用java面向对象的思想写超市购物，超市的货物包括生活用品和学习用品等，购物者根据货物名能够查找是否有该货物，根据货号能查找该货物的价格，打印购物清单。统计货品销售的数量。

以下是一个简单的 Java 面向对象的超市购物程序：

import java.util.*;

class Goods {
    private String name;
    private String id;
    private double price;
    private int quantity;

    public Goods(String name, String id, double price, int quantity) {
        this.name = name;
        this.id = id;
        this.price = price;
        this.quantity = quantity;
    }

    public String getName() {
        return name;
    }

    public String getId() {
        return id;
    }

    public double getPrice() {
        return price;
    }

    public int getQuantity() {
        return quantity;
    }

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

    public String toString() {
        return String.format("%s (%s) - %.2f", name, id, price);
    }
}

class ShoppingCart {
    private List<Goods> goodsList;

    public ShoppingCart() {
        goodsList = new ArrayList<>();
    }

    public void addGoods(Goods goods) {
        goodsList.add(goods);
    }

    public void removeGoods(Goods goods) {
        goodsList.remove(goods);
    }

    public double getTotalPrice() {
        double totalPrice = 0;
        for (Goods goods : goodsList) {
            totalPrice += goods.getPrice() * goods.getQuantity();
        }
        return totalPrice;
    }

    public void printShoppingList() {
        System.out.println("购物清单：");
        for (Goods goods : goodsList) {
            System.out.printf("%s x %d\n", goods.toString(), goods.getQuantity());
        }
        System.out.printf("总价：%.2f\n", getTotalPrice());
    }

    public void printSalesStatistics() {
        Map<String, Integer> salesMap = new HashMap<>();
        for (Goods goods : goodsList) {
            String name = goods.getName();
            int quantity = goods.getQuantity();
            if (salesMap.containsKey(name)) {
                quantity += salesMap.get(name);
            }
            salesMap.put(name, quantity);
        }
        System.out.println("销售统计：");
        for (Map.Entry<String, Integer> entry : salesMap.entrySet()) {
            System.out.printf("%s x %d\n", entry.getKey(), entry.getValue());
        }
    }
}

public class Supermarket {
    public static void main(String[] args) {
        Goods[] goodsArray = {
            new Goods("牙刷", "001", 2.5, 100),
            new Goods("牙膏", "002", 5.0, 50),
            new Goods("笔记本", "003", 10.0, 20),
            new Goods("铅笔", "004", 0.5, 200),
            new Goods("橡皮", "005", 0.3, 300)
        };

        Map<String, Goods> goodsMap = new HashMap<>();
        for (Goods goods : goodsArray) {
            goodsMap.put(goods.getName(), goods);
        }

        ShoppingCart cart = new ShoppingCart();
        Scanner scanner = new Scanner(System.in);

        while (true) {
            System.out.print("请输入货物名或货号（输入 q 结束）：");
            String input = scanner.nextLine();
            if (input.equals("q")) {
                break;
            }

            Goods goods = null;
            if (goodsMap.containsKey(input)) {
                goods = goodsMap.get(input);
            } else {
                for (Goods g : goodsArray) {
                    if (g.getId().equals(input)) {
                        goods = g;
                        break;
                    }
                }
            }

            if (goods == null) {
                System.out.println("没有找到该货物！");
            } else {
                System.out.printf("货物信息：%s\n", goods.toString());
                System.out.print("请输入购买数量：");
                int quantity = scanner.nextInt();
                scanner.nextLine();
                if (quantity > goods.getQuantity()) {
                    System.out.println("库存不足！");
                } else {
                    goods.setQuantity(goods.getQuantity() - quantity);
                    cart.addGoods(new Goods(goods.getName(), goods.getId(), goods.getPrice(), quantity));
                    System.out.println("添加成功！");
                }
            }
        }

        cart.printShoppingList();
        cart.printSalesStatistics();
    }
}

这个程序使用了两个类：`Goods` 和 `ShoppingCart`。`Goods` 类表示一个货物，包括名称、货号、价格和数量等信息。`ShoppingCart` 类表示一个购物车，包括添加、删除、打印购物清单和统计销售数量等功能。

程序首先定义了一些货物，然后将它们存储在一个 `Map` 中，以便根据名称或货号查找。然后程序进入一个循环，每次循环中用户输入货物名或货号，程序根据输入查找货物，然后让用户输入购买数量。如果库存不足，则添加失败；否则将货物添加到购物车中。最后程序打印购物清单和销售统计。

这个程序只是一个简单的示例，实际的超市购物程序可能会更加复杂，需要考虑库存管理、支付、优惠等问题。