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CODE EXAMPLE FOR JAVA

String Palindrome in Java

import java.util.*;
import java.lang.*;
import java.io.*;


 class Main {

    static boolean isPalindrome(String s)
    {

       /* Two pointers initialised to 0 and 's.length()-1'.*/
        int i = 0, j = s.length() - 1;

        /* Looping through the string */
        while (i < j) {

            /* Even if one character is not equal, we will return false. */
            if (s.charAt(i) != s.charAt(j))
                return false;
               
            /* Value of pointers is changed */
            i++;
            j--;
        }
       
        /* This means all characters are same and thus string is a palindrome*/
        return true;
    }

    public static void main(String[] args)
    {
        String s = "abba";

        /* First, We'll convert it to lower case. */
        s = s.toLowerCase();
   
        if (isPalindrome(s))
            System.out.print("Yes");
        else
            System.out.print("No");
    }
}
Source by www.codingninjas.com #
 
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Tagged: #String #Palindrome #Java
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