2021-04-10

/**
 * 商品物件类
 *  自定义类 Article
 */
public class Article {
    // 名字 单价 库存 已卖数量
    public String name;
    public double price;
    public int amount;
    public int number;

    public void print( int index ) {
        System.out.println(index +"\t" + name + "\t" + price
                            + "\t" + amount + "\t" + number );

    }

    public void setArticle(String mingzi , double danjia , int kucun , int yishou){
        name = mingzi;
        price = danjia;
        amount = kucun;
        number = yishou;
    }