Question

Implement a function that returns true if a String is Palindrome or false otherwise. A Palindrome is a String that reads from right and left the same. An empty String, and a String with one character are Palindrome.

public static boolean isPalindrome (String str) {

Answer 1

public static boolean isPalindrome(String str){
    for(int i = 0,j = str.length()-1;i<j;i++,j--){
        if(str.charAt(i)!= str.charAt(j)){
            return false;
        }
    }
    return true;
}