01import java.util.Scanner;public class Solution { public static void main(String[] args) { String message = "Let's go!"; System.out.println("3\n2\n1"); System.out.println(message); }} 02import java.util.Scanner;public class Solution { public static void main(String[] args) { String message = "Let's go!\n"; System.out.println("3\n"+ "2\n" + "1"); ..