portfolio.java

java写的股票交易系统

package trader;
import java.io.Serializable;
import java.util.*;
public class Portfolio implements Serializable{
  private Customer cust;
  private ArrayList shares;

  public Portfolio(Customer cust, ArrayList shares) {
    this.cust = cust;
    this.shares = shares;
  }

  public Portfolio(Customer cust) {
    this.cust = cust;
    this.shares = null;
  }
  
  //accessor methods
  public Customer getCustomer(){
    return cust;
  }

  public Share[] getShares(){
    Share[] s = new Share[shares.size()];
    for (int i=0;i<shares.size();i++){
    	s[i]=(Share)shares.get(i);
    }
    return s;
  }
  
  public String toString() {
    return "Portfolio:  " + cust.getId() + "  " + cust.getName() ;
  }
  
  // other methods
  // public void addShare(Share s){}    -- should not have this 
  // public void removeShare(Share s){} -- should not have this
  // public double getValue() {}  -- should not have this
  // public String toString() {}
  // public boolean equals(Object o) {}
}