How to use array

Question

I'm stuck in third quiz which is reverse a String. I don't understand it.
I don't know how to create the process.

Example
Input : hello
Output : olleh

My code:

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();

System.out.print(arr);

}
}

Answer 1

This an example with array will help you:

https://code.sololearn.com/cFEqcptcF943/?ref=app

Answer 2

Please add-show your attempt so the community can help you more easily :)

Edited:
Now added.

Answer 3

Which language?