View difference between Paste ID: 4YUFEvzK and 4J2xZ3X2

 import java.util.Arrays;
 import java.util.List;
 import java.util.Scanner;
 import java.util.stream.Collectors;
 
 public class TheLift_02 {
     public static void main(String[] args) {
         Scanner scanner = new Scanner(System.in);
 
         int people = Integer.parseInt(scanner.nextLine());
         boolean noMorePeople = false;
 
         List<Integer> lift = Arrays.stream(scanner.nextLine().split("\\s+")).
                 map(Integer::parseInt).collect(Collectors.toList());
 
         for (int cabin = 0; cabin < lift.size(); cabin++) {
             for (int peopleInCabin = lift.get(cabin); peopleInCabin < 4; peopleInCabin++) {
                 people--;
                 if (people < 0) {
                     noMorePeople = true;
                     break;
                 }
                 lift.set(cabin, peopleInCabin + 1);
             }
             if (noMorePeople) {
                 break;
             }
         }
         if (noMorePeople) {
             System.out.println("The lift has empty spots!");
             System.out.print(lift.toString().replaceAll("[\\[\\],]", ""));
         }
         if (!noMorePeople && people > 0) {
             System.out.printf("There isn't enough space! %d people in a queue!\n", people);
             System.out.print(lift.toString().replaceAll("[\\[\\],]", ""));
         }
         if (!noMorePeople && people == 0) {
             System.out.print(lift.toString().replaceAll("[\\[\\],]", ""));
         }
     }
 }