import java.util.Vector;                 // Java container class

public class Account {
  public int ACCOUNT_NO;               // primary key            
  public Investor investor;            // reference to Investor parent: many to 1
  public double CASH = 0;              // public visibility: same as record struct
  public Vector holdings     = new Vector();  // list of all holding children    : 1 to many
  public Vector orders       = new Vector();  // list of all order children      : 1 to many
  public Vector transactions = new Vector();  // list of all transaction children: 1 to many
  private static int base_acct = 1000;        // static var to auto generate account numbers
    
  public Account(Investor investor, double CASH) { 
    this.investor = investor; 
    ACCOUNT_NO = base_acct++;                 // auto generate 
    this.CASH = CASH;
    investor.accounts.addElement(this);       // add itself to the parent's list of children
  }
  public String toString() {
    return (ACCOUNT_NO + " " + investor.FIRST + " " + investor.LAST + " " + CASH);
  }
}