回文串

package book.chapter6.demo2;

import java.util.Scanner;

//回文串
public class Text8 {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        String s=scanner.nextLine();
        boolean a=isHuiString(s);
        if(a==true){
            System.out.println(s +"is palindrome");
        }else{
            System.out.println(s +" is not palindrome");
        }
    }
    public static boolean isHuiString(String s){
        int l=0;

        int r=s.length()-1;
        while(l<r){
            if(s.charAt(r) != s.charAt(l)){
                return false;
            }
            l++;
            r--;
        }
        return true;
    }
}