Question

Frequency of Non-Palindrome words in a given sentence.

A non-Palindrome words are words that are not same backward and forward

example:

pop reads same, backward or forward so it a Palindrome word

mom reads same, backward or forward so it a Palindrome word

cat does not spell same backward and forward so cat is an non-Palindrome word


Enter a sentence:Mom and dad are not at home
There are 5 non-Palindrome word(s) in given sentence

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Code

Java

Python

Java

import java.util.Scanner;
public class nonPalindromeWordsInSentence
{
    public static void main(String[] args)
    {
        String sen="",wd="",wd1="";
        char ch=' ';
        int i=0,len=0,count=0;
        Scanner sc = new Scanner(System.in);

        System.out.println("Enter a sentence:");
        sen = sc.nextLine();
        sen=sen+" ";
        len=sen.length();

        for(i=0;i< len;i++)
        {
            ch=sen.charAt(i);
            if(ch==' ')
            {

                if(wd.equalsIgnoreCase(wd1)==false)
                {
                    count=count+1;
                }
                wd1="";
                wd="";

            }
            else
            {
                wd=wd+ch;
                wd1=ch+wd1;
            }
        }
        System.out.println("Frequency of Non-Palindrome words in given sentence:"+count);
    }
}

Python

sentence=input("Enter a sentence:")
#making all the characters in the given sentence to upper case
#using upper()
sentence=sentence.upper()
#split(' ') will split the sentence whenever a space is found
#and creates a list
words=sentence.split(' ')

numberOfNonPalindromeWords=0
for word in words:
    reverseOfWord=""
    for i in range(0,len(word)):
        reverseOfWord=word[i]+reverseOfWord
    if(word!=reverseOfWord):
        numberOfNonPalindromeWords=numberOfNonPalindromeWords+1
print("There are",numberOfNonPalindromeWords,"non-Palindrome word(s) in given sentence")