Help me rectify the error

Question

import java.util.Scanner;
public class ReversingAnInteger
{
public static void main (String args[])
{
Scanner input = new Scanner (System.in);
{
System.out.print("enter a string:");
{
char [] letters = input.nextLine.to CharArray();
{
System.out.println("reverse string:");

{
for (int i = letters.length - 1;i>=0;i--)
{
System.out.print(letters[i]);
{
System.out.print("\n");
}
}
}
}
}
}
}
}

Answer 1

import java.util.Scanner;

public class ReversingAnInteger{
public static void main (String args[]){
Scanner input = new Scanner (System.in);
System.out.print("enter a string:");
char[] letters = input.nextLine().toCharArray();
System.out.println("reverse string:");
for (int i = letters.length - 1;i>=0;i--){
System.out.print(letters[i]);
System.out.print("\n");
}
}
}