this code has an proplem I can't find what's the wrong!!(revers string )

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();
int tall=arr.lenght;
char []rev=new char[tall];
for (int i=0;i=tall-1;i++);
{for (int j=tall-1;j==0;j--);
{rev[i]=arr[j];
}
}
for (int a=0;a=tall-1;a++);{
System.out.print (rev[a]);
}
//your code goes here

}
}

Answer 1

Learn when to use Semicolon (;) in Java.

learn what single equal (=) do and
what double equals (==) do
and when to use both

https://www.sololearn.com/Discuss/3012744/?ref=app

Answer 2

Also, there is a typo in arr.length