stocks.java

模拟股票交易市场设计的股票交易系统。采用软件工程思想设计

/*
 * stocks.java
 *
 * Created on 2003年5月9日, 下午9:47
 */

/**
 *
 * @author  超级用户
 */
import java.io.*;
public class stocks {
    private stock[] s;
    private int num=0;
    private dataBase db=new dataBase();
    /** Creates a new instance of stocks */
    public stocks() {
        num=db.getRecordNum();
        String[] str=new String[num];
        try
        {
            RandomAccessFile rf=new RandomAccessFile("STOCK/RECORD.txt","rw");
            for(int i=1;i<=num;i++)
            {
                rf.seek(i*60);
                str[i]=rf.readUTF();
            }
        }
        catch(Exception e)
        {
        }
        for(int i=0;i<num;i++)
        {
            s[i]=new stock(str[i]);
        }
    }
    public stock getStock(int pos)
    {
        return s[pos];
    }
    public int getNum()
    {
        return num;
    }
}