difficult problem";
		obj.count_vowels(text);
	}
}

Output

 Given String : This is a difficult problem
 Vowels : 8
//Include header file
#include <iostream>
#include<string.h>
using namespace std;

// C++ program
// count number of vowels in a string
class MyString
{
	public:
		//Check that whether given character is vowel or not
		bool is_vowel(char data)
		{
			if (data == 'a' || data == 'e' || data == 'i' || data == 'o' || data == 'u')
			{
				return true;
			}
			return false;
		}
	//Count number of vowels in string
	void count_vowels(string text)
	{
		//Get the size 
		int size = text.size();
		if (size <= 0)
		{
			return;
		}
		int result = 0;
		for (int i = 0; i < size; i++)
		{
			if (this->is_vowel(text[i]) == true)
			{
				result = result + 1;
			}
		}
		cout << "\n Given String : " << text;
		cout << "\n Vowels : " << result;
	}
};
int main()
{
	MyString obj = MyString();
	string text = "This is a difficult problem";
	obj.count_vowels(text);
	return 0;
}

Output

 Given String : This is a difficult problem
 Vowels : 8
//Include namespace system
using System;

// C# program
// count number of vowels in a string
class MyString
{
	//Check that whether given character is vowel or not
	public Boolean is_vowel(char data)
	{
		if (data == 'a' || data == 'e' || data == 'i' || data == 'o' || data == 'u')
		{
			return true;
		}
		return false;
	}
	//Count number of vowels in string
	public void count_vowels(String text)
	{
		//Get the size 
		int size = text.Length;
		if (size <= 0)
		{
			return;
		}
		int result = 0;
		for (int i = 0; i < size; i++)
		{
			if (is_vowel(text[i]) == true)
			{
				result = result + 1;
			}
		}
		Console.Write("\n Given String : " + text);
		Console.Write("\n Vowels : " + result);
	}
	public static void Main(String[] args)
	{
		MyString obj = new MyString();
		String text = "This is a difficult problem";
		obj.count_vowels(text);
	}
}

Output

 Given String : This is a difficult problem
 Vowels : 8
<?php
// Php program
// count number of vowels in a string
class MyString
{
	//Check that whether given character is vowel or not
	public	function is_vowel($data)
	{
		if ($data == 'a' || $data == 'e' || $data == 'i' || $data == 'o' || $data == 'u')
		{
			return true;
		}
		return false;
	}
	//Count number of vowels in string
	public	function count_vowels($text)
	{
		//Get the size 
		$size = strlen($text);
		if ($size <= 0)
		{
			return;
		}
		$result = 0;
		for ($i = 0; $i < $size; $i++)
		{
			if ($this->is_vowel($text[$i]) == true)
			{
				$result = $result + 1;
			}
		}
		echo "\n Given String : ". $text;
		echo "\n Vowels : ". $result;
	}
}

function main()
{
	$obj = new MyString();
	$text = "This is a difficult problem";
	$obj->count_vowels($text);
}
main();

Output

 Given String : This is a difficult problem
 Vowels : 8
// Node Js program
// count number of vowels in a string
class MyString
{
	//Check that whether given character is vowel or not
	is_vowel(data)
	{
		if (data == 'a' 
            || data == 'e' 
            || data == 'i' 
            || data == 'o' 
            || data == 'u')
		{
			return true;
		}
		return false;
	}
	//Count number of vowels in string
	count_vowels(text)
	{
		//Get the size 
		var size = text.length;
		if (size <= 0)
		{
			return;
		}
		var result = 0;
		for (var i = 0; i < size; i++)
		{
			if (this.is_vowel(text[i]) == true)
			{
				result = result + 1;
			}
		}
		process.stdout.write("\n Given String : " + text);
		process.stdout.write("\n Vowels : " + result);
	}
}

function main()
{
	var obj = new MyString();
	var text = "This is a difficult problem";
	obj.count_vowels(text);
}
main();

