2.19 Warm up: Variables, input, and casting (Java)

import java.util.Scanner;

public class BasicInput {
   public static void main(String[] args) {
      Scanner scnr = new Scanner(System.in);
      int userInt = 0;
      double userDouble = 0.0;
      char userChar;
        String userString = "";

      System.out.println("Enter integer: ");
        userInt = scnr.nextInt();

        System.out.println("Enter double: ");
        userDouble = scnr.nextDouble();

        System.out.println("Enter character: ");
        userChar = scnr.next().charAt(0);

        System.out.println("Enter string: ");
        userString = scnr.next();

        System.out.println(userInt + " " + userDouble + " " + userChar + " " + userString);


      System.out.println(userString + " " + userChar + " " + userDouble  + " " + userInt  );

      System.out.println(userDouble + " cast to an integer is " + (int) userDouble);

      return;
   }
}