Javaを使用して倉庫管理システムの在庫調整機能を実装する方法

public class Commodity {
    private String name;
    private int quantity;

    public Commodity(String name, int quantity) {
        this.name = name;
        this.quantity = quantity;
    }

    public String getName() {
        return name;
    }

    public int getQuantity() {
        return quantity;
    }

    public void setQuantity(int quantity) {
        this.quantity = quantity;
    }
}

import java.util.ArrayList;
import java.util.List;

public class Warehouse {
    private List<Commodity> commodities;

    public Warehouse() {
        commodities = new ArrayList<>();
    }

    public void addCommodity(Commodity commodity) {
        commodities.add(commodity);
    }

    public void adjustQuantity(String name, int quantity) {
        for (Commodity commodity : commodities) {
            if (commodity.getName().equals(name)) {
                commodity.setQuantity(quantity);
                return;
            }
        }
    }

    public void printInventory() {
        for (Commodity commodity : commodities) {
            System.out.println("商品名称：" + commodity.getName() + "，库存数量：" + commodity.getQuantity());
        }
    }
}

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

        // 添加商品到仓库
        Commodity commodity1 = new Commodity("商品A", 100);
        Commodity commodity2 = new Commodity("商品B", 200);
        warehouse.addCommodity(commodity1);
        warehouse.addCommodity(commodity2);

        // 调整商品库存数量
        warehouse.adjustQuantity("商品A", 150);

        // 打印当前仓库的库存情况
        warehouse.printInventory();
    }
}