Reverse a string gives error

Question

import java.util.Scanner;

public class Program
{
public static void main(String[] args)
{
Scanner scanner = new Scanner(System.in);
String text = scanner.nextLine();
char arr[] = text.toCharArray();
for (int i = arr.length-1; i>=0; i--)
{
    System.out.print(arr[i]);
}
}
}

Answer 1

Your code contains invalid characters which prevents code from being proccesed. You can see them if you view the code in browser.