In this program how to solve the Exception & getting an user input?

Question

https://code.sololearn.com/czRNu19v9nUu/?ref=app

Answer 1

import java.util.*;
public class Program
{
public static void main(String[] args) {
String s;
Scanner reader = new Scanner(System.in);
s = reader.nextLine();
System.out.println(s);
}
}

This is how you ask for the input by the user👌👌👌