Question

Frequency of Palindrome words in a given sentence using recursion.

				
					ENTER THE SENTENCE
mom and dad are not at home
FREQUENCY OF PALINDROME WORDS IN GIVEN SENTENCE:2

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Code

				
					import java.util.Scanner;
public class FrequencyPalindromeWordsInSentence
{

    public static String FindReverse(String wd,int i)
    {

        if(i>=0)
        {
            return wd.charAt(i)+ FindReverse(wd,i-1);

        }
        else
        {
            return "";
        }
    }

    public static void main()
    {
        int i=0,count=0,len=0;
        char ch=' ';
        String sen="",word="";

        Scanner sc=new Scanner(System.in);
        System.out.println("ENTER THE SENTENCE");
        sen=sc.nextLine();
        sen=sen+" ";
        len=sen.length();
        for(i=0;i< len;i++)
        {
            ch=sen.charAt(i);
            if(ch==' ')
            {
                if(word.equals(FindReverse(word,word.length()-1))==true)
                {
                    count++;

                }
                word="";
            }
            else
            {
                word=word+ch;
            }
        }
        System.out.println("FREQUENCY OF PALINDROME WORDS IN GIVEN SENTENCE:"+count);
    }
}