Output

 Given String : This is a difficult problem
 Vowels : 8
#  Python 3 program
#  count number of vowels in a string
class MyString :
	# Check that whether given character is vowel or not
	def is_vowel(self, data) :
		if (data == 'a'
			or data == 'e'
			or data == 'i'
			or data == 'o'
			or data == 'u') :
			return True
		
		return False
	
	# Count number of vowels in string
	def count_vowels(self, text) :
		# Get the size 
		size = len(text)
		if (size <= 0) :
			return
		
		result = 0
		i = 0
		while (i < size) :
			if (self.is_vowel(text[i]) == True) :
				result = result + 1
			
			i += 1
		
		print("\n Given String : ", text, end = "")
		print("\n Vowels : ", result, end = "")
	

def main() :
	obj = MyString()
	text = "This is a difficult problem"
	obj.count_vowels(text)

if __name__ == "__main__": main()

Output

 Given String :  This is a difficult problem
 Vowels :  8
#  Ruby program
#  count number of vowels in a string
class MyString

	# Check that whether given character is vowel or not
	def is_vowel(data)
	
		if (data == 'a' || 
            data == 'e' || 
            data == 'i' || 
            data == 'o' || 
            data == 'u')
		
			return true
		end
		return false
	end
	# Count number of vowels in string
	def count_vowels(text)
	
		# Get the size 
		size = text.length()
		if (size <= 0)
		
			return
		end
		result = 0
		i = 0
		while (i < size)
		
			if (self.is_vowel(text[i]) == true)
			
				result = result + 1
			end
			i += 1
		end
		print("\n Given String : ", text)
		print("\n Vowels : ", result)
	end
end
def main()

	obj = MyString.new()
	text = "This is a difficult problem"
	obj.count_vowels(text)
end
main()

Output

 Given String : This is a difficult problem
 Vowels : 8
// Scala program
// count number of vowels in a string
class MyString
{
	//Check that whether given character is vowel or not
	def is_vowel(data: Char): Boolean = {
		if (data == 'a' 
             || data == 'e' 
             || data == 'i' 
             || data == 'o' 
             || data == 'u')
		{
			return true;
		}
		return false;
	}
	//Count number of vowels in string
	def count_vowels(text: String): Unit = {
		//Get the size 
		var size: Int = text.length();
		if (size <= 0)
		{
			return;
		}
		var result: Int = 0;
		var i: Int = 0;
		while (i < size)
		{
			if (is_vowel(text(i)) == true)
			{
				result = result + 1;
			}
			i += 1;
		}
		print("\n Given String : " + text);
		print("\n Vowels : " + result);
	}
}
object Main
{
	def main(args: Array[String]): Unit = {
		var obj: MyString = new MyString();
		var text: String = "This is a difficult problem";
		obj.count_vowels(text);
	}
}

Output

 Given String : This is a difficult problem
 Vowels : 8
// Swift program
// count number of vowels in a string
class MyString
{
	//Check that whether given character is vowel or not
	func is_vowel(_ data: Character) -> Bool
	{
		if (data == "a" 
            || data == "e" 
            || data == "i" 
            || data == "o" 
            || data == "u")
		{
			return true;
		}
		return false;
	}
	//Count number of vowels in string
	func count_vowels(_ data: String)
	{
        let text = Array(data);
		//Get the size 
		let size: Int = text.count;
		if (size <= 0)
		{
			return;
		}
		var result: Int = 0;
		var i: Int = 0;
		while (i < size)
		{
			if (self.is_vowel(text[i]) == true)
			{
				result = result + 1;
			}
			i += 1;
		}
		print(" Given String : ", data);
		print(" Vowels : ", result);
	}
}
func main()
{
	let obj: MyString = MyString();
	let text: String = "This is a difficult problem";
	obj.count_vowels(text);
}
main();

Output

 Given String :  This is a difficult problem
 Vowels :  8


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