Determine if a string is a palindrome?

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Dark Dogfish answered on August 17, 2020 Popularity 8/10 Helpfulness 1/10

answer Determine if a string is a palindrome?

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Determine if a string is a palindrome?

Comment

import java.util.Scanner;

public class PalindromeCheck {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter a string: ");
        String input = scanner.nextLine();

        boolean isPalindrome = true;
        int length = input.length();

        for (int i = 0; i < length / 2; i++) {
            if (input.charAt(i) != input.charAt(length - 1 - i)) {
                isPalindrome = false;
                break;
            }
        }

        if (isPalindrome) {
            System.out.println("The string is a palindrome.");
        } else {
            System.out.println("The string is not a palindrome.");
        }

        scanner.close();
    }
}

Popularity 8/10 Helpfulness 1/10 Language java

Source: chat.openai.com

Tags: java string

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Contributed on Aug 10 2023

Dark Dogfish

0 Answers Avg Quality 2/10

Closely Related Answers

Check palindrome string using loops

Comment

import java.util.Scanner;
 
public class Main 
{
  public static void main(String[] args) 
  {
    System.out.print("Enter any string : ");
    Scanner in = new Scanner(System.in);
    String origString = in.nextLine();
    String reverseString = "";
     
    char[] characters = origString.toCharArray();
 
    for( int i = characters.length - 1 ; i >= 0 ; i-- ) {
      reverseString = reverseString + characters[i];
    }
 
    //Check palindrome string
    if (origString.equals(reverseString)) {
      System.out.println("String is a palindrome.");
    } else {
      System.out.println("String is not a palindrome.");
    }
  }
}

Popularity 9/10 Helpfulness 3/10 Language java

Source: howtodoinjava.com

Tags: java

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Contributed on Jan 05 2023

Anjali Sharma

0 Answers Avg Quality 2/10

palindrome string

Comment

const isPalindrome = (str) => {
    
    const preprocessing_regex = /[^a-zA-Z0-9]/g,
    processed_string = str.toLowerCase().replace(preprocessing_regex , ""),
    integrity_check = processed_string.split("").reverse().join("");
    if(processed_string === integrity_check) return true
    else return false
         
        }

//if you find this answer is useful ,
//upvote ⇑⇑ , so can the others benefit also . @mohammad alshraideh ( ͡~ ͜ʖ ͡°)

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: function functio

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Contributed on Aug 12 2022

Mohammad alshraideh

0 Answers Avg Quality 2/10

check for palindromes

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function palindrome(str) {
  var re = /[\W_]/g;// representing Non-alphanumetic characters
  var lowRegStr = str.toLowerCase().replace(re, '');
  var reverseStr = lowRegStr.split('').reverse().join(''); 
  return reverseStr === lowRegStr;
}
palindrome("A man, a plan, a canal. Panama");

Popularity 10/10 Helpfulness 2/10 Language javascript

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Tags: javascript j

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Contributed on Mar 25 2022

Ernest Adonu

0 Answers Avg Quality 2/10

palindrome string

Comment

int isPlaindrome(string S)
	{
	    // Your code goes here
	    int flag =0;
	    int l=0;
	    int h=S.length()-1;
	    while(h>l){
	        if(S[l++]!=S[h--]){
	         return 0;
	        }
	    }
	    return 1;
	}

Popularity 9/10 Helpfulness 2/10 Language whatever

Source: Grepper

Tags: palindrome p

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Contributed on Aug 21 2022

Surbhi Kumari

0 Answers Avg Quality 2/10

Palindrome String

Comment

Input: S = "abba"Output: 1Explanation: S is a palindrome
int isPalindrome(string S)
	{
	    string st = S;
	    char temp;
	    int i=0, j= st.length()-1;
	    while(j>i)
	    {
	       if(S[i] != S[j])
	       {
	           return 0;
	       }
	       i++;
	       j--;
	    }
	    return 1;
	}

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Source: practice.geeksforgeeks.org

Tags: c++

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Contributed on Jan 08 2022

Depressed Dragonfly

0 Answers Avg Quality 2/10

check if palindrome

Comment

function isPalindrome(str) {
  str = str.toLowerCase();
  return str === str.split("").reverse().join("");
}

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Aug 17 2020

Fylls

0 Answers Avg Quality 2/10

check if string is a palindrome

Comment

<script>
  // function that check str is palindrome or not
  function check_palindrome( str )
  {
    let j = str.length -1;
    for( let i = 0 ; i < j/2 ;i++)
    {
      let x = str[i] ;//forward character
      let y = str[j-i];//backward character
      if( x != y)
      {
        // return false if string not match
        return false;
      }
    }
    /// return true if string is palindrome
    return true;
     
  }
 
  //function that print output is string is palindrome
  function is_palindrome( str )
  {
    // variable that is true if string is palindrome
    let ans = check_palindrome(str);
    //condition checking ans is true or not
    if( ans == true )
    {
      console.log("passed string is palindrome ");
    }
    else
    {
      console.log("passed string not a palindrome");
    }
  }
  // test variable
  let test = "racecar";
  is_palindrome(test);
</script>

Popularity 9/10 Helpfulness 2/10 Language whatever

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Tags: palindrome p

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Contributed on Sep 21 2022

Maliha Jamil

0 Answers Avg Quality 2/10

Checking String Palindrome

Comment

int main()
{
    char str1[20], str2[20];
    int i, j, len = 0, flag = 0;
    cout << "Enter the string : ";
    gets(str1);
    len = strlen(str1) - 1;
    for (i = len, j = 0; i >= 0 ; i--, j++)
        str2[j] = str1[i];
    if (strcmp(str1, str2))
        flag = 1;
    if (flag == 1)
        cout << str1 << " is not a palindrome";
    else
        cout << str1 << " is a palindrome";
    return 0;
}

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Tags: palindrome p

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Contributed on Jul 17 2022

Bewildered Bug

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Checking String Palindrome

Comment

int main()
{
    char str1[20], str2[20];
    int i, j, len = 0, flag = 0;
    cout << "Enter the string : ";
    gets(str1);
    len = strlen(str1) - 1;
    for (i = len, j = 0; i >= 0 ; i--, j++)
        str2[j] = str1[i];
    if (strcmp(str1, str2))
        flag = 1;
    if (flag == 1)
        cout << str1 << " is not a palindrome";
    else
        cout << str1 << " is a palindrome";
    return 0;
}

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: www.sanfoundry.com

Tags: palindrome p

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Contributed on Jul 17 2022

Bewildered Bug

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Valid Palindrome

Comment

class Solution :
   def isPalindrome(self, string: str ) :
       '''
       A function to check if a string is Palindrome or not!
       :param string: string to be checked
       :return: True if it is palindrome else False
       '''
       string = string.lower()
       s_stripped = ''.join(list( filter ( lambda x : x.isalnum () == True , string)))
       return s_stripped == s_stripped[::-1]


if __name__ == '__main__' :
   string = 'Was it a car or a cat I saw!!'
   print (f'Is "{string}" a palindrome? : {Solution ().isPalindrome (string)}')
   string2 = 'A man, a plan,'
   print (f'Is "{string2}" a palindrome? : {Solution ().isPalindrome (string2)}')

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Source: favtutor.com

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Contributed on Jan 24 2022

Itchy Impala

0 Answers Avg Quality 2/10

Determine if a string is a palindrome?

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