package demo1;
import java.util.Scanner;
public class Screen2 
{
	public static void main(String[] args)
	{
		Scanner scanner = new Scanner(System.in);
		System.out.print("Escriba su nombre: ");
		String nom = scanner.next();
		System.out.print("Escriba su edad: ");
		int edad = scanner.nextInt();
		System.out.print("Escriba su altura en m: ");
		double altura = scanner.nextDouble();
		System.out.println("Su nombre es: " + nom);
		System.out.println("Su edad es: " + edad);
		System.out.println("Su altura es de: " + altura + "m");
	}

}

I need some help, i can't understand Why i can´t use it, it said me:`scanner` is never closed.
Thanks

Basic Program I need help

Java