storefront.java

来自「21天学通JAVA2（第三版）（专业参考版）」· Java 代码 · 共 26 行

import java.util.*;

public class Storefront {
    private LinkedList catalog = new LinkedList();

    public void addItem(String id, String name, String price,
        String quant) {

        Item it = new Item(id, name, price, quant);
        catalog.add(it);
    }

    public Item getItem(int i) {
        return (Item)catalog.get(i);
    }

    public int getSize() {
        return catalog.size();
    }

    public void sort() {
        Collections.sort(catalog);
    }
}