$1\mathrm{.}38$ 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 $=0\mathrm{.}0$;

$//$ FIXME Define char and string variables similarly

System.out.println$("$Enter integer: $")$;

userInt $=$ scnr$.$nextInt$()$;

$//$ FIXME $(1)$: Finish reading other items into variables, then output the four values on a single line separated by a space

$//$ FIXME $(2)$: Output the four values in reverse

$//$ FIXME $(3)$: Cast the double to an integer, and output that integer

return;

$\}$

$\}$