stockdatabase.java

手机程序股票购买售出的例子

import java.util.Vector;

public interface StockDatabase
{
    public void buyStock(String symbol, String shares, int price) throws StockException;

    public void sellStock(Stock stock, int numShares) throws StockException;

    public Vector getStocks() throws StockException;

    public Stock getStock(String stock) throws StockException;
}