diff --git a/src/Lab6.java b/src/Lab6.java new file mode 100644 index 0000000..bf0a498 --- /dev/null +++ b/src/Lab6.java @@ -0,0 +1,117 @@ +import java.util.ArrayList; +import java.util.Collections; +import java.util.Comparator; +import java.util.List; +import java.util.Scanner; + +class Train { + private List carriages; + + public Train(List carriages) { + this.carriages = carriages; + } + + public int getTotalPassengerCount() { + int totalPassengerCount = 0; + for (PassengerCarriage carriage : carriages) { + totalPassengerCount += carriage.getPassengerCount(); + } + return totalPassengerCount; + } + + public int getTotalLuggageCount() { + int totalLuggageCount = 0; + for (PassengerCarriage carriage : carriages) { + totalLuggageCount += carriage.getLuggageCount(); + } + return totalLuggageCount; + } + + public void sortCarriagesByComfortLevel() { + Collections.sort(carriages, new Comparator() { + @Override + public int compare(PassengerCarriage c1, PassengerCarriage c2) { + return c1.getComfortLevel() - c2.getComfortLevel(); + } + }); + } + + public PassengerCarriage findCarriageByPassengerCount(int minPassengers, int maxPassengers) { + for (PassengerCarriage carriage : carriages) { + int passengerCount = carriage.getPassengerCount(); + if (passengerCount >= minPassengers && passengerCount <= maxPassengers) { + return carriage; + } + } + return null; + } +} + +class PassengerCarriage { + private int passengerCount; + private int luggageCount; + private int comfortLevel; + + public PassengerCarriage(int passengerCount, int luggageCount, int comfortLevel) { + this.passengerCount = passengerCount; + this.luggageCount = luggageCount; + this.comfortLevel = comfortLevel; + } + + public int getPassengerCount() { + return passengerCount; + } + + public int getLuggageCount() { + return luggageCount; + } + + public int getComfortLevel() { + return comfortLevel; + } +} + +public class Lab6 { + public static void main(String[] args) { + // Задаємо характеристики вагонів + List carriages = new ArrayList<>(); + carriages.add(new PassengerCarriage(30, 64, 3)); + carriages.add(new PassengerCarriage(53, 126, 2)); + carriages.add(new PassengerCarriage(89, 164, 1)); + + Train train = new Train(carriages); + + int totalPassengerCount = train.getTotalPassengerCount(); + int totalLuggageCount = train.getTotalLuggageCount(); + + System.out.println("Кількість всіх пасажирів: " + totalPassengerCount); + System.out.println("Кількість всього багажу: " + totalLuggageCount); + + train.sortCarriagesByComfortLevel(); + + System.out.println("Вагони відсортовані за рівнем комфорту:"); + for (PassengerCarriage carriage : carriages) { + System.out.println("Кількість пасажирів: " + carriage.getPassengerCount() + + ", Рівень комфорту: " + carriage.getComfortLevel()); + } + + Scanner scanner = new Scanner(System.in); + + System.out.print("Введіть мінімальну кількість пасажирів: "); + int minPassengers = scanner.nextInt(); + System.out.print("Введіть максимальну кількість пасажирів: "); + int maxPassengers = scanner.nextInt(); + + PassengerCarriage carriage = train.findCarriageByPassengerCount(minPassengers, maxPassengers); + + if (carriage != null) { + System.out.println("Вагон знайдений за кількість пасажирів між " + + minPassengers + " та " + maxPassengers); + System.out.println("Кількість пасажирів: " + carriage.getPassengerCount() + + ", Рівень комфорту: " + carriage.getComfortLevel()); + } else { + System.out.println("Вагон не знайдений за кількістю пасажирів " + + minPassengers + " між " + maxPassengers); + } + } +} \ No newline at end of file