www.pudn.com > StockManager.rar > StockDatabase.java

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; 
}