Notes

/**
A class for bank accounts.

This class provides the basic functionality of accounts.
It allows deposits and withdrawals but not overdraft
limits or interest rates.
@author Stuart Reynolds ... 1999
*/

public class Account
{
private double bal; //The current balance
private int accnum; //The account number


public Account(int a)
{
bal=0.0;
accnum=a;
}

public void deposit(double sum)
{
if (sum>0)
bal+=sum;
else
System.err.println("Account.deposit(...): "
+"cannot deposit negative amount.");
}

public void withdraw(double sum)
{
if (sum>0)
bal-=sum;
else
System.err.println("Account.withdraw(...): "
+"cannot withdraw negative amount.");
}

public double getBalance()
{
return bal;
}

public double getAccountNumber()
{
return accnum;
}

public String toString()
{
return "Acc " + accnum + ": " + "balance = " + bal;
}

public final void print()
{
//Don't override this,
//override the toString method
System.out.println( toString() );
}

}