SDP

public class Main { public static void main(String[] args) { WarehouseSystem warehouse = new Warehouse(); AccountingSystem accountingSystem = new AccountingAdapter(warehouse);

    warehouse.addToInventory("Лаптоп", 10);
    accountingSystem.recordItem("Лаптоп", 5, 800.0);

    warehouse.removeFromInventory("Лаптоп", 3);
    accountingSystem.recordItem("Лаптоп", 3, 800.0);
}

}

public interface WarehouseSystem { void addToInventory(String item, int quantity); void removeFromInventory(String item, int quantity); int checkInventory(String item); }

import java.util.HashMap; import java.util.Map; public class Warehouse implements WarehouseSystem { private Map<String, Integer> inventory = new HashMap<>();

@Override
public void addToInventory(String item, int quantity) {
    inventory.put(item, inventory.getOrDefault(item, 0) + quantity);
    System.out.println("Добавлено " + quantity + " " + item + " в инвентарь.");
}

@Override
public void removeFromInventory(String item, int quantity) {
    int currentQuantity = inventory.getOrDefault(item, 0);
    if (currentQuantity >= quantity) {
        inventory.put(item, currentQuantity - quantity);
        System.out.println("Убрано " + quantity + " " + item + " из инвентаря.");
    } else {
        System.out.println("Недостаточное количество " + item + " в инвентаре.");
    }
}

@Override
public int checkInventory(String item) {
    return inventory.getOrDefault(item, 0);
}

}

public class AccountingAdapter implements AccountingSystem { private WarehouseSystem warehouse;

public AccountingAdapter(WarehouseSystem warehouse) {
    this.warehouse = warehouse;
}

@Override
public void recordItem(String item, int quantity, double price) {
    int availableQuantity = warehouse.checkInventory(item);
    if (availableQuantity >= quantity) {
        double totalCost = quantity * price;
        System.out.println("Запись в бухгалтерии: " + item + " x " + quantity + " по цене " + price + " = " + totalCost);
    } else {
        System.out.println("Запись в бухгалтерии: Недостаточное количество " + item + " на складе.");
    }
}

}

public interface AccountingSystem { void recordItem(String item, int quantity, double price); }