Check string for palindrome

Question

A palindrome is a word, phrase, number or other sequence of units that can be read the same way in either direction.

To check whether a word is a palindrome I get th

Answer 1

• This implementation works for numbers and strings.
• Since we are not writing anything, so there is no need to convert the string into the character array.

public static boolean isPalindrome(Object obj)
{
    String s = String.valueOf(obj);

    for(int left=0, right=s.length()-1; left < right; left++,right--)
    {
        if(s.charAt(left++) != s.charAt(right--))
            return false;
    }
    return true;
}