Question

Print frequency of Consonants in given word using recursion.

				
					ENTER THE WORD
abcdefghijklmno
FREQUENCY OF CONSONANTS  IN abcdefghijklmno IS 11

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Code

				
					import java.util.Scanner;
public class frequencyConsonantsInWord
{
    char ch=' ';
    public int FrequencyOfConsonants(String wd,int i,int count)
    {

        if(i< wd.length())
        {
            ch=wd.charAt(i);
            if(Character.isLetter(ch)==true)
            {
                if(ch!='a'&& ch!='e'&& ch!='i'&& ch!='o'&& ch!='u')
                {
                    count++;
                }

            }

            return FrequencyOfConsonants(wd,i+1,count);
        }
        else
        {
            return count;  
        }
    }

    public static void main()
    {
        String word="";
        Scanner sc=new Scanner(System.in);
        frequencyConsonantsInWord ob1=new frequencyConsonantsInWord();
        System.out.println("ENTER THE WORD");
        word=sc.next();
        word=word.toLowerCase();
        System.out.print("FREQUENCY OF CONSONANTS IN "+word+" IS "+ob1.FrequencyOfConsonants(word,0,0));

    }

